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Estate of 
Dr. Herman Knoche 


California Academy of 


Sciences Library 


By action of the Board of Trustees of the 
Leland Stanford Junior University on June 
14, 1974, this book has been placed 
on deposit with the 
California Academy of Sciences Library. 


, 
an 
é 


em, 
aye oe JOURNAL 


e a 


OF 


THE PROCEEDINGS 


OF 


THE LINNEAN SOCIETY. 


SUPPLEMENT TO VOL. V.—BOTANY. 


FLORULA ADENENSIS. 


A SYSTEMATIC ACCOUNT, WITH DESCRIPTIONS, OF 


THE FLOWERING PLANTS HITHERTO FOUND AT 
ADEN. 


By THOMAS ANDERSON, Esq., M.D., F.L.S., 
onal Medical Service. 


LONDON: 
LONGMAN, GREEN, LONGMANS AND ROBERTS, 


AND 
WILLIAMS AND NORGATE, 
1860. , 


y} 


(one a7 


PRINTED BY TAYLOR AND FRANCIS, 


RED LION COURT, FLEET STREET, 


SUPPLEMENT 


TO THE 


JOURNAL OF THE PROCEEDINGS 


OF THE 


LINNEAN SOCIETY OF LONDON. 


Florula Adenensis. A systematic Account, with Descriptions, of 
the Flowering Plants hitherto found at Aden. By Tuomas 
ANDERSON, Esq., M.D., F.L.S., H.M.’s Bengal Medical Service: 


[Read November 1, 1860. ] 


Mucu attention has of late years been directed to the military 
station of Aden, owing to its rapidly increasing importance, both 
in a political and commercial point of view; and now that it is 
visited weekly by the large steamers in their course to India, 
China, and Australia, its name has become as familiar as that of 
any of our Eastern settlements. From its commanding position 
at the entrance to the Red Sea, and from its forming an indis- 
pensable link in the chain of communication with our Eastern 
Empire, the importance of the settlement will increase with the 
development of our Indian possessions. 

Besides the interest attaching to Aden as an isolated stronghold 
of Britain, and as the probable starting-point whence European 
civilization will spread over the rich territory of Arabia Felix, its 
physical peculiarities have always attracted considerable attention ; 
and the anomalous appearance of its rugged, barren pinnacles of 
rock leaves an indelible impression on the memory of its nume- 
rous visitors, while a closer examination of its narrow valleys, and 
of the steep cliffs that almost encircle them, discloses a strange, 
though scanty, assemblage of plants and insects. Indeed, so 

LINN. PROC.—BOTANY, VOL, V. SUPPLEMENT. a 


iv FLORULA ADENENSIS. 


striking is its flora, that the Arabs, the original possessors of 
Aden, ages ago appropriated to the rock the Arabic name of its 
most peculiar and beautiful flower*. 

Since Salt, who visited Aden in 1809, and probably collected a 
few plants there, several botanists, on their way to more productive 
regions, have spent a few hours in exploring its more accessible 
gorges during the detention of the steamer for a supply of coals. 
In 1846 M. P. Edgeworth, Esq., of the Bengal Civil Service, a 
gentleman well known by his valuable memoirs on Indian Botany 
and his long-continued labours in the cause of that science in 
India, collected 42 species within a very circumscribed area; the 
result of which limited botanical excursion was communicated to 
the Asiatic Society of Bengal in 1847. The insurmountable 
difficulties attending the identification of such obscure species as 
those composing the Aden flora, without having access to exten- 
sive libraries and herbaria, are shown by the alterations I have 
made in many of the specific names proposed by Mr. Edgeworth ; 
while at the same time his valuable suggestions and accurate de- 
scriptions prove his extensive knowledge of genera and species. 
Fortunately for our knowledge of the flora, Dr. J. D. Hooker, on 
his route to India in 1847, remained two days at Aden, and made 
a most extensive and nearly complete collection of its plants. 

On his return to England in 1851, with the assistance of Dr. T. 
Thomson, his fellow-traveller, he largely increased the number of 
specimens of his previous collection, and also added some species 
to the list. Lieut.-Colonel Madden and Sir Robert Schomburgk 
have also contributed a few species from Aden among their general 
collections sent to Sir W. Hooker. While detained at Aden on 
my return from India in May 1859, I was enabled to make two 
short excursions nearly to the centre of the peninsula, and, consi- 
dering the limited character of the flora, 1 secured an extensive 
set of specimens of nearly all its species. I was so fortunate as 
to find most in a good state for identification; the result of a 
copious fall of rain which had occurred about three weeks before 
my visit, and which had brought most of the plants into flower, 
and imparted a slight tint of green to many of the least sterile 


* “ Aden” is the Arabic name of that beautiful and remarkable shrub the 
Adeniwm obesum (Nerium obesum, Forsk.). The European residents consider 
the species as quite peculiar to Aden ; but this is an error, as it is found on some 
of the rocky promontories along the coast of the Red Sea. The name Adenium, 
adopted by Roemer and Schultz for this and another species (4. Hongel), is 
merely the Arabic name Latinized. 


FLORULA ADENENSIS. Vv 


valleys. From these materials the present Florula has been 
compiled. 

Most of the plants have required a careful comparison with a 
large suite of specimens from various localities, and the consulta- 
tion of a formidable array of works on Indian and Arabian botany, 
in order to determine their synonymy and geographical distri- 
bution. | 

These labours have been greatly lightened by daily reference to 
Sir William Hooker’s unrivalled herbarium and rich library; of 
both of which I have been permitted to make unrestricted use. 
Without repeated examinations of the East Indian Herbarium, 
and of the Arabian, Abyssinian, and Egyptian collections of Sieber, 
Delile, Aucher-Eloy, Schimper, and other travellers, in all of 
which the Kew Herbarium is peculiarly rich, the work could not 
have been accomplished. To Dr. Hooker I am indebted for hourly 
advice and assistance ; while his entire Aden collections have been 
placed at my disposal for examination and description. "Without 
this privilege the Florula could not have been commenced, as his 
collections considerably exceeded my own in number of species, 
and they thus form the basis of the Flora. To G. Bentham, Esq. 
I have to acknowledge my obligations for assistance in the deter- 
mination of several specimens of Leguminose, Scrophularinee, and 
Lavandula; as well as for the free use of his Herbarium. 

Before proceeding to the purely descriptive matter, it appears 
desirable to notice, 1st, the physical aspect and climate of Aden; 
2nd, a few of the peculiarities of its flora; 3rd, some facts in the 
geographical distribution of the species; and finally, to institute a 
comparison between its flora and those of one or two similarly 
situated localities. 

1. Aden isa small rocky peninsula, in many features resembling 
our other stronghold, Gibraltar ; and is situated on the southern 
coast of Arabia, in 12° 47’ N. lat., and 45° 10’ E. long. The 
maritime region called Tehama, of which it is a promontory, is a 
sandy, barren tract from 20 to 100 miles in breadth, extending along 
the shore of the Red Sea, from a point a little east of Aden to the 
Gulf of Akaba. A mountainous region of 4~7000 feet in eleva- 
tion rises immediately beyond ; this, from its height, attracts a con- 
siderable portion of the moisture borne from the Indian Ocean by 
the north-west monsoon, and thus, enjoying a climate favourable 
to the growth of luxuriant cereals and fruits, it has for ages been 
called the Happy Arabia. It forms a striking contrast to the 
sterile Tehama, in the southern portion of which rain but rarely 

a 2 


vi FLORULA ADENENSIS. 


falls, while towards its northern extremity it is quite unknown. 
The few streams that enter from the mountains of Arabia Felix 
are speedily lost in its arid sands ; cultivation is therefore confined 
to the vicinity of the few towns and villages, and is dependent on 
a precarious supply of water from wells. The area of the Aden 
peninsula is about fifteen miles, its greatest breadth being five 
miles and its least three. It is connected with the Arabian coast 
by a narrow sandy isthmus, covered at high spring-tides; but 
formerly it was probably an island, since the whole district is of 
recent origin, being evidently a raised sea-beach; as is shown by 
the remains, twenty-three miles inland, of the ancient seaport of 
Mooza, formerly frequented by the Pheenicians. The peninsula is 
entirely composed of volcanic rocks of apparently great age, forming 
numerous precipitous peaks and narrow ridges, which on the 
southern and eastern sides rise from the sea in accessible cliffs, 
attaining their greatest elevation, 1775 feet, in the peak “ Jibeel 
Shumshum.”’ On the eastern side and towards the isthmus is a 
considerable depression, the crater of the volcano, surrounded on 
nearly all sides by high walls of rock and cinder. From the ser- 
rated ridge Jibeel Shumshum, numerous narrow valleys, shut m by 
precipices, radiate on all sides towards the sea, in which some end 
abruptly, while on the northern side others widen out into the 
limited sea-beach. 

The only patches of vegetation occur at the base of these gorges, 
just above the sea-line; and the loose and tolerably fertile soil 
accumulated there consists of scoriz mixed with sand and the de- 
tritus washed from the rocks above by the violent torrents which 
rush down every ravine after the rare but heavy falls of rain. 
Along the cliffs utter sterility reigns, except where a ledge of rock 
or a mass of cinder has allowed the accumulation of sufficient earth 
to afford sustenance to a few straggling bushes of Capparis galeata 
or Adeniwn obesum. 

In so low a latitude Misia shines with intense force nearly 
throughout the year, and at Aden the solar power is increased by 
every peculiarity of physical conformation and climate. The un- 
disturbed atmosphere stagnates in the walled-in valleys, where a 
death-like stillness always reigns. The black and naked rocks 
absorb by day the scorching rays transmitted through an ever- 
cloudless sky, only to radiate the pent-up heat by night, thus con- 
fining to the shore the cool but feeble breezes that occasionally 
spring up from the Indian Ocean. Accordingly, even in Decem- 
ber, when the sun’s power.is at its lowest, Dr. Hooker found the 


FLORULA ADENENSIS. Vil 


temperature of the soil at 107° Fahr. a few feet below the sur- 
face. In the hotter seasons of the year, the sun, even in the early 
morning, is overpowering, and above the rocks the air flickers 
from the intense heat ; while all distant objects are distorted by an 
imperfect mirage. Almost perpetual drought is, of necessity, the 
concomitant of such a climate as I have described, and accordingly 
the annual rain-fall at Aden never exceeds 6 or 7 inches; this 
scanty amount being spread over the period between October and 
the end of April; while occasionally none falls for a year and a 

half. Still Aden is not considered unhealthy, even to Europeans, 
- who seem to become soon accustomed to the heat; and so great is 
our power of adaptation to circumstances, that after a residence 
of a year or two the climate is spoken of as cool and pleasant from 
October to the end of March, and as bearable during the remain- 
der of the year. 

2. The vegetation of Aden closely resembles that of Arabia 
Petrea, of which it is evidently the southern extension. It is 
eminently of a desert character; the species being few in number 
(only 94), and being quite disproportioned to the number of 
genera and Natural Orders; even when the flora is compared 
with those of localities having similar areas, and similar rela- 
tions to the mainland. Most of the species are limited in the 
number of individuals, a few only of the more arid forms pre- 
dominating. Dipterygiwm glaucwm, six or seven species of Cap- 
paridacee, Reseda amblyocarpa, Cassia pubescens ‘and obovata, 
Acacia eburnea and a few Euphorhiacee are the only common 
plants; and some of these are so plentiful, that in many places 
they abound to the exclusion of all other plants. The other 
species are either very local, or sparingly scattered over the 
peninsula. 

. All the species are more or less peculiar in their habit, and 
some are so strange in their appearance as to constitute the ano- 
malies of the Natural Orders to which they belong. As examples 
may be enumerated :—Spherocoma Hookert among Caryophyllacee, 
Adenium obesum, with its almost globular fleshy trunk, naked 
branchlets bearing a tuft of leaves and an umbel of beautiful 
flowers, Moringa aptera, in which the leaves are reduced to long 
subrigid raches, the prickly Jatropha spinosa, and, strangest of all, 
the Hluropus Arabicus, a grass with short spiny leaves, so sharp, 
that it was with the greatest difficulty I could procure specimens 
of it. The bright-green colour, which forms so pleasing a feature 
of the vegetation of the temperate and moist tropical regions of 


Vill FLORULA ADENENSIS. 


the globe, is quite unknown at Aden. Here foliage is reduced to 
a minimum, and the superfluous moisture given off by leaves in less 
arid climates is stored up in fleshy stems against seasons of long- 
continued drought. ‘With the exception of some Capparidacee 
and Reseda amblyocarpa, all the plants have either glaucous 
whitened stems and leaves, or are completely covered with a hoary 
pubescence. 

Aridity, while reducing the amount of cellular tissue, has also 
favoured the production of spines; and though in many cases 
the development has not attained actual spinosity, still in rigid 
or distorted branches and asperities of stem and leaf bears witness 
to the modifying influence of the climate. Of the ninety-four 
species that constitute the flora, sixteen bear sharp thorns on some 
part of their structure. In some the leaves terminate in sharp, 
recurved hooks; in others the stipules are spinous; in a few the. 
bracts are prickly, and in Lycitwm europeum and Huphorbia cuneata, 
the short stiff branches are terminated by short thorns. Several 
species yield gums or resinous matter, and their stems frequently 
become encrusted by these exudations, probably caused by the 
bark cracking from exposure to the great heat of the sun. Ihave 
observed resinous substances accumulated in various quantities on 
Balsamodendron opabolsamum, Acacia Edgeworthit, Adenium obesum, 
and the shrubby Huphorbie. All the Capparidacee (with the 
exception of Merua Thomson), Dipterygium glaucum, Reseda am- 
blyocarpa, the Composite, and a few others, are characterized by 
more or less pungency or aromatic odour,—qualities always pos- 
sessed by plants of desert regions. 

The small proportion of species to the number of genera and 
Natural Orders will be perceived by an examination of the accom- 
panying Table :— 


Genera. Species. Genera. Species. 
Cruciferze .i..005. 3 3 Moringeze .......... 1 1 
Capparidaceez...... 4 9 Leguminose ........ 8., ,4i 
Resedacese ......0. 1 1 Cucurbitaceze ........ 2 2 
Polygalacee ...... ] ] Portulacaces.... .... + 2 2 
Caryophyllacee.... 2 2 Umbellifere .. 2.20.5. 1 1 
Malvacere ........ 2 3 Rubiacere .......... ] ] 
Sterculiacezee ...... ] 1 Composite .......... 5 5 
Tilaceee vege a ss oe 2 2 APOCVMEH Tice fees 1 1 
Geraniacee........ 1 1 Asclepiadaceze ...... 2 2 
Zygophyllacee .... 2 2 Convolvulaceee ...... 2 3 
Rhamnacee ...... 1 1 Boraginese ...0 0.0 1 1 
Terebinthacee ..., 1 1 Solanaceswe .......... ] 1 


FLORULA ADENENSIS. 1x 


Genera. Species. Genera. Species. 
Scrophularinee.... 4 4 Paronychiacee ...... 1 1 
Acanthacee ...... 1 1 Nyctaginese ..5. 5.5. a. = 
Wesbenseex ...... 1 1 Euphorbiacee ...... 3 Z 
OS eee 1 1 Eirtseatere acta ose avis ] 1 
Plumbaginee...... 1 1 GUEPACCRS i exces os 1 1 
Salvadoracee...... 1 1 Amaryllideew ........ 1 1 
Phytolaccaceer .... 1 ] Cyperacer 22.6800 %. 1 1 
Salsolaceze ...... 1 ] Grammmes) avie vs sive 9 9 
- Amarantacez ...... 2 2 


Total number of natural orders, 41; of genera, 79; of species, 94. 


This aggregation, within so considerable an area, of almost soli- 
tary representatives of genera, is probably a feature peculiar to 
isolated desert localities. It first attracted my attention during 
my visit to Aden in 1859, and I have since drawn up tables of the 
species, genera, and natural orders of the Floras of Hong-Kong, 
Ischia, and Gibraltar; the results of which confirm my first im- 
pression. Hong-Kong and Ischia are nearly equal to Aden in 
area, and, though differing from it in being detached from the 
mainland, the sea has proved a less insurmountable barrier to the 
introduction of species from the neighbouring countries than the 
unpropitious climate of Aden, and the inaccessible walls of rock 
by which it is cut off from the rest of Arabia. Gibraltar, though 
of smaller extent than Aden, yet possesses so many features in 
common with it, as fully to justify a comparison of their floras. 
I am indebted to Mr. Bentham for the materials from which the 
Table of the Hong-Kong species is deduced. That of the flora of 
Ischia is taken from Gussone’s elaborate Florula of that island*, 
all the cultivated and doubtful species and genera having been 
carefully rejected. Kelaart’s ‘Flora Calpensis’ is the authority 
for the list of species of Gibraltar. 


Table showing the proportion of Natural Orders, Genera, and Species 
in the Floras of Aden, Hong-Kong, Ischia, and Gibraltar. 


Natural Orders. Genera. Species. 
EE cs cicia davies 1 1:92 2°29 
Hong-Kong ...... 1 4°59 7°90 
Weehin ! eT. A. i 4°32 9°23 
Gibraitar eee. 1 3°50 6°70 


The actual paucity of species in the vegetation of Aden, though 
indicated by this Table, will be more distinctly seen by a reference 
to the numbers from which the proportions were obtained. 

* ‘Wnumeratio Plantarum Vascularum Inarimensium,.’ 


x FLORULA ADENENSSI. 


Natural Orders. Genera. Species. 
DOCH. 4.40, Gee 41 79 94: 
Hong-Kong ...... 122 _ 560. 965 
MACNIG S lind ose ene 86 372 794: 
Gibraltar ......... 68 243 — 456 


These tables show that the great preponderance of natural 
orders and genera, relatively to the number of species, is not ne- 
cessarily a distinguishing mark of the vegetation of similar local- 
ities; since it is not the result of situation or isolation, but is 
entirely due to climatic causes. In regions favourable to vegeta- 
tion, as in Hong-Kong, Ischia, and Gibraltar, the balance is pre- 
served by a constant struggle for existence going on between the 
species. At Aden, however, no such struggle takes place; but 
all the species have to strive against conditions tending to the 
entire extinction of vegetable life. Viewed in this light, the Flora 
appears a collection of desert species, selected from widely dif- 
ferent natural orders and genera, and all alike contending with the 
excessive heat and drought. 

Before noticing some facts in the geographical distribution of 

the species, I have only to advert to the unequal proportion borne 
by monocotyledonous to dicotyledonous plants. But eleven out 
of the ninety-four species are monocotyledons, of which nine are 
erasses. Of the remaining two, one is an exceedingly rare plant 
at Aden (Pancratiwm tortuosum), of which I found a solitary clump. 
The entire absence of Palms and Polygonacee seems also worthy of 
record. In so drya climate Ferns and other Cryptogamia, with the 
exception of Lichens, are quite unknown. 
_ 8. The geographical distribution of even so small a number of 
species possesses several points of interest, particularly when re- 
garded with reference to the extension of the Arabic Flora over 
the arid regions of the earth. Of the ninety-four species com- 
posing the Florula, fourteen, or a little less than a sixth, are en- 
demic, and one constitutes a new genus, confined to Aden. They 
are as follows :— 


Cleome paradoxa, R. Br. Acacia Edgeworthii, T. Anders. 
pruinosa, T. Anders. Ptychotis Arabica, T. Anders. 
Merua Thomsoni, T. Anders. Convolvulussericophyllus, T. Anders. 
Spherocoma Hookeri, T. Anders. Anarrhinum pedicellatum, T. Anders. 
Hibiscus Weishi, T. Anders. Campylanthus junceus, Edgew. 
Sterculia Arabica, T’.. Anders. Lavandula setifera, T. Anders. 

Tavernieria glauca, Edgew, Euphorbia systyla, Edgew. 


The remaining eighty species have an extensive geographical 


FLORULA ADENENSIS. xi 


jistribution, fourteen occurring over all the barren parts of the 
zlobe. The following Table shows how they spread east and west 
from Arabia as their centre :— 


Table of Distribution of Aden Plants. . 


Species. Species. 
Arabia ...... ete 68 North-west India ... 21 
etde oo. .is.ssasecde Ae POPE, anes Vixccncceus. ee 
RIN: ha rhe wens wan tae 29 ONE nw 2s bis acai) 
ADYHEMIA .2/2........ 20 Mediterranean ...... 18 


The desert flora, of which these species form a part, attains its 
greatest breadth in the African desert, about 5° east longitude, 
where it covers the territory between the 10th and 37th degrees 
of north latitude. In Asia, though prolonged into Scinde and the 
western portion of the Punjab, it is diminished in breadth to 
7° or 8° of latitude; its southern limit being 23° north latitude in 
Scinde, and 30° or 31° north latitude in Affghanistan and the Pun- 
jab. The limits of this vegetation may be defined as follows :— 
Starting from its head-quarters, the rainless region of Arabia, the 
flora extends over the peninsula of Arabia, with the exception of 
the south-western mountainous district, and along the shores of 
the Persian Gulf, whence it spreads into Southern Persia. It in- 
cludes the whole of Beloochistan, South Affghanistan, Scinde, and 
a part of the Punjab. West from Arabia Petrea the flora passes 
into Egypt and Nubia, and partially into Abyssinia, and extends 
over the African desert to Senegal; finding its western limit in 
the Cape de Verd Islands. Even there it retains many of its most 
desert types, as is shown by the flora of these islands containing 
twenty-nine genera common also to Aden and other parts of 
Arabia, and eleven species absolutely identical: a resemblance the 
more remarkable from the small number of species composing the 
Cape de Verd Flora. Webb, in the ‘ Spicilegia Gorgonica,’ enu- 
merates only 235 species of flowering plants, of which the follow- 
ing genera are represented at Aden. Those plants of which the 
specific name is given are identical in both floras. 


Polygala triflora, Linn. Indigofera. 

Mollugo. Rhynchosia. 

Abutilon. Cassia. 

Corchorus Antichorus, Roem. Acacia. 

Grewia. Citrullus colocynthis, Schrad. 
Fagonia cretica, Linn. Oldenlandia. 

Zygophyllum simplex, Linn. Vernonia. 


Zizyphus. Heliotropium. 


xii FLORULA ADENENSIS. 


Campylanthus. Cyperus. 

Lavandula. Tricholena Teneriffze, Parlat. 
Statice. Panicum viride, Linn. 

Erua Javanica. Pennisetum cenchroides, Rich. 
Boerhaavia scandens, Linn. Aristida Adscensionis, Linn. 
Euphorbia. Eragrostis ciliaris, Link. 
Forskohlea. 


[Read 21st June 1860.] 


CONSPECTUS GENERUM FLORULA ADENENSIS. 
Classis I. DICOTYLEDONES. 
Subclassis I. Thalamiflore. 
Ordo I. CRUCIFERA. 


Tribus Il. AnyssinEmx. Stlicula bivalvis, septo lato. 


1. Farsetia, Zurra. Calyx clausus. Stamina tetradynama ; 
filamentis edentulis. Svlzewla lineari-oblonga; valvis planis ; 
septo venoso uninervio. Sema plura, marginata. 


Tribus II. Isariprem. Silicula indehiscens. 


2. Dipreryaium, Decaisne. Corolle petala integra. Stamina 
tetradynama ; filamentis edentulis. Szlicula latere compressa, 
crustacea, dorso utrinque alata, unilocularis, monosperma. 


Tribus III. Brasstcrm. Stliqua septo lineari. 


3. Dretoraxts, DC. Calyx patens. Stamina tetradynama. 
Siliqua elongato-linearis, compressa; valvis uninerviis, mem- 
branaceis. Stylus conicus, brevissimus. Semina ovata, biseriata. 


Ordo IT. CAPPARIDACE. 


Tribus I. Crzomex. Fructus capsularis. 

1. Crnomn, Linn. Stamina 4-6, toro subgloboso inserta. 
Stylus brevissimus. Capsula siliqueeformis, unilocularis, bi- 
valvis ; valvis deciduis, a septo seminifero solutis. 

Tribus IT. Caprarnaz. Fructus baccatus. 


2. CavaBa, Forsk. Sepala 4, biseriatim valvata. Corolle petala 


4. 


— 


FLORULA ADENENSIS. xi 


4 vel nulla. Stamina 4-5, apici tori stipiformis inserta. Ap- 
pendix tubulosa, lingueformis, a basi tori exserens. Ovariwm 
longe stipitatum. Bacca siliqueformis, subtorulosa. 


Capparis, Linn. Sepala 4, in estivatione imbricata.  Co- 
rolle petala 4. Stamina indefinita, toro parvo hemispherico 
inserta. Ovariwm stipitatum. Bacca globosa. Semina plu- 
rima, in pulpa immersa. 


Marva, Forsk. Calyx infundibuliformis ; tubo persistente, 
limbi lobis xstivatione valvatis, deciduis. Corolla nulla. 
Stamina plurima. Bacca siliqueformis, valde torulosa. 


Ordo III. RESEDACEZ. 


. Resepa, Linn. Calyx 6-partitus. Petala 5. Stamima 10-380. 


Carpidia 3. Capsula obovata, apice hians. 7 


Ordo IV. POLYGALACE. 


. Potyeata, Linn. Sepala 5, duo lateralia (alis) latiora, peta- 


loidea. Corolla irregularis, petala inferiore carinata. Sta- 
mina 8, monadelpha. Capsula membranacea, obovata, com- 
pressa, monosperma. 


Ordo V. CARYOPHYLLACEA. 


. Motiue0o, Linn. Calyx 5-partitus. Petala nulla. Sta- 


mina 5. Stigmata 3, linearia. Capsula trilocularis, obtuse 
trigona, loculicide trivalvis. Semina plurima. 


. SpHz#RocoMA, ZT. Anders. Calyx 5-partitus, persistens. 


Petala 5, subhypogyna. Stamina 5. Ovariwm uniloculare, 
biovulatum. Stylus solitarius; stigmate bifido. Utriculus 
chartaceus, abortu monospermus. 


Ordo VI. MALVACEA. 
Tribus I. Hrpiscem. Calyx involucello cinctus. 


Hrsiscus, Linn. Involucellum 5-10-phyllum. Calyx 5- 
fidus. Petala 5, in estivatione convoluta. TZubus stamineus 
columneformis. Ovariwm sessile, 5-loculare. Semina lanata 
vel sericea. 


xiv 


FLORULA ADENENSIS. 


— Tribus II. Sipzm. Calyx involucello nullo, nudus. 


2. AnuTiton, Gartn. Involucellum nullum. Ovariwm 8-10- 


loctilare. Cocca trisperma. 


Ordo VII. STERCULIACEA. 


1. Srercunta, Linn. Flores unisexuales. Calyx coloratus, cam- 


panulatus. Corolla nulla. Tubus stamineus solidus, apice 
10-lobatus. Ovariwm stipitatum, carpellis 5. ollicula 4. 
Semina pauca. 


Ordo VIIL. TILIACEA. 


. Corcuorvs, Linn. Sepala 4, decidua. Petala 4, unguicu- 


lata. Stamina 8-10. Capsula quadrilocularis, quadrivalvis, 
polysperma. 


. Grewia, Linn. Calyx pentaphyllus. Corolle petala 5, basi 


intus glandula vel foveola nectarifera instructa. Stamina 
plurima, apici stipitis brevis inserta. Ovariwm quadriloculare. 
Drupa quadriloba, tetrapyrena. 


~ 


Ordo IX. GERANIACEA. 


. Eropium, L’Hér. Calyx 5-partitus. Petala 5, caduca. 


Stamina 10, monadelpha, biseriata; 5 fertilia, 5 ananthera 
vel obsoleta, basi glandulis instructa. Styli 5, gynophoro 
longitudinaliter adnati. Carpella 5, abortu monosperma ; 
stylis a gynophoro elastice et spiraliter solutis. 


Ordo X. ZYGOPHYLLACE. 


. Fagonia, Tourn. Calyx 5-partitus, deciduus. Petala 5, 


ealyce longiora. Stamina 5, equalia. Capsula pyramidalis, 
pentagona, pentacocca. 


. Zyeoruyiium, Linn. Calyx 5-partitus, deciduus. Petala 


5, emarginata,calyce paulo longiora. Stamina 10, corolla brevi- 
ora; filamentis subulatis, flexuosis ; antheris ovatis. Oapsula 
ovata, pentagona, 5-locularis. 


Subclassis IT. Calyciflore. 
Ordo XI. RHAMNACEZ, 


. Zizyeuvs, Zourn. Calyx patens, 5-fidus. Petala 5, calycis 


FLORULA ADENENSIS. XV 


fauci inserta. Discus planus. Stamina 5, petalis opposita. 
Ovarium biloculare, in disco immersum. Ovula solitaria, erecta. 
Styli 2. Fructus carnosus. Semina erecta, compressa. 


Ordo XII. TEREBINTHACEZ. 


1. BausaMoDENDEON, Kunth. Flores polygami. Calyx 4-den- 
tatus, persistens. Petala 4, sub toro inserta, estivatione 
valyatim induplicata. Stamina 8, cum petalis inserta. Ova- 
rium Diloculare. Ovula in loculis gemina. Drupa abortu 
sepissime unilocularis, monosperma. 


Ordo XITI. MORINGEZ. 


1. Mortnea, Juss. Calyx 5-partitus. Petala 5, duo longiora, 
estivatione imbricata. Stamina 8-10, disco cupuliformi in- 

_ serta; filamentis basi liberis, supra medium connatis, apice 
distinctis. Ovariwm uniloculare; placentis parietalibus 3. 
Fructus \eguminiformis, rostratus, torulosus, trivalvatus ; 
valyis dissepimenta transversa gerentibus. Semina uniseriata, 
trigona. 


Ordo XIV. LEGUMINOSZ. 
Subordo PaPILionacEz. 
Tribus 1. Lorex. 
t+ Subtribus Genistee. 

1. AreYROLOBIUM, Eck et Zey. Calyx bilabiatus; labio su- 
periore bi-, inferiore tridentato. Vezillwm semiorbiculatum ; 
ale oblonge ; carina obtusa. Stamina monadelpha. Legumen 
lmeari-ensiforme, subcompressum, utrinque acutum, stylo 
apiculatum, 6-10-spermum. lores flavi. 

tt Subtribus Indigofere. 


2. InpicorERa, Linn. Calyx urceolato-campanulatus, 5-fidus. 
Vexillum subrotundatum, reflexum; ale oblong, carinam 
eequantes ; carina obtusa, gibba, basi utrinque calcarata. Sta- 
mina diadelpha. Legumen teretiusculum, oblongum, faleatum, 
2-5-spermum. lores coccinei. 


ttt Subtribus Galegee. 


3. Pogonostiema, Boiss. Calyx ebracteolatus, subequaliter 5- 


xvl 


FLORULA ADENENSIS. 


dentatus. Vexillum suborbiculatum, carinam alasque supe- 
rans; ale basi cum carina connexe; carina acuta, incurva. 
Stylus incurvus ; stigmate capitato, longe barbato. Ovariwm 
biovulatum. Legwmen ovatum, compressum, monospermum. 
Flores purpurei. 

TrepHrosia, Pers. Calyx ebracteolatus, subcampanulatus, 
5-fidus, laciniis superioribus profundius fissis. Vewillum 
suborbiculatum, carinam et alas paulo superans. Stamina 
10, monadelpha. Stigma pubescens. Legwmen lineare, com- 
pressum, rectum. Semina 5-12, compressa. 


Tribus II. Vicrez. 
Subtribus Hedysaree. 


TavERNIERA, DC. Calyx bibracieolatus. Vexillum sub- 
ovatum ; ale calyce breviores ; carina obtusa, vexillum equans. 
Stamina 10, diadelpha. Stylus longus, flexuosus, filiformis. 
Legunen biarticulatum ; articulis compe monospermis. 
Flores rose. 


Tribus III. PHastores. 


Subtribus Rhynchosiee. 


6. Ruynconosia, Lowr. Calyx bilabiatus ; labio superiore bifido, 


inferiore trifido. Vewillwm obovatum, alas liberas superans ; 
carina falcata, rostrata. Stamina 10, diadelpha. Legumen 
membranaceum, compressum, falcatum, dispermum. Semina 
levia, notata. Flores flavi. 


Subordo CHSALPINEA. 


Tribus CASSIEm, 


7. Cassta, Linn. Calyx pentaphyllus, deciduus. Petala 5, 


unguiculata, inequalia. Stamina 10, inequalia; filamentis 
liberis. Legwmen compressum ; septis transversis. Semina 
compressa, verticalia. 


Subordo Mimose2. 


Tribus ACACIES. 


8. Acacia, Neck. Flores polygami, hermaphroditi et masculi. 


FLORULA ADENENSIS. xvii 


Corolla tubulosa aut campanulata, limbo 5-fido. Stamina 
numerosa, exserta; filamentis liberis. Legwmen crassum, 
pulpa farctum, aut coriaceum, membranaceum, indehiscens vel 
vix dehiscens. 


Ordo XV. CUCURBITACEA. 


. Cucumis, Linn. Flores monoici. Maso. Calyx campanu- 
latus, 5-dentatus. Stamina 5, triadelpha, calyci inserta ; 
antherarum loculis linearibus, infra apicem connectivi cras- 
siusculi simplicis adnatis. Frm. Oalycis tubus subglobosus ; 
limbo 5-dentato. Pepo carnosus, sulcatus, verrucosus. 


. Crrrutius, Neck. Flores monoici. Maso. Calyx pro- 
funde 5-fidus. Stamina 5, triadelpha, ime corolle inserta ; 
antheris unilocularibus, loculo lineari, connectivi marginem 
dorsalem gyrose adnato. Frm. Calycis tubus globosus ; 
limbo profunde 5-fido. Pepo globosus, levis, carne solida. 


Ordo XVI. PORTULACE. 


. TrrantuEeMa, Linn. Calyx bracteolatus; tubo cum ovario 
connato; limbo 5-partito, intus colorato. Corolle nulla. 
Stamina 5. Ovariwm uniloculare. Stigma abortu unicum, 
excentricum. Capsula subcylindrica, apice truncata, disperma, 
parte superiore circumscisse dissiliente. Semina subreni- 
formia, rugosa. 


. Oryeta, Forsk. Calyx 5-partitus, persistens. -Petala plu- 
rima, ovali-oblonga, integerrima, tenerrima, calyce breviora. 
Stamina plurima, calyci inserta, partim coherentia. Ovariwm 
liberum, 5-loculare. Stigmata 5. Capsula chartacea, quinque- 
valyis. Semina plurima, reniformia, atra. 


Ordo XVII. UMBELLIFERA. 


. Prycnotis, Koch. Involucrwm oligophyllum. Calycis lim- 
bus 5-dentatus. Petala emarginata, bifida, cum lacinula 
inflexa. Fructus latere compressus, muricatus. Mericarpia 
5-juga. 

Ordo XVIII. RUBIACEA, 


. OLpENLANDIA, Linn. Calycis limbus 4-dentatus, dentibus 
in fructu erectis. Corolla tubulosa; limbo subrotato. Cap- 
sula subglobosa, apice .rimula loculicide operta. Semina 
plurima. 


XVlil FLORULA ADENENSIS. 


Ordo XIX. COMPOSIT A. 
Subordo TusvuLiFLor”. Flores hermaphroditi. Corolla reqularis. 


Tribus I. Vernontacex. Capitula multiflora, homogama, dis- 
coidea. Anthere ecaudate. Flores cyano-purpurer. 


1. Vernonia, Schreb. Involucrwm imbricatum, floribus brevius. 
Receptaculum nudum. Corolle limbus 5-fidus. <Achenia 
eallo basilari cartilagineo. Pappus biserialis; series exterior 
paleacea; interior aristeformis, multo longior. 


Tribus IT. AstEromEH. Cupitula multiflora, homogama. An- 
there basi caudate. Flores lutet. 


2. Vartuemtia, DC. Involucrum imbricatum, squamis adpressis 
acutis. Receptaculum alveolatum. Corolla tubulosa. <Ache- 
nia oblonga, compressa, pubescentia. -Pappus biserialis. 


3. Ipxtona, DC. Involucrwm imbricatum ; squamis adpressis, 
acuminatis, mucronatis. Receptaculum alveolatum. Corolle 
tubus nullus. -Acheniasubcylindrica, sulcata, sparse hispida. 
Pappus rigidus, multiserialis; setis intimis corollam equan- 
tibus. 

4. Hoonsterterta, DC. Involucri squame pluriseriales, sub- 
eequales, lineari-lanceolate. Receptaculum hirsutum. Corolla 
tubulosa. Achenia subturbinata, villosa; villis achenium 
superantibus. -Pappus uniserialis ; setis 10, dense ciliatis. 


Subordo Lieutirtorm. lores hermaphroditi, ligulati. Ca- 

pitula paucifiora. Flores lutet. 

5. Bracuyrampnus, DC. ILnwolucrum imbricatum ; squamis 
acuminatis, margine scariosis. eceptaculum nudum. Corolla 
ligulata. Achenia oblonga, muricata, breviter rostrata. Pap- 
pus pluriserialis, pilosus, mollis, albus. 


Subclassis III. Corolliflore. 


Ordo XX. APOCYNEA, 


1. Avenrum, Ram. et Sch. Calyx 5-partitus. Corolla subin- 


fundibuliformis, pubescens, intus lineis 5, villosis longitudi- 


FLORULA ADENENSIS. ; xix 


naliter notata. Stamina 5, brevissima, inclusa, Anthere cum 
stigmate coherentes. Ovaria 2, globosa. Stylus superne 
incrassatus ; stigmate bidentato. Succus lacteus. 


Ordo XXI. ASCLEPIADACEA. 


. SremvHertia, Decaisne. Calyx 5-partitus. Corolla cam- 
panulata, 5-fida ; lobis acutis, erectis, contortis ; fauce squa- 
mulis 5, flavidis, clausa; tubo basi foveolis 5, squamulis alter- 
nantibus. -Anthere membrana oblonga, stigmati incumbente, 
terminate. Pollinia pendula, subcompressa, clavata. Stigma 
muticum. 


. Guossonema, Decaisne. Calyx 5-partitus. Corolla sub- 
campanulata, profunde 5-fida; lobis erectis paginaque supe- 
riore tuberculo carnoso instructis. Pollinia oyoidea, ad 
apicem funiculo geniculato affixa. Stigma 5-gonum. olli- 
culus oyoideus, spinis innocuis echinatus. 


Ordo XXII. CONVOLVULACEZ. 


. ConvotvuLus, Linn. Calyx pentaphyllus. Corolla cam- 
panulato-infundibuliformis; limbo 5-plicato. Stamina 5, imo 
corolle tubo inserta, inclusa. Ovariwm biloculare ; loculis 
biovulatis. Stylus unicus; stigmatibus 2. Cuapsula bilocu 
laris, bivalvis. Semina 4. 


. Crussa, Linn. Calyx pentaphyllus. Oorolla infundibuli- 
formis ; limbo 5-partito, lobis planis. Stamina 5, exserta. 
Ovarium biloculare; loculis biovulatis. Styl 2. Capsula 
abortu monosperma. 


Ordo XXIII. BORAGINE. 


- Hexiorropium, Zourn. Calyx 5-partitus. Corolla hypo- 
craterimorpha; fauce nuda ; limbo 5-fido. Stamina 5, corolle 
tubo inserta. Ovariwn quadriloculare ; loculis uniovulatis. 
Stylus terminalis ; stigmate peltato. 


Ordo XXIV. SOLANACEA, 


. Lyorum, Linn. Calyx urceolatus, 5-dentatus. Corolla in- 

fundibuliformis, tubulosa; limbo 5-fido, erecto. Stamina 5, 

medio corollee inserta, inclusa. Ovariwm biloculare. Stylus 

simplex ; stigmate capitato, obsolete bilobo. Bacca subglo- 
62 


XX 


FLORULA ADENENSIS. 


bosa, calyce persistente suffulta, bilocularis. Semina plurima, 
reniformia. 


Ordo XXV. SCROPHULARINEA. 


. ANARRHINUM, Desf. Calyx profunde 5-partitus. Corolla 


tubulosa; tubo incurvo, basi non calcarato; fauce pervia; 
limbo bilabiato. Stamina 4, didynama, cum rudimento quinti 
sterilis. -Anthere reniformes, uniloculares. Capsula bilocu- 
laris, chartacea, polysperma; loculis sub apice poro dehis- 
centibus. 


. AnticHaRis, Hndl. Calyx 5-partitus. Corolla tubulosa ; 


fauce elongata, ampla; limbo 5-fido. Stamina 2, antica, in- 
clusa. Capsula ovata, subrostrata, bisulca, loculicide bivalvis ; 
valvulis demum fissis. Colwmna placentifera integra. 


. LinpenBeroia, Lehm. Calyx campanulatus, semifidus. Co- 


rolla bilabiata ; labio superiore erecto, inferiore trilobo, palato 
biplicato. Stamina 4, fertilia; antherarum loculis dis- 
junctis. Capsula ovoidea, bisulca, loculicide bivalvis ; valvulis 
integris. Columna placentifera 4-partibilis. 


. Campytantuus, Loth. Calyx 5-partitus. Corolle tubus 


elongatus, incurvus ; limbo patente, subequali. Stamina 2, 
inclusa ; antherarum loculis mucronatis. Capsula bilocularis, 
ovato-compressa, septicide dehiscens. 


Ordo XX VI. ACANTHACEZ. 


. BuerHaris, Pers. Calyx 5-partitus, inequalis ; lacinia infera 


bidentata. Corolla unilabiata; labio 5-fido; fauce cartilagi- 
nea. Stamina 4; antheris unilocularibus, margine ciliato-bar- 
batis; filamentis inferis supra antheras prolongatis. Capsula 
4-sperma. Semina testa floccosa. Spice spinose, imbricato- 
bracteatee. 


Ordo XXVIT. VERBENACE. 


. Bovonza, Cham. Calyx tubulosus, plicatus. Corolla infun- 


4 


dibulari-hypocraterimorpha; limbo oblique  sub-bilabiato. 
Stamina 4, didynama, inclusa ; antherarum loculis oppositis. 
Capsula dicocea, calyce inclusa; coccis elongatis, unilocu- 
laribus, multistriatis. 


iF 


—_ 


_ 


FLORULA ADENENSIS. XX1 


Ordo XXVIII. LABIAT A, 


Lavanputa, Zourn. Calyx ovato-tubulosus, subequaliter 
5-dentatus, 15-nervius. Corolle tubus exsertus; limbo ob- 
lique bilabiato. Stamina 4, tubo corolle inclusa, declinata ; 
filamentis glabris, liberis. Nucwle 4, glabre. Flores in spicis 
nudis terminalibus. 


Ordo XXIX. PLUMBAGINEZ. 


. Staticn, Willd. Calyx scariosus, 5-costatus. Corolla ima 


basi tantum gamopetala. Stamina 5, petalis opposita. Styli 
5, staminibus alterni; stigmatibus filiformibus, cylindricis. 
Utriculus unilocularis, monospermus, membranaceus, inde- 
hiscens. 


Ordo XXX. SAL VADORACEA. 


. Satvapora, Linn. Sepala 4, parva. Corolla membranacea, 


4-partita. Stamina 4, perigyna, corolle lobis alterna; an- 
theris introrsis, bilocularibus. Stzgma sessile, simplex. Bacca 
monosperma. Semen erectum. 


Subclassis IV. Monochlamydez. 
Ordo XX XI. PHYTOLACCEA. 


. Limeum, Linn. Calyx profunde 5-partitus, herbaceus, mar- 


gine membranaceus, laciniis subequalibus. Petala distincta 
3-5. Stamina 6-7, petalis alterna, disco perigyno inserta; 
antheris versatilibus. Ovariwm biloculare. Styli 2. Capsula 
dicocca. Coccei monospermi, compressi, tuberculati. 


Ordo XXXII. SALSOLACEA. 


. TraganuM, Del. Calyx 5-fidus, demum crasso-induratus, 


laciniis apteris. Corolla nulla. Stamina 5, toro inserta. 
Filamenta crassa. Torus (nectarium) inter stamina et 
pistillum, carnosus, obtuse 5-gonus. Styli 2, subulato-filifor- 
mes. Utriculus depressus, monospermus, indehiscens, calyce 
reconditus. Caulis articulatus. Folia succulenta. 


Ordo XXXITI. AMARANTACEA. 


. Ainva, Forsk. lores tribracteati, laterales, abortivi null. 


Perigonium pentaphyllum, lanatum. Stamina 5, basi in cupu- 


XXil 


FLORULA ADENENSIS. 


lam connata. -Anthere introrse, biloculares. Staminodia 5, 
dentata. Stylus subsessilis; stigma bifidum. Utriculus eval- 
vis, monospermus. 


. Sautia, &. Br. Flores tribracteati, abortivi 1-2. Perigo- 


niwm (calyx) pentaphyllum. Stamina 5; filamentis subulatis 
compressis, basi in cupulam connatis. Stylus simplex; stig- 
mate capitato globoso. Ovariwm uniovulatum. 


Ordo XXXIV. PARONYCHIACEA. 


. Comrtss, Burm. Flores ternati. Bractee demum plumoso- 


pinnatifide. Calyx herbaceus, 5-partitus ; segmentis spinoso- 
mucronatis. Corolla nulla. Stamina 5; filamentis subulatis, 
basiin cupulam subhypogynam connatis. Staminodia (petaia) 
5, linearia, staminibus alternis. Utriculus membranaceus, 
monospermus, indehiscens. Semen erectum. 


Ordo XXXV. NYCTAGINE. 


. BorrHaavia, Linn. Perigoniun coloratum, tubulosum; limbo 


plicato, deciduo. Stamina 8, subinclusa vel exserta. Ovariwm 
uniloculare, uniovulatum. Stylus simplex; stigma obtusum. 
Fructus (achenium) perigoni tubo inclusus, angulato-cos- 
tatus. Semen erectum ; testa cum endocarpio connata. 


Ordo XXXVI. EUPHORBIACEA. 


. Euvpnorpia, Linn. lores monoici, involucro communi 


dentato inclusi. Calyx et corolla nulla. Masc. plures, sta- 
mine unico, filamento articulato glandulaque minuta consis- 
tentes. Frm. unicus, centralis, longius stipitatus. Ovariwm 
triloculare. Styli tres, distincti vel plus minus coaliti, bifidi. 
Capsula tricocca ; coccis monospermis. 


Crozorpnora, Neck. Flores monoici. Masc. Calyx 5- 
partitus, estivatione valvatus. Petala 5, estivatione convo- 
luta. Stamina 8-10; filamentis basi coalitis; antheris ex- 
trorsis. Fem. Calyx 10-partitus. Oorolla nulla. Ovarium 
sessile. Styli 3, bifidi. Capsula tricoceca; coccis mono- 
spermis. 

JaTROPHA, Linn. Flores monoici. Maso. Calyw 5-par-— 
titus ; segmentis eestivatione convolutis. Petala 5, wstivatione 
convoluta, cum glandulis 5 alternantia. Stamina 8; antheris 
introrsis. Fem. Calyx et corolla nulla. Ovariwm glandulis 


_ 


FLORULA ADENENSIS. XXIil 


- (petalis) cinctum. Styli 8, distineti. Stigmata peltata, undu- 


lata. Capsula tricicocca ; coccis monospermis. 


Ordo XXXVII. URTICACE. 


. Forsxontia, Linn. Flores androgyni, in receptaculo lanato 


involucro communi cincto. Mase. Perigoniwn monophyllum. 
Stamen unicum ; filamentum elastice prosiliens; anthera ex- 
trorsa. Frm. Perigoniwm ventricosum, lanatum. Ovariwm 
uniloculare, uniovulatum. Stylus simplex. Stigma lineare, 
unilaterale. 


Ordo XXXVIII. GNETACEA. 


Erurpra, Tourn. Flores dioici; bracteis decussatim oppo- 
sitis. Masc. Perigoniwm membranaceum, tubulosum, apice 
bivalve. Stamen unicum ; anthera bilocularis; loculis apice 
poro dehiscentibus. Frm. Perigoniwm nullum. Ovariwn 
apice pervium, uniloculare, uniovulatum. Drupa baccata, 
monosperma. 


Classis II. MONOCOTYLEDONES. 
Ordo XXXIX. AMARYLLIDEZ. 


. Panoratium, Linn. Perigoniwm superum, infundibuliforme, 


corollinum ; tubo elongato; limbo regulariter 6-partito. Co- 
rona faucis tubulosa, exserta, dentata. Stamina 6, 3 sterilia, 
in coronam faucis connata. Ovariwm triloculare, multiovula- 
tum.—Herbe scapigere ; radice bulbosa. 


Ordo XL. CYPERACE. 


. Cyperus, Linn. Spicule multiflore, compresse, terminales 


umbellate ; involucro communi 3-4-phyllo; glumis distiche 
imbricatis. Glume uniflore. dAriste hypogyne, ovarii nulle. 
Stamina 2-3. Stylus trifidus. 


Ordo XLI. GRAMINEZ. 


Tribus I. Panitcenm. Spicule biflore. 


. TricHoLzNA, Schrad. Spicule biflore, laxe paniculate. 


Gluma florifera mutica. Palea binervia, obtusa. Lodicule 2, 
distinct. Stamina 3. Styli 2; stigmata plumosa. 


. Pxyicum, Linn. Spicule subbiflore, dense spiceformes. 


Glume exteriores 3, plerumque vacue 4-6-nervie. Glwmna 


XXIV FLORULA ADENENSIS. 


florifera concava, enervis. Lodicule 2, carnose, truncate, 
obtuse. Stamina 3. Styli 2. 


3. Pennisetum, Pal. de Beauv. Spicule biflore, in spicas 
cylindricas, densas, aristatas, conferte. Glwma florifera mem- 
branacea, concava, mutica, paleam complectens. Lodicule 2, 
fere obsolete. Stamina 3. Styli 2, basi paulo connati. 


Tribus IT. Srrpacex. Spicule wniflore. Gluma florifera aristata. 
Ovarium stipitatum. ; 


4, Anistipa, Linn. Glume 2, membranacee, inequales. 
Gluma florifera coriacea, teres, involuta, apice aristata; arista 
trifida. Palea membranacea, mutica. Lodicule 2, integre. 
Stamina 2. Styli 2, distincti. 


5. Stipagrostis, Nees. Glwme 2, membranacee, subzequales. 
Glwma fiorifera chartacea, membranacea, apice biloba, inter 
lobos aristata; arista trifida. Palea obtusa. Lodicule 2, 
spathulato-cochleariformes. ; 


Tribus III. Cutoripem. Spicule quadriflore vel multifiore. 
Glume et palee aristate ; ariste torte. Ovariwm sessile. 


6. Tutrapocon, Desf. Flores inferiores 2, hermaphroditi; 
superiores 2, imperfecti. Glume 2, carinate; superior 
mutica, inferior aristata. Gluma florifera trinervia, carinata, 
sub apice aristata. Palea bicarinata, aristata. Lodicule 2, 
integree. 


7. Dactytocrentum, Willd. Flores distichi, hermaphroditi. 
Glume 2, carinatee, compresse ; superior aristata, inferiorem 
complectens. Glwma florifera carinata, sub apice mucronata. 
Palea bicarinata. Lodicule 2, emarginate. 


Tribus IV. Festucrnx. Spicule multiflore. Ovarium sessile. 


8. Eragrostis, Pal.de Beaw. Spicule compresse, paniculatee. 
Gluma florifera membranacea, trinervia, carinata, decidua. 
Palea bicarinata, persistens ; carinis ciliatis. Oaryopsis libera. 


9, AALuropus, Trin. Spicule compress, spicato-racemose. 
Gluma florifera coriacea, multinervia, ecarinata, margine mem- 
branacea. -Palea bicarinata. 


FLORULA ADENENSIS. 


Classis I. DICOTYLEDONES. 
Ordo I. CRUCIFER. 


1. Farseria, Turra. 


1. F. sryuosa (T. Anders.). Pilis adpressis incana; foliis paucissimis, 
linearibus, basi attenuatis; sepalis lineari-lanceolatis, margine scari- 
osa, glabra, angusta; siliquis breviter pedunculatis, linearibus, subin- 

_ canis, stylo apiculatis; stylo 1 lin. longo.—Mathiola stylosa, Hochst. 
et Steud. in Schimper, Pl. Arab. Fel. n. 860. 

Hab. Aden, in arenosis (Hook. fil. et T.!). 

Distr. In deserto Arabiz Felicis ! 

Decaisne, in Ann. Se. Nat. ser. 2. vol. iv. p. 69, describes another species, 

_F. longisiliqua, from Yemen, but of which Walpers, in Repert. vol. i. p.139, 

says, “ Non hujus generis esse videtur.”” I have not seen this plant. F. 

linearis, Dene. MSS. in Herb. Mus. and Boiss. in Ann. Se. Nat. ser. 2. 

vol. xvu. p. 150, I distinguish from F. stylosa by its smaller flowers, ovate- 

lanceolate sepals, and much longer styles. I have seen specimens of it 
from Muscat and Algiers. 


2. Dipreryeium, Decaisne. 


1. D. GLAucum (Dene. in Ann. Se. Nat. ser. 2, iv. p. 67). Foliis petio- 
latis, ovatis vel lanceolatis, integris, herbaceis, glabris, vel crassiusculis 
scabridis ; sepalis zequalibus, lanceolatis, obscure trinervils, extrorsum 
glandulosis; petalis lanceolatis, obtusis, unguiculatis, sepalis lon- 
gioribus ; stylo tereti, stigmate capitato; ovario sessili, tetraquetro, 
angulis dentato-alatis; siliculis indehiscentibus, compressis, elliptico- 
oblongis, scorbiculatis, crustaceo-corrugatis.—D. scabrum, Decaisne, 
fide Boiss. in Auch. Pl. Arab. n. 4150 (absque descriptione). Ptero- 
loma Arabicum, Hochst. et Steud. in Schimp. Pl. Arab. Fel. n. 851. 

Hab. Aden, a littore usque ad alt. 1000 ped. in monte “Jibeel Shum- 
shum” (Hook. fil.! T. Anders.). 

Distr. In Arabia Felici! et Petrzea! Nubia! Scinde! Punjab! 

Herba perennis, subvirgata, glabra vel scabrido-glutinosa, subaphylla. 

LINN. PROC.—BOTANY, VOL. V. SUPPLEMENT. B 


eee: 


FLORULA ADENENSIS. 


Ramuli teretes, rigidi, diifusi. Folia 2-10 lin. longa, 1-3 lin. lata. 
Sepala interdum glabra, 1 lin. longa; juniora violacea. Petala de- 
mum subdeflexa, viridescentia aut alba. Silicule alis cristatis; duz 
laterales majores, duze antica et postica minores inconspicue ; unilo- 
culares, abortu monosperme. 


3. DipLotaxis, DC. 


}. D. penDuLA (DC. Syst. vol. ii. p. 630, et Prod.i. p. 222). Foliis obo- 


vatis, lanceolatis, grosse dentatis, hispidis; sepalis ovatis, tomentosis ; 
siliquis pedicellatis, pendulis, glabris, linearibus, basi attenuatis; stylo 
brevissimo, stigmate bilabiato.—D. ot eee D. Lagascana, D. his- 
pida (DC. in Syst. atque Prod. J. c.). D. nana (Boiss.). 


Hab. Aden, in arenosis sterilibus (Hook. ey 1). 
Distr. In Arabia Felici! et Petreea, Aigypto! Syria! Persia! Algeria! 


Hispania! Sicilia ! 


Herba in hirsutia foliorumque forma multum varians; corolla et sili- 


quis exceptis, plerumque hispida. Corolla flava, magna. 


Ordo II. CAPPARIDACEA. 
Tribus I. CrtomeEa, Linn. 


1. CrEomeE, Linn. 


Sect. Pedicellaria. Torus carnosus ; thecaphorus elongatus. 


1. C. PARADOXA (R. Br. in Salt. Abyss.; DC. Prod. vol. i. p. 241). 


Caule basi suffruticoso, erecto, glabro, apice glandulis nigris scabro ; 
foliis 3-6-foliolatis ; foliolis linearibus, lanceolatis, acutis, mucronatis, 
glaucis; petiolis foliolis duplo longioribus, muricatis; racemis termi- 
nalibus, in fructu elongatis, laxis, subaphyllis ; pedunculis thecaphoris- 
que glandulosis, scabris; sepalis ovatis, glandulosis; petalis unilatera- 
libus, apice et marginibus glandulosis, duobus majoribus spathulatis, 
duobus brevioribus breviter unguiculatis; staminibus 6; stylo brevi, 
crasso, basi glanduloso.; stigmate obtuso ; siliquis stipitatis, lineari- 
bus, utrinque acutis, glabris, venosis; seminibus biseriatis, glabris, 
globosis.—C. muricata, Edgew. in Journ. Soc. Asiat. Bengal. xvi. 
p. 1212. 


Hab. Aden, wbique in arenosis (Edgeworth, Hook. fil. et T.! Madden! 


T. Anders.). 


Suffrutex perennis, 2-3-pedalis, glaucus, apice glanduloso-seaber, folio- 


sus, ramosus. Foliola 1-14 unc. longa. Petiolus foliolo triplo lon- 
gior. Flores magni, flavi. Siliqgua 43 Jer. longa, pendula; valvis 
planis 4 lin. latis. 


FLORULA ADENENSIS. 3 


Sect. Sediqguarza. Torus parvus; thecaphorus brevis vel nullus. 
+ Folis simplicibus. 


2. C. QUINQUENERVIA (DC. Prod. i. p. 239). Herbacea, glauca, sub- 
pubescens aut glanduloso-hirsuta; foliis longe petiolatis, ovatis, basi 
subcordatis, 5-nervibus, floralibus minoribus; floribus axillaribus; 
sepalis linearibus, pubescentibus, margine ciliatis; petalis ovatis ; 
staminibus 6; stylo gracili, glabro; stigmate rotundo, obtuso; siliquis 
sessilibus, ovato-oblongis, glanduloso-scabris, stylo brevi apiculatis. 

Hab. Aden, im arenosis prope littus (Madden !). 

Distr. In Persia! Affghanistan ! 

Herba annua. Folia longe petiolata, late ovata. Siliqua erecta, 1 une. 
longa, subteres. Stylus brevis, 1 lin. longus. Flores pallide fiavi. 


3. C. prumNosA (T. Anders.). Caule ramosissimo, subglabro; ramis 
pruinosis, pilis patentibus subhirsutis, foliosis; foliis petiolatis, ovatis, 
acuminatis, trmervus, papillis scabris sparse hirsutis, marginibus 
glandulosis subserratis; floribus axilaribus solitartis; sepalis lanceo- 
latis, subglandulosis; petalis linearibus, unguiculatis; staminibus 4 ; 
siliquis sessilibus, erectis, glandulosis, teretibus, oblongis, stylo per- 
sistente deflexo apiculatis. 

Hab. Aden, copiossisime (Hook. fil.! T. Anders.). 

Suffrutex parvus, apice glandulosus, sparse pilosus. Folia longe petio- 
lata, 4-8 lin. longa, 3-6 lin. lata; petiolus ~ unc. longus. Stylus 
gracilis, glaber, 4 lin. longus. Szliqua glandulosa, longitudinaliter 
sulcata, 8 lin. longa. Flores viridi-flavi. 


A species very near C. droserefolia, but differmg from it in being almost 
glabrous, in the shape of the leaves, and in the shorter styles. It may 
eventually prove to be a state of C. droserefolia, especially as that plant 
has not been found at Aden, though it is common in Arabia Petrea, and 


Egypt. 


4. C. PAPILLOSA (Steud. Nomencl. ed. 2, i. p. 382). Herbacea, gracilis ; 
caule erecto, pilis patentibus hirsutis; foltis ovatis, basi subcordatis, 
margine integro, pilis strigosis papillisque duris scabris, inferioribus 
longe petiolatis, superioribus sessilibus ; racemis laxis ; floribus pedun- 
eulis filiformibus; sepalis lanceolatis, glandulosis; petalis lanceolatis, 
longe unguiculatis ; staminibus 6; siliquis glabris, filiformibus, tere- 
tibus, patentibus, pedicello multo longioribus, transversim corrugatis, 
rubris ; seminibus uniseriatis.—C. gracilis, EKdgew. in Journ. Soc. Asiat. 
Bengal. vol. xvi, p. 1212. C. linearis, Stocks, MSS. in Herb. Hook. 

Hab. Aden, in locis saxosis (Edgew., Hook. fil.! T. Anders.). 

Distr. In Abyssimia! Scimde! Punjab! 

Herba gracilis, annua, aromatica, odore moschato. Folia integra. 
Corolla junioribus violacea, mterdum flava. Siliqua glabra, filiformis, 
1 une. longa. 


Be 


4. FLORULA ADENENSIS. 


tt Folius trifoliolatis. 


5. C. BRacHycaARPA (Vahl, ined. ; DC. Prod.i. p. 240}. Caule ramoso, 
suberecto, glanduloso, apice scabro; folis 3-5-foliolatis, petiolatis ; 
foliolis ovatis, oblongis; floralibus sessilibus, 3-foliolatis vel integris ; 
floribus laxe racemosis, pedicellatis; sepalis lanceolatis, petalis multo 
brevioribus, glandulosis ; petalis ovatis, unguiculatis, glabris ; stamini- 
bus 6; stylo erecto, glabro, siliqua dimidio breviore ; stigmate rotundo ; 
siliquis ovatis, glandulosis, patentibus, demum erectis, stylo capitatis. 
—C. Vahlicna, Fresen. Mus. Senckenb. ii. p. 110. C. diversifolia, 
Hochst. et Steud. in Schimp. Pl. Arab. Fel. n. 762. C. moschata, 
Stocks, MSS. in Herb. Hook. 

Hab. Aden, in arenosis vulgatissime (Edgew., Madden, Hook. fil., T. 
Anders.). 

Herba annua? suberecta, ramis diffusis. Pedicelli graciles, siliqua fere 
duplo longiores. Flores flavi. 


Tribus Il. CaPpPARIDE®. 
2. CapaBa, Horsk. 


. 1. C. euanputosa (Forsk. Descr. p.68). Foliis subrotundis, ovalibus, 
mucronatis vel obtusis, crassiusculis, hirsutis, glandulosis; racemis 
terminalibus paucitloris, floribus pedunculatis; sepalis spathulatis, 
glandulosis; petalis nullis; staminibus 5, filamentis glabris; toro 
liguleformi, petaloideo, stammubus longiore ; ovario stipitato, glandu- 
loso; stigmate sessili; capsulis ovato-oblongis, pedicellatis, glandu- 
loso-hirsutis.—Stremia glandulosa, Vahl, Symb. vol.i. p. 20. Ca- 
daba monopetala, EKdgew. in Journ. Soc. Asiat. Bengal. xvi. p. 1212. 

Hab. Aden, in monte “ Jibeel Shumshum ”’ dicto, ad altitudinem 1000 
ped. (Edgeworth, Hook. fil. et T.! T Anders.). 

Distr. In regione Tehama Arabiz Felicis. 

Frutex apice hirsutus, viscosus, ramosissimus. Folia integerrima, petio- 
lata, 4-10 lin. longa, 3-6 lin. lata, petiolum zquantia. Flores apetali. 
Capsula baccata, semipollicaris. 


2. C. tonerFoLiA (DC. Prod. i. p. 244). Fruticosa, ramosa, glabra ; 
foliis linearibus, oblongis, glabris, coriaceis; racemis terminalibus ; 
floribus pedunculatis ; sepalis 4, cruciatis, duobus majoribus exteriori- 
bus ovatis acutis, interioribus ovatis ;. petalis 4, lanceolatis, unguicu- 
latis, minutis; staminibus 4; toro elongato; ovario stipitato, glandu- 
loso; capsula baccata; seminibus teretibus, glandulosis.—Stremia 
longifolia, R. Br. in Append. Salt. Abyss. n. 64, 

Hab. Aden (Hook. fil.! T. Anders.). 

Distr. In Abyssinia ! 

Frutex ramosus, glaber, foliis petiolis pedunculis sepalis ramisque junio- 
ribus minutissime pruinosis. Folia 13-2 unc. longa. Torus elongatus, 
8 lin. longus, stipitem aquans. Flores violacei? 


e 


-FLORULA ADENENSIS. 5 


In the Hookerian Herbarium there is a glabrous specimen of Cadaba 
Indica, Lam., which, except by its having the pale-yellow flowers of that 
species, I cannot distinguish from some broad-leaved herbaceous specimens — 
of C. longifolia from Aden. The normal states of C. longifolia and C. 
Indica are, however, markedly different. 


3. Capparis, Linn. 


1. C. GALEATA (Fresen..in Mus. Senck. i. p. 111). Fruticosa, glauca, 
ramis diffusis, foliosis ; foliis petiolatis, ovatis, crassis, mucrone recurvo 
uncinatis; stipulis duabus, spinosis; floribus solitariis, axillaribus ; 
pedunculo foliis longiore, erecto, in fructu deflexo; sepalis 4, sepalo 
maximo galeato; petalis subrotundis, glabris; stamimibus numerosis ; 
fructu baccato, pyriformi, angulato; thecaphoro longo, pedunculum 
zequante ; seminibus reniformibus, testa crustacea.—C. Murrayana, 
Grah. Cat., et Wight, Icones, t. 379. C. cartilaginea, Dene. in Ann. 
Se. Nat. ser. 2. vol. iii. p. 273. C. wncinata, Edgew. in Journ. Soc. 
Asiat. Bengal. xvi. p. 1213. 

Hab. Aden, in rupibus (Edgew., Hook. fil. et T.! T. Anders.). 

Distr. In Arabia Petreea! gypto! Scinde! in ora occidentali pen- 
insulz Indie orientalis. 

Frutex glaucus, ramis junioribus pulverulentis, stipulis aurantiacis unci- 
natis. Folia cartilaginea, 13-2 unc. longa, 1-2 une. lata; petiolus 
foliis brevior. Petala et stamina alba, denique pallide purpurea aut 
purpureo-rubra. Fructus maturus ruber, 8-10-costatus, 4 unc. longus, 

= une. latus. Stipes 2 unc. longus. 


It is impossible to distinguish this plant by any essential characters from 
states of that protean species Capparis spinosa, L. 

To Capparis spinosa I unite C. A’gyptiaca, Lam., C. herbacea, Willd., 
C. ovata, Bieber, C. rupestris, Linn., C. obovata, Royle, C. ovata, Desf., 
C. mucronifolia and C. parviflora, Boiss., C. Sicula, Guss. In all of these 
so-called species, and especially in C. herbacea and C. rupestris, spe- 
cimens are constantly occurring in which the slightly recurved mucro of 
the leaf, the large flowers with a more or less galeate sepal, large-angled 
fruit, and the glaucous state of the whole plant indicate an affinity to 
C. galeaia. As, however, some of the steps are wanting, I have for the 
present kept C. galeata distinct from C. spinosa. 


4. Mamrua, Forsk. 


1. M. Tuomsoni (T. Anders.). Virgata, glaberrima; foliis linearibus, 
oblongis, coriaceis, mucronatis, brevi-petiolatis; floribus solitariis, 
pedunculatis; calyce tubuloso, brevissime 4-partito; fructu carnoso, 
stipitato, glabro, toruloso. 

Hab. Aden (Hook. fil. et T.!). 

Frutex glaberrimus, virgatus, foliosus, ramis paucissimis, cortice punctato. 
Folia in ramis floriferis fasciculata oblonga, in aliis alterna linearia. 
Thecaphorus pedunculo longior. 


6 FLORULA ADENENSIS. 


Ordo III. RESEDACEA. ’ 
1. Resepa, Linn. 


1, R. aMBLyYocARPA (Fresen.). Subpruinosa; foliis integris, superio- 
ribus rarissime ternatim incisis, ovato-lanceolatis, basi attenuatis ; 
floribus spieatis ; bracteis deciduis, longe subulatis; pedicellis calycem 
zequantibus vel longioribus; sepalis 6, inzequalibus, linearibus, deci- 
duis; petalis 5, duobus majoribus 5—10-partitis, tribus brevioribus bi- 
partitis vel integris; capsulis obovatis, obtuse tridentatis; seminibus 
minutis, reniformibus, nigris, asperulis. 

Hab, Aden, juxta mare (Edgew., Hook. fil. et T.! Madden! Schomburgk ! 
Harvey! T. Anders.). 

Distr. Tn Abyssinia ! 

Herba ramosa, subpruinesa. Caulis perennis, striatus, angulosus. Folia 
plerumque integra, utringue acuta, in petiolum attenuata, 2 unc. longa, 
3 lin.—3 une. lata. Flores parvi, bracteis deciduis. Capsula triden- 
tata, truncata. Semina pauca, nigra, asperula, punctata. 


After a careful examination of the species of Reseda in the Hookerian 
Herbarium, and the study of Mueller’s elaborate monograph of the order, 
I can find no character, except the nature of the seeds, to separate this 
species from R. pruinosa, Del., or R..Aucheri and R. bracteata, Boiss., 
which seem to be merely varieties of R. pruinosa. 

Having made numerous dissections of all the species allied to R. pruinosa, 
Del., I am convinced that no speeifie character of the slightest value can 
be obtained from the number of the divisions or the shape of the petals. I 
consider R. amblyocarpa, Fresen., to be probably distinct from R. pruinosa, 
Del., and its varieties,—from its having a perennial stock, almost always 
entire leaves, a larger and denser spike, smaller flowers, and a slightly 
different capsule contaming much smaller, black and punctate seeds. 
Reseda pruinosa is evidently an annual, with generally trifid leaves; it 
has shorter spikes, larger flowers, and seeds nearly as large again as those 
of R. amblyocarpa, of a dark olive colour, and with an almost perfectly 
smooth testa. Both, however, are pruinose. The seeds of R. pruinosa 
are also sometimes slightly punctate, and R. Aucheri, Boiss., which ranks 
only as a variety of R. pruinosa,.has often leaves as entire as those of 
R. amblyocarpa. In Resedacee the duration of the stock is probably an 
uncertain character, subject to the influence of climate, and especially to 
the amount of moisture. 


Ordo IV. POLYGALACEA. 
1. Potyeara, Linn. 


1, P. rrirLora (Linn, Fl. Zel. p. 269). Caule erecto, pubescente pilis 
adpressis; foliis subsessilibus, ovato-oblongis, apice rotundatis, utrinque 
incano-tomentosis ; floribus breviter racemosis; racemis pedunculatis, 


FLORULA ADENENSIS. 7 


sessilibus, 4—6-floris; alis obovatis obtusis, pubescentibus, capsula paulo 

' longioribus; carina cristata, rosea; capsulis oblongis, marginatis vel 
emarginatis, ciliatis ; seminibus pilosis.—P. paniculata, Forsk. F1. Arab. 
n. 429. P. obtusata, DC. Prod. i. p. 326. P.erioptera, DC.l.c. P. 
Vahliana, DC. 1.c. P. arvensis, Willd. sp. 3. p. 876. P. Rothiana, 
W. et A. Prod. Fl. Pen. Ind. Or. p. 37. P. glaucoides, Wight in Wall. 
Cat., sed non Linn. P. grandiflora, Wall. Cat. P. serpyllifolia, Poir. 
Wall. Cat. P. Noucherensis, Camb. in Voy. Jacq. iv. p. 24. P. Ara- 
bica, Edgew. in Journ. Soc. Asiat. Bengal. xvi. p. 1213. 

Hab. Aden, in arenosis depressis (Edgew.! Hook. fil.! Madden! T. 
Anders.). 

Distr. In Arabia Felici! Muscat! India orientali! gypto superiore! 
Abyssinia! Africa centrali! Senegal! insulis Capitis Viridis! 


Ordo V. CARYOPHYLLACE. 
1. Motiveo, Ser. 


1. M. Cerviana (Ser. MSS.; DC. Prod. i. p. 392). Glabra, caulibus 
adscendentibus, teretibus, verticillatis ; foliis glaucis, in verticillis irre- 
gularibus confertis, radicalibus oblongis obtusis, caulinibus linearibus ; 
floribus 2-3, umbellatis; pedunculis elongatis, gracilibus; petalis 
nullis ; staminibus quinque, seminibus glabris.—Pharnaceum Cerviana, 
Linn. Spec., ed. 1, p. 272. 

Hab. Aden, in umbris arbuscularum atque im arenosis (Hook. fil.! T. 
Anders.). 

Distr. In pen. Indiz orientalis! Punjab! Ceylania! Siberia australi! 
Abyssinia! Senegal! Europa australi! capite Bonz Spei! 

Herba tenera, glauca. Caules teretes, 1-4-unciales; verticilla caulma 
foliorum 2-3-foliata. 


2. SpHzRocoma, TL. Anders. 


1. S. Hooxenrt (T. Anders. in Journ. Proc. Linn. Soc. vy. p.15). Caule 
erecto, lignoso, ramoso, cortice glauco; foliis in nodis oppositis, cau- 
lmis fasciculatis, carnosis, teretibus, apice obtusis, basi attenuatis ; 
glomerulis pedunculatis, ebracteatis ; floribus dense aggregatis ; sepa- 
lis ovatis, concavis, mucronatis, florum sterilium linearibus, in fructu 
setaceis, setis integris ; capsula, calyce et corolla squamis persisten- 
tibus inclusis. 

Hab. Aden (Hook. fil.). 

Fruticulus 2-pedalis, ramosus, glaberrimus, glaucus ; caulis nodis oppo- 
sitis foliosis. Folia 6-10 lin. longa. Glomeruli fusci, 1-3 lin. longi. 
Peduncult erecti, 1-1} lin. longi, bracteis 1-2, sepaloideis. Utriculus 
parvus, subchartaceus. 


i 


FLORULA ADENENSIS, 


Ordo VI. MALVACE. 


1. Hrsiscus, Linn. 
Sect. Bombicella. 


H. Wexsuit (T. Anders.). Caule suffruticoso, glanduloso, punctato, 
foliis petiolatis, late ovatis, 3-5-lobatis, cordatis,-margime dentato-ser- 
ratis, glandulis nigris utrinque punctatis; petiolis superne hirsutis ; 
pedunculis axillaribus, solitariis, unifloris, petiolum equantibus, supra 
articulum incrassatis; mvolucello 10-phyllo, segmentis subulatis parvis; 
calyce 5-dentato, nigrescente, glandulis hirsutis obtecto ; carpellis lan- 
ceolatis, pilis sparsissimis puberulis, extus cortice glanduloso reticulato ; 
seminibus pilis fulvis, dense gossypinis. 


Hab. Aden, rarissime (Hook fil. et T.! T. Anders.). 
Suffrutex glandulosus. Cortex subglaucus. Folia glandulis asperis sca- 


bra, 3-1 unc. longa, 4-13 une. lata; petiolus 1-2 une. longus. Corolla 
ignota. 


I have named this very distinct species after my friend Dr. Welsh of the 
Bombay Army, the Civil Surgeon of Aden. Iam much indebted to him for 
his kindness in accompanying me during my herborizations, and in showing 
me many of the rarer plants of the settlement, and among them this 
species. 

Tab. I. Fig. 1, portion of leaf; 2, flower-bud; 3, section of the same; 


4, sepal; 5, anthers; 6, single anther, showing mode of dehiscence ; 
7, cross section of ovary; 8, outer surface of a single carpel; 9, seed ; 
10, section of same; 11, embryo. With the exception of fig. 9, all are 
magnified. 


. H. micrantuus (Linn. fil. Suppl. p. 308). Suffruticosus, caule 


pilis stellatis aspero; foliis petiolatis, ovatis, subrotundis, indivisis, 
acute serratis, scabris ; pedicellis axillaribus, foliis longioribus ; involu- 
cello 5-7-phyllo, setaceo; calyce breviore; corolla reflexa; capsula 
subglobosa; seminibus sericeis.—H. rigidus, Linn. fil. Suppl. p. 310. 
H. ovalifolius, Vahl, Symb. i. p. 50. Urena ovalifolia, Forsk. Deser. 
p- 124. H. clandestinus, Cav. Ic.i. p. 1, t. 2. H. micranthus, Cav. 
Diss. iii. p. 155, t. 66. f. 1. H. intermedius, Hochst. in Schimp. Pl. 
Abyss. n. 2211. H. parvifolius, Hochst. in 1. c. n. 2275. 


Hab. Aden, prope sepulchretum veterum (T. Anders.). 
Distr. In Arabia Petraea! Muscat! India! Ceylania! Abyssinia! Mozam- 


I: 


bique! Senegambia ! 


2. Aburinon, Tourn. 


A. pDENTICULATUM (Planch. in Herb. Hook.). Caule tomentoso; 
foliis ovatis, cordatis, acutis, denticulatis, glauco-tomentosis, petio- 
latis; pedicellis petiolo longioribus ; calycis segmentis acutis ; carpellis 


FLORULA ADENENSIS. 9 


8-10, truncatis, muticis, tomentosis, trispermis.—Sida denticulata,. 
Fresen. Mus. Sencken. 1. p. 82. . 

Hab. Aden (Hook. fil. et T.!). 

Distr. In Arabia Petrea! Scinde! gypto superiore! Senaar ! 


Ordo VII. STERCULIACEZ. 
1. Srercuria, Linn. 


1. S. Arasica (T. Anders.). Glabra, cortice cinereo; foliis petiolatis, 
rotundatis, late ovatis obtusis, vel subrhomboideis acutis, basi inter- 
dum subcordatis, integris vel crenatis, utrinque glaberrimis, stipulis 
subulatis ; racemis in ultimis ramis vel axillaribus, simplicibus, pauci- 
floris, folio multo brevioribus; pedunculis glabris ; pedicellis apice 
pilosulis; bracteis minutis, subulatis; calyce ad medium 5-fido, 
utrinque piloso, laciniis patentibus ; floribus masculinis tubo stamimeo 
exserto, 10-lobato, glabro ; folliculis 4, anguste ovatis, acutis, pubes- 
centibus.—S. Abyssinica, R. Br. partim im Append. Salt. Abyss. et in 
P]. Javan. Rar. p. 227. 

Hab. Aden (Hook. fil. et T.!). 

Arbuseula 8-10-pedalis, glaberrima, foliata; ramuli abbreviati, paulo 
inerassati ; ramuli floriferi in nodis foliosis abbreviatis aut in longitu- 
dine petiolum equantibus, stipulis deciduis obtecti. Folia 3-5-nervia, 
1-14 une. longa, 1-23 une. lata; nervi viridescentes; petiolus teres, 
glaber, {-{ unc. longus. Racemi 3-1 une. longi, graciles. Flores 
parvi. Follicul teretes, subrostrati, fulvo-pubescentes, ¢ unc. longi, 4 
une. lati. 

Tab. Il. A. Sterculia Arabica (T. Anders.) : fig. 1, male flower; 2, same 
laid open; 3, anthers; 4, fruit, natural size. (Figures 1, 2, and 3 are 
magnified.) B. Leaf and fruit of S. Abyssinica, R. Br., natural size. 


I have examined, on two distinct occasions, the original specimens of S. 
Abyssinica, R. Br., in Salt’s Abyssinian plants in the British Museum, and 
at the same time compared them with ten or twelve specimens of the Aden 
species S. Arabica. I find that among Salt’s specimens of S. Abyssinica 
there is a fragment of S. Arabica, consisting of a portion of a branch with 
three leaves, and a fruit of four follicles on a very short axillary peduncle ; 
and from this the description in the ‘ Plant Javanice Rariores,’ of the fruit 
and partly of the leaves, of S. Abyssinica was deduced. Though Salt’s speci- 
mens of these two species of Sterculia are said to be from Abyssinia, they 
are possibly from quite distinct localities; for that traveller, after touching 
at several points on the east coast of Africa, visited Aden and Arabia Felix. 
Whenever a favourable opportunity occurred, he seems to have collected 
plants, but (judging from his herbarium in the British Museum) without 
appending any notes or records of stations to his specimens. It is probable 
that the specimens of S. Abyssinica were obtained at Mozambique, where 


10 FLORULA ADENENSIS. 


_ Salt spent several days; and the fragment of S. Arabica mixed with the 
former species is most likely from Aden. 

Had R. Brown seen flowering specimens of S. Arabica, he would doubt- 
less at once have distinguished the two species, and, moreover, would have 
united his S. Abyssinica with his other species S. Triphaca, described from 
an imperfect specimen in fruit m the Paris Herbarium, collected by Lou- 
reiro at Mozambique, and which seems to have been considered distinct 
by Brown, on account of the fruit differmg from what he mistook for the 
fruit of S.. Abyssinica, but which I have above shown to be the fruit of S. 
Arabica. 

Figure B. of Plate II. is taken from a Sterculia in the Hookerian 
Herbarium, from near Mozambique, named S. ipomeefolia, Gerke, a careful 
comparison of which with the original specimens of S. Abyssinica, R. Brown, 
convinces me that it is certainly the same as that species. S. Arabica is 
easily distinguished from S. Abyssinica by its short-petioled, rotund, 
rarely acute, and perfectly glabrous leaves, very short, axillary, simple, 
nearly glabrous racemes, and by the markedly different fruit, which is only 
half the size of that of S. Abyssinica. 

The leaves, petioles; and peduncles of S. Abyssinica, besides possessing 
other and more important characters, are always more or less tomentose. 


Ordo VIII. TILIACE. 


1. Corcnorvs, Linn. 


1. C. AnricHorus (Roemschal, Nomencl. Bot., ed. 3, p. 158). Cau- 
libus prostratis diffusis ; foliis petiolatis, subrotundis, ellipticis, plicato- 
crenatis, serratis ; floribus axillaribus, binis; capsulis siliqueeformibus, 
lanceolatis, deflexis, quadrivalvis, glabris.—Antichorus depressus, Linn. 
Mant. p. 64. Jussiea edulis, Forsk. Descr. p. 210. Corchorus fruti- 
culosus, Vis. Pl. Augypt. et Nubia, p. 21, t. 3. p. 2. Corchorus humi- 
is, Munro in Hort. Agrensi. . 

Hab. Aden (Hook. fil. et T.'! Madden! T. Anders.). 
Distr. In Arabia Felici! Muscat! Semde! India boreali-occid.! atque 
ad Madras! Africa boreali! insulis Capitis Viridis. 


2. GREWIA, Juss. 


1. G. popuuirouia (Vahl, Symb.i. p. 33). Caule fruticoso, virgato, ra- 
mulis pilis stellatis sparse vestitis; foliis alternis, brevi-petiolatis, or- 
biculatis, dentato-crenatis, 3-5-venosis, glaberrimis, junioribus subtus 
pilis stellatis pubescentibus ; pedunculis solitariis pubescentibus, uni- 
floris, rarissime bifloris, folio brevioribus, bracteolis duabu’ oppositis ; 
sepalis lineari-lanceolatis, extus pubescentibus, corolla longioribus ; 
petalis linearibus, breviter bifidis ; stylo staminibus longiore ; stigmate 
4-lobato; drupis 2-4-lobatis, pyrenis globosis glabris vel pilis sim- 


’ FLORULA ADENENSIS. Ve 


plicibus puberulis.— G. betulefolia, Roth, Nov. Spee. p. 249. Chadra 
tenax, Forsk. Fl. Arab. n. 338. 

Hab. Aden, rarissime (Hook fil. et T'!). 

Distr. In Arabia Petrzea! Persia! Scinde! India boreali-occid.! pen. 
Ind. orient ! Senaar! Senegal ! 

Frutex plerumque glaber. Cortex pallidus, subnitidus, partibus pube- 
rulis, pilis stellatis sparse obtectis. Folia 13-1 une. longa, 4 lin.—l 
une. lata. Pedunculus 6-10 lin. longus. Sepala 6 lin. longa. Drupe 
cortex flavus, nitidus. 


rdo IX. GERANIACE. 
1. Eropium, L’ Hérit. 


1. E. mALaporpEs (/Hilld. Sp. iu. p. 640). Caulescens vel subacaule ; 
foliis radicalibus ovatis, imtegris vel trilobatis, obtuse dentatis, basi 
cordatis, longe petiolatis, mcano-tomentosis; pedunculis 2-3-floris ; 
sepalis lanceolatis, acutis, 3-nerviis, dense pilosis; staminibus 5; stig- 
matibus 5; carpellis aristis barbatis.—H. Arabicum, Decaisne, Aun. 
Se. Nat. ser. 2. vol. m. p. 285. EE. bryoniefolium, Boiss. Diag. PI. 
Orient. 1. p. 61. 

Hab. Aden, in arenosis maritimis (Madden !), 

Distr. In Arabia Petrza! ad flumen Euphratem! in Persia! Beloochi- 
stan! Affghanistan! Punjab! Aigypto! 

Herba perennis? depressa, incano-tomentosa. Corolla purpurea. 


Ordo X. ZYGOPHYLLACEZ. 
1. Fagonta, Tourn. 


1. F. crnrica (Linn. Sp. p. 386; var. subinermis, T. Anders.). Caulibus 
erectis, patulis vel divaricatis ramosis ; foliis paucis, sumplicibus, raris- 
sime trifoliolatis, ellipticis vel linearibus, obtusis vel acutis, mucronu- 

-latis, carnosis, subsessilibus ; stipulis variabilibus, plerumque parvis 
imconspicuis seu longis gracilibus, acute spmescentibus; pedunculo 
tenui, defiexo, unifloro ; capsula acuminata, subglabra.— F’. Hispanica, 
Linn. Sp. p. 386; F. Arabica, Linn. l. c.; F. glutinosa, Delil. Fl. Kg. 
p. 86, t. 28; F. mollis, Delil. J. c. p. 76, t. 27. f. 2; F. latifolia, Delil. 
l.c. p. 86, t. 28. f.3; F. cistoides, Delil. m herb. Bové, n. 169; F. Myso- 
rensis, Roth, N. Sp. p.215; F. Oliveri, DC. Prod. i. p. 704; F. Persica 
DC. l.c.; F. Bruguieri, DC. 1. c.; F. acerosa, Boiss. Diag. Pl. Or. 
vill. p. 124; F. Aucheri, Boiss. l.c. 1. p. 62; F. echinelia, Boiss. 1..c. 
vil. p. 123; F. grandiflora, Boiss. l.c. p. 121; F. Kahirana, Boiss. 
l.c. p. 122; F. myriacantha, Boiss. 1. c. p. 123; F. parviflora, Boiss. 
l.c. p. 124; F. Sinaica, Boiss. l.c.i. p. 61; F. subinermis, Boiss. 
_l.c. p. 62; F. Thebaica, Boiss. l. c. vii. p. 121; F. Californica, 
Benth. Bot. Sulph. Voy. p. 10; F. Chilensis, Hook. et Arn. in Bot. 


12 FLORULA ADENENSIS. 


Mise. i. p. 165; F. virens, Coss in Kralik. Pl. Alger.; F. fruticans, 
Coss, 1. c.; F. diversifolia, Boiss. in Pl. Or. nov. ser. vol. ii. p. 113. 
Hab. Aden, in locis arenosis convallium (Edgew., Hook. fil. et T.! T. 

Anders.). 
Distr. In Europa Mediterraneana! Africa ab Algeria usque ad caput 
Bonz Spei! Asia tropica et calidiore tota! Chili! California! 


I have devoted several days on two occasions to the examination of a 
most extensive suite of authentic specimens of the many described species 
of this genus, and both times I arrived at the same conclusion—that there 
is but one species. The Kew Herbarium contains about 400 specimens of 
Fagonia; and these I attempted to divide into De Candolle’s two sections, 
of leaves simple and leaves trifoliolate. The result of this first apportioning 
was, that the one-leaved section contained only ten specimens, while 390 
remained in the section with trifoliolate leaves. The ten simple-leaved 
specimens belonged to the following species: 2 of F. cretica, Linn.; 1 of 
F. Oliveri, DC. ; 2 of F. myriacantha, Boiss. ; 1 of F. parviflora, Boiss., and 
4 of F. subinermis, Boiss. The remaining 390 specimens, all of which 
were more or less trifoliolate, included all the described species of Fagonia. 
The next step was the selection from the 390 specimens of all the indivi- 
duals in which trifoliolate leaves alone occurred. These amounted to 123 
specimens, leaving 267 as intermediate with the simple-leaved and trifoliolate 
sections. These 123 specimens, in which every leaf was trifoliolate, com- 
prised the following species entirely :—F’ latifolia, Delil.; F. mollis, Delil. ; 
F. cistoides, Delil.; F. glutinosa, Delil.; F. Kahriana, Boiss.; F. gran- 
diflora; Boiss.; F. virens, Coss; F. Chilensis, Hook. et Arn. ; F. Califor- 
nica, Benth., and in part F. cretica, Linn.; F. Arabica, Linn., and F. 
Sinaica, Boiss. Only one specimen, however, of F. Arabica, Linn., and a 
few of F. cretica, Linn., had wholly trifoliolate leaves. The remaining sec- 
tion, of 267 specimens having both simple and compound leaves, consisted 
almost entirely of F. cretica, Linn. ; and of F. Arabica, Linn., with F. Si- 
naica, Boiss., and F. parviflora, Boiss., with the exception of one specimen 
of each, and included the whole of F. Bruguieri, DC., F. Thebaica, Boiss., 
and F. echinella, Boiss., F. diversifolia, Boiss., F.fruticans, Coss, and F. 
Mysorensis, Roth. The form and size of the leaves and stipules are also 
most variable; im some specimens the leaves are nearly absent, and their 
place is supplied by the long and hard spiny stipules; in others, such as 
F. subinermis, Boiss., and in the plant from Aden, the leaves are for the 
most part simple with inconspicuous stipules, but in some states of this 
variety, as well as the other so-called species, the leaves are nearly elliptical, 
and the spines exceed the leaves in length. The shape and relation of the 
parts of the flower and fruit vary but little, though in a few cases there is 
some variation, of the extremes of which, Boissier has constituted two 
species under the names F. grandiflora and F. parviflora. There is also 
great difference in the amount of general pubescence; it varies from 
nearly perfect smoothness to viscosity, as in the states /, glulinosa, Delil., 
and F, mollis, Delil., and some specimens of F’. latifolia, Delil. The species 


FLORULA ADENENS!S. 13 


from North and South America, described as F. Chilensis and I. Califor- 
nica, do not differ in any respect from many states of F’. cretica, to which 
T unite them. In F. Californica the spiny stipules are very short, and the 
sepals somewhat more lanceolate and a little longer than in the mass of 
specimens of F. cretica; but there is in the Hookerian Herbarium a spe- 
cimen from Arabia Petreea which it is quite impossible to distinguish from 
the Californian specimens, Dr. Hooker has also been unable to find per- 
manent characters by which to distinguish any of the described species 
from F. cretica, and he agrees with me in considering all as varieties of one 
variable species. 


2. ZyaoPHyLuum, Linn. 


1. Z. SIMPLEX (Linn. Mant. p. 68). Caule prostrato, dichotomo, dif- 
fuso; foliis sessilibus, simplicibus, cylindricis, carnosis, obtusis; floribus 
parvis, solitariis, pedunculis brevissimis, in fructu deflexis; sepalis 
obovatis, apice cucullatis ; petalis spathulatis, patentibus ; capsulis ob- 
longis, subrotundis, 5-angulis, rugosis, loculis 2—5-spermis.—Z. por- 
tulacoides, Forsk. Descr. p. 88. 

Hab. Aden, ubique in arenosis (Edgew., Hook. fil. et T.! Madden! 
T. Anders.). 

Distr. In Arabia Petrea! et Felici! Scinde! Agypto! Africa occid. ! 
insulis Capitis Viridis ! 

Subherbaceum, perenne ? viride, carnosum. Caulis rubescens. Flores 
parvi, numerosi, flavi. 


Subclassis II. Calyciflore. 
Ordo XI. RHAMNEZ. 
1. Zizypuvs, Tourn. 


1. Z. Lotus (Lam. Dict. iu. p. 318), Ramulis spinosis, gracilibus ; foliis 
ovatis, trinervils, obsolete crenatis, subtus molliter tomentellis, aculeis 
bivis, breviore recurvo, altero recto, petiolo longiore ; floribus geminis, 
axillaribus ; pedunculo petiolo multo breviore, deflexo ; stylis duobus ; 
ovariis bilocularibus; drupis subglobosis. 

Hab. Aden (Hook. fil. et T. !) 

Distr. In Arabia Petrea! Affghanistan! Algeria! Hispania! 

Arbuscula. Cortex albidus. Folia 6 lin.-1% unc. longa, 4 lin.-1 in. 
lata; petiolus 6 lin. longus. Flores inconspicui. Drupa solitaria, 
magnitudinis cerasi. 


Ordo XII. TEREBINTHACE. 


1. BatsaMopENDRON, Kunth. 


1. B. Opapatsamum (Kunth, Gen. Terebinth. p.16; var. glabra, Hook. 
fil. in Herb. Hook.). Glabrum, foliis bi- trijugis, rarissime simplicibus, 


¥V 


: 


14 FLORULA ADENENSIS. 


integris ; foliolis lateralibus ovatis, terminali obovato; calyce persis- 

tente, campanulato, 4-dentato ; petalis obovatis ; staminibus 8, zequi- 

longis; stylo antheris breviore ; stigmate tetragono, obtuso. Fructu 
, ovato, acuto, glabro, m sicco tetragono, biloculari, monospermo. 

Amyris Opabalsamum, Forsk. Descr. p. 79. B. pubescens, Stocks in 
Bombay Trans. 1847, et Journ. of Bot. i. p. 264. 

Hab. Aden, in monte Jibeel Shumshum, ad alt. 1500 ped. (Hook. jil.!). 

Distr. In Arabia Felici! Beloochistan ! 

Arbor mediocris, 15-pedalis, inermis, balsamifera. Truncus basi incras- 
satus. Rami divaricati, cortice cinereo, levi, tenui. Flores monoici, 
in apice ramulorum brevissimorum aggregati, subsessiles vel breviter 
pedunculati. Corolla rubra. Lignum, cortex, fructusque odorem 
balsamineum emittentes. 


Dr. Stocks, in the ‘ Bombay Transactions ’ for 1847, says that this tree 
produces a gum of no value, and that the resin of commerce is yielded by 
Balsamodendron Mukul, Hook. 


Ordo XIII. MORINGEA. 
1. Morinea, Juss. 


1. M. aprera (Gartn. Fruct. ii. p. 315). Ramis divaricatis, nudis ; foliis 
ad raches reductis ; rachibus bi- tripinnatis, 4-8-jugis, deflexis ; foliolis 
ovatis, obtusis, integris; paniculis erectis, axillaribus; floribus her- 
baceis, glaucis, pedicellatis ; pedicellis bracteolatis, articulatis ; calyce 
5-partito, segmentis imbricatis, subeequalibus, oblongis; petalis ob- 
longo-linearibus, reflexis ; stamimibus 10, meequalibus; antheris uni- 
locularibus ; ovario libro, stipitato, 3-suleato; fructu leguminiformi, 
longe rostrato, ad apicem inter semina valde constricto; legumi- 
nibus obscure trigonis, 3-valvis, valvis extus longitudinaliter bisulcatis, 
3-fastigiatis ; seminibus turbinatis, trigonis, pendulis ; testa crustacea. 
M. Zeylanica, Linn. Sp. Plant. p. 546, et Delil. Hyperanthera, Forsk. 
Desc. p. 67. Balanus myrepsica, Belon, Obs. p. 126. 

Hab. Aden, spontanea in vallibus saxosis prope locum “ Steamer 
Point ” dictum (T. Anders.). 

Distr. In Arabia Petreea! Syria! Muscat! Augypto superiore ! 

Arbor Arabica, 10-12-pedalis. Cortex cinereo-fuscus. Ramuli juniores 
virides. Raches sepissime foliola gerentes, pedales. Corolla pallide 
flava. Fructus 8 unc.—1 ped. longus, deflexus. Semina oleaginea. 


The seeds of this tree are said by Decaisne to yield the Ben oil of com- 
merce; and he quotes the old traveller Belon as his authority. Guibourt 
also says that the true Ben oil is derived from M. aptera, Gartn.; and 
De Candolle, who, however, doubts the distinctness of the species from M. 
pterygosperma, is of the same opinion, Lindley and Simmonds, and more 
recently Major Drury in India, agree in considering M. pterygosperma 
as the source from which the oil is obtained. Guibourt also mentions 


FLORULA ADENENSIS. i 


an oil procured from this species. In the Museum of Economic Botany 
at Kew, there are specimens of an oil from the West Indies, Honduras, 
and also from Madras, extracted from the seeds of M. pterygosperma, and 
in every respect identical with the true Ben oil. In India the natives use 
this bland inodorous oil for retaining the perfume of delicate flowers, such as 
jasmine. It seems that both species therefore yield an oil similar in every 
respect, but that Ben oil was originally obtamed from M. aptera. This is 
the more probable from “Ben,” or “ Ban,” the Arabic name for the oil, 
being coextensive in use with the geographical distribution of the Aden 
species. In India the oi! of M. pterygosperma is called “ Soujhna,” the 
word “‘ Ben” being there unknown. Linneus seems to have considered the 
two as varieties of one species, as in the 3rd edition of the ‘ Species Plan- 
tarum,’ p. 546, under M. Zeylanica, he remarks, “ Semina ex Asia tribus 
membranis longitudinaliter alata fuere ; ex Africa vero membranis caruere.” 


Ordo XIV. LEGUMINOS. 


Subordo PAPILIONACES. 


1. ARGYROLOBIUM, Kick. et Zey. 


A. ARABICUM (Jaub. et Spach, Ill. Pl. Or.i.p.115). Ramis diffusis, gra- 
cilibus, teretibus, pilis adpressibus sericeo-pilosis; foliis trifoliolatis ; 
foliolis plerumque linearibus, seepe ovatis, margine revolutis; floribus 
pedunculatis, petiolis brevioribus, bifloris; calyce adpresse sericeo, 
segmentis lanceolatis, oblongis, acutis; corolle vexillo subrotundo, 
emarginato, alis cultriformibus, obtusis ; leguminibus linearibus, stri- 
gosis, undulatis, rostratis, stylo persistente acuminatis; seminibus 
6-10, lenticularibus.—Cytisus Arabicus, Dene. Ann. Sc. Nat., ser. 2. 
vol. iv. p. 78. 

Hab. Aden, rarissime (Hook. fil. et T'!). 

Distr. In insula Neymen in Mare Rubro! 

Suffrutec diffusus, ramosus, sericeo-pilosus. Foliola 2-6 lin. longa, 
plerumque angusta, linearia; petiolus 4—6 lin. longus. Pedunculi 
axillares, bracteolati. Bracteole parve, lanceolate. Corolla flava, 
glabra, ealyce longior, 3 lin. longa. Stamina 10,monadelpha. Stylus 
filiformis, persistens, glaber. Legumen 1% unc. longum, | lin. latum, 
basi calyce persistente vestitum. 


Judging from the description only, A. Botte, Jaub. et Spach, from Jed- 
dah, is probably the same as this species. 


2. InpIcoFERA, Linn. 


1. AraBica (Jaub. et Spach, fll. Pl. Or. vy. t. 479). Argentea, sericea, 
ramulis diffusis ; foliis 3-5-jugis vel trifoliolatis ; foliolis oblongis, obo- 
vatis, mucronulatis, oppositis, stipulis subulatis, minimis ; racemis axil- 
laribus, multifloris, foliis brevioribus ; calycibus profunde 5-fidis, seg- 


16 FLORULA ADENENSIS. 


mentis subulatis, setaceis ; vexillo oblique obovato, breviter unguicu- 
lato, dorso sericeo, intus glabro, carina oblonga, biunguiculata ; le- 
guminibus planis, oblongis, cuspidato-acuminatis, valvis carinatis. 

Hab. Aden, in saxosis (Hook. fil.!). 

Distr. In Yemen, provincia Arabiz Felicis! ad ‘ Wade Katte”’ in Ara- 
bia Petrzea! 

Suffruticulus decumbens, 2-5-pollicaris, omnino sericeus. Folia petio- 
lata; petiolus 3 lin. longus. Foliola 1-2 lin. longa. Racemi breviter 
pedunculati. Flores conferti, fructu deflexi. Corolla coccmea. Cap- 
sula-2—-5-sperma. Semina leevia, nitida. 


This plant is described by Jaub. and Spach as being sometimes one foot 
long; the specimens I have seen are all small and stunted, ranging from 
two to five inches in length. 


3. Pogonostiema, Boiss. 


P. AraBicum (Boiss. Diag. Pl. Or. 1. p. 39). Ramis adscendentibus ; 
foliis petiolatis, stipulatis, plerumque bijugis, foliolis oppositis, lineari- 
oblongis vel lanceolatis, mucronatis, supra molliter pubescentibus, 
subtus sericeo-tomentosis, racemis elongatis ; calycis segmentis subula- 
tis, acutis; leguminibus suborbicularibus, acutis, stylo persistente longe 
apiculatis, monospermis.—Psoralea Arabica, Hochst. in Schimp. PI. 
Arab. n. 775. Catacline sericea, Edgew. in Journ. Asiat. Soc. Bengal. 
vol. xvi. p. 1214. 

Hab. Aden (Edgew., Madden! Hook. fil. et T.! T. Anders.). 

Suffrutez 1-2-pedalis, sericeo-tomentosus. Folia 3-14 unc. longa; 
foliola 2-6 lin. longa, terminale geminum, fere duplo longius. Racemi 
subaphylli. Flores solitari vel gemini; pedicellus 1-2 lin. longus. 
Calyx sericeus. Corolla calyce longior; vexillum extus. sericeo-hir- 
sutum, purpureum. Semen olivaceum, 1% lin. longum. 


4. TrpHrosta, Pers. 


T. Apouuinea (DC. Prod. u. p. 254). Suffruticosa, diffusa, amulis 
suberectis ; foliis petiolatis, 3-4-jugis; foliolis oblongo-lanceolatis, 
cuneato-oblongis; floribus racemosis vel 3—4 axillaribus, pedunculis 
brevibus; calyce campanulato, dentibus subulatis; corolla calyce 
longiore ; leguminibus patulis, linearibus, rostratis, planis, pubes- 
centibus, 5—12-spermis.—Galega Apollinea, Delil. Fl. Mig. p. 144, 
t. 53. f. 5. 

Hab. Aden, in rupibus (Hook. fil. !). 

Distr. In Arabia Felici et Petraea! Scinde! Abyssinia! Higypto supe- 
riore ! 

Suffrutex incano-tomentosus, stipulis subherbaceis, acute subulatis. 
‘olia 1-2 une. longa; foliola }-1} unc. longa, 14-4 lin. lata, petiolo 
longiora. Corolle vexillum extus sericeum, purpureum. Legumen 
4-3 une. longum, 2-3 lin. Jatum. 


FLORULA ADENENSIS. Wy 


5. Taverntera, DC. 


1. T. Guauca (Edgew. in Journ. Asiat. Soc. Bengal, xvi. p. 1214). * Gla- 
berrima ; foliis unifoliatis, carnosis, glabris, glaucis, rhomboideo-ovatis, 
suborbiculatis, emucronatis ; stipulis 2, parvis, scariosis, cuneatis, acutis ; 
racemis 5-10-floris; bracteis pedicello brevioribus, acutis, margine 
membranaceis ; staminibus apice geniculatis, alternis brevioribus, deci- 
mo recto, multo breviore, geniculum vix attingente ; legumine 2-arti- 
culato, setis introrsum arcuatis hispido.”’ 

* Next to T. lappacea, DC. i. p. 339. Differs in smoothness, and the setz 
of the legume are scarcely hamose; the stamens are more geniculate than 
is allowed to the generic character as given by DC. The pods are con- 
cealed by the withered, scarious, persistent petals.” 

“ Vexilla magna, concava, per anthesin reflexa, subcarinata, breviter emar- 
ginata et calloso-mucronulata. Ale anguste, faleatze, ellipticee, basi 
truncato-auriculatez, ungue brevi tenui vexillo plus duplo breviore. Ca- 
rina vexillo major, obtusa. Stylus longus, basi tortuoso- geniculatus, 
filiformis, stigmate punctiformi apicali.’’ No one has seen a Taverniera 
at Aden, except Mr. Edgeworth ; and I know nothing of his plant, ex- 
cept from the description which I have quoted. If not identical with 
T. glabra, Boiss. (Diag. ii. p. 90), it is probably closely allied to it. 


G. Riayncnosia, Lour. 


1. R. PULVERULENTA (Stocks nm Kew Journ. of Bot. iv. p. 147). Mol- 
liter subincana; ramulis teretibus ; foliis trifoliatis, petiolatis ; foliolis 
super velutinis, subtus reticulato-venosis, lateralibus oblique subrotun- 
dis, obtusis, subsessilibus, termimalibus rhomboideis, petiolatis; flo- 
ribus axillaribu:s, racemosis vel subsolitariis ; racemis abbreviatis, 3—-7- 
floris ; bracteis pedicello paulo brevioribus; calycis segmentis subu- 
latis, acutis, inferiore czeteris longiore ; leguminibus deflexis, basi at- 
tenuatis, faleatis, tomentosis, dispermis ; seminibus ovatis, leevibus. 

Hab. Aden, in vallibus arenosis prope littus (Hook. fil. et T.! T. Anders.). 

Distr. In Scinde! 

Suffruticulus perennis. Caulis, in exemplis Arabicis, subprostratus seu 
volubilis. Vexillum extus subpubescens, flavum, 2 lin. longum. Legu- 
men 6-8 lin. longum, 2 lin. latum, Semina fulva, punctis nigris notata. 

This species is nearly allied to R. Memnonia, DC., but differs from it in 

the inflorescence, the iength of the teeth of the calyx, and the colour and 
markings of the seed. In R. Memnonia the pubescence is more silvery- 
white, the leaves are more distinctly veined, and the pods are darker- 
coloured and broader than in R. pulverulenta. 


Subordo C MSALPINES. 
7. Cassta, Linn. 


1. C. puBescens (R. Br. in Salt, Abyss. App.). Caule adscendente, 
obscure striato; foliis 6-9-jugis; foliolis oppositis, ovatis vel ovato- 
LINN. PROC.—BOTANY, VOL. V. SUPPLEMENT. C 


18 


FLORULA ADENENSIS. 


oblongis, apice obtusis, rotundatis, emucronatis seu mucronulatis ; 
petiolis eglandulosis ; racemis axillaribus, multifloris, folio brevioribus ; 
floribus breviter pedicellatis, bracteatis; bracteis subulatis, caducis- 
simis; ovariis pubescentibus; stylis glabris; leguminibus oblongis, 
subreniformibus, utrinque rotundatis, falcatis, dense velutinis, 2-8- 
spermis; seminibus cuneiformibus, obtuse bilobatis, caudatis.—C. 
Sehimperi, Steudel, Nomencl. Bot., ed. 2, i. p. 307; C. pubescens et 
C. tomentosa, Ehrbg. et Hemp.; C. cana, Wender. Linnea, xii. p. 19. 


Hab. Aden, in locis saxosis et glareosis (Hook. fil. et T.! T. Anders.). 


Distr. In Arabia Felici in regione “‘ Tehama” dicta! Scinde! 


2. C. opovaTA (Coll. Mon. p. 92). Caule erecto, striato; foliis 3-7- 


jugis, petiolis eglandulosis; foliolis oblique ovatis vel cuneato- 
oblongis, apice rotundatis obtusisve, plus minus mucronatis, glaucis ; 
racemis axillaribus, plerisque folia superantibus, multifloris; floribus 
breviter pedicellatis, pedicellis apice incrassatis ; sepalis subzequalibus ; 
corolla calyce duplo majori; antheris longe Imearibus; ovariis sub- 
glabris ; stylis glabris ; leguminibus subreniformibus, compressis, utrin- 
que obtusis, ad medium tumido-cristatis, 6-9-spermis, valvis trans- 
versim venosis.—C. Senna, Lam. Ill. t. 332. 


Hab. Aden (Hook. fil. et T.!). 
Distr. In Arabia Felici! Scinde! Pen. Ind. orient.! Abyssinia! Aigypto ! 


Africa centrali! Senegambia! Jamaica! Texas! 


Suffrutex, species precedente robustior, glaucus, partibus novellis pru- 


inoso-glandulosis. Folia 2-5 unc. longa; stipule lanceolate, acute, 
demum reflex, persistentes; foliola 3-1 unc. longa, 3-5 lin. lata. 
Sepala glabra, nigrescentia, 4 lin. longa. Petala ovato-oblonga, ob- 
tusa, lineis nigro-purpureis notata, 5 lin. longa. Legumen stylo re- 
voluto persistente apiculatum, glaucum, pilis simplicibus sparsissime 
obtectum, 1-14 unc. longum, 6-7 lin. latum. 


Subordo MimoseEz. 
8. Acacia, Neck. 
Ser. Gummifere, Benth 


§ Summibracteate, Benth. 


. A. EDGEWoRTHII (T. Anders.). Caule glauco, ramulis novellis seepe 


puberulis; petiolis subtomentosis; spinis rectis, longis, albescen- 
tibus vel puberulis; pimnis 4-jugis; foliolis 6—10-jugis, linearibus, 
obtusis, minute pruinosis; pedunculis folio brevioribus; leguminibus 
linearibus, falciformibus, crassis, tomentosis, obscure striatis, 14-sper- 
mis.—A. erioloba, Edgew.? Journ. Asiat. Soc. Bengal, xvi. p. 1215, 
non Benth. 


Hab. Aden, frequenter (Edgew., Hook fil. et T.! T. Anders.). 


FLORULA ADENENSIS. 19 


Arbuscula ab A. Farnesiana foliis legumimibusque differens. Legumen 
5 une. longum, 4 lm. latum. 


§ Medibracteate. 


2. A. EBURNEA (Willd. Spec. iv. 1081). “ Ramulis foliisque ferrugmeo- 
villosulis; spinis rectis, nonnullis longis, eburneis; pmnis 2—4-jugis, 
parvis, glandula petiolari majuscula ; foliolis 6-8-jugis, minimis, linea- 
ribus, obtusis, hirtellis ; pedunculis axillaribus, medio bracteatis ; legu- 
mine stipitato, anguste lineari, faleato, subplano, glaberrimo.” 

Hab. Aden (Hook. fil. et T.! T. Anders.). 

Distr. In Affghanistan! India orientali! Ceylania! 

Folia spinis sepius breviora; pinne vix 2 lin. longe; foliola conferta, 
+ lin. longa. Legumen 2-3 poll. longum, circa 2 lin. latum, glauces- 
cens. 


As all the specimens of this species from Aden are in leaf only, I have 
given Mr. Bentham’s description in the ‘ London Journal of Botany,’ vol. 1. 
p- 501. 


Ser. Vulgares. 
§ Dicanthe. 


' 3. A. HAMULOSA (Benth. in Lond. Journ. of Bot. i. p. 509). Caule 
cinereo ; ramulis rubescentibus; aculeis ternis, infrastipularibus rectis, 
infrapetiolari hamoso reeurvo; petiolis aculeatis; pmnis 2-3-jugis, 
inferioribus suboppositis seu alternis; foliolis 3-6-jugis, oblique ob- 
longis, obtusis, glabris; pedunculis axillaribus, demum folio longiori- 
bus; spicis laxis ; legumime ovato, lineari, utrinque rotundato, mucro- 
nulato, indehiscente; valvis membranaceis, planis, glabris. 

Hab. Aden, in vallibus (Hook. fil. et T.! T. Anders.). 

Distr. Jeddah in Arabia Felici ! 

Frutex 8-pedalis, divaricatus, aculeis acutis horridus. Aculei veteres 
nigrescentes. Folia 1-13 unc. longa. Pedunculi leguminiferi, 2} une. 
longi. Legumen 3} unc. longum, 13 unc. latum. 


Ordo XV. CUCURBITACE#. 
1. Cucumis, Linn. 


1. C. PropHETARUM (Linn. spec. 1436). Prostratus, albido-pruino- 
sus, scaber; caulibus tetragonis, striatis, flagellatis; foliis plerisque 
3-5 palmato-lobatis, rigidis, fragilibus; cirris simplicibus; floribus 
solitariis, axillaribus; peponibus ovoideis, muricatis—C. Arabicus, 
Del. in Cat. Hort. Monsp.; C. amarus, Stocks m Herb. Hook.; C. 
anguinus, Forsk.? Descr. p. 168. 

Hab. Aden, in locis arenosis (Hook. fil. et T.! T. Anders.). 

Distr. In Arabia Petrzea' Muscat! Scinde! Africa centrali! gypto! 

c2 


20 FLORULA ADENENSIS. 


Annuus? ramuli graciles, angulati, fragiles, albi, punctis scabris pruinosis 
reflexis. Folia polymorpha et magnitudine variabilia, ovata vel cor- 
data, plerumque 3-5-lobata vel subintegra, subtus reticulato-venosa. 
Peponis pulpa amara. 


2. Crtrutius, Neck. 


1. C. CoLocyntuis (Arn. MSS. in Wight Icon, t. 498). Caulibus 
longissime prostratis, angulatis, sulcatis, angulis tuberculis asperis 
scabris; cirris simplicibus, exaxillaribus; foliis multifido-dissectis, 
supra glabris, subtus tuberculis prominentibus hispidis, albidis; flori- 
bus femineis in ultimis flagellis, breviter pedunculatis, calyce hirsuto ; 
peponibus globosis, glabris.—Cucumis Colocynthis, Linn. 

Hab. Aden, secus littus (T. Anders.). 

Distr. In Seinde! Punjab! Ceylania! Agypto superiore! Algeria! His- 
pania! Senegambia! insulis Canariensibus! insulis Capitis Viridis! 
Asper tuberculis hispidis; flagelli (ramuli) 1-43 ped. longi, arenam ad- 

pressi. Flores conspicui, viridi-flavi. Pepo amarus. 


Ordo XVI. PORTULACE. 
1. Trrantuema, Linn. 


1. T. crySTALLINA (Vahl; Symb. i. p. 32). Prostrata, diffusa, papu- 
losa; caule fruticoso, tereti; foliis oppositis, spathulatis, ovalibus ; 
floribus axillaribus, congestis; staminibus quinque; stylo uno; cap- 
sulis dispermis, operculo cyathiformi.— T. triquetra, Rottl.; Papularia 
erystallina, Forsk. Descr. p. 69. 

Hab. Aden (T. Anders.). 

Distr. In Arabia Felici! India orientali tota! 


2. Oryata, Forsk. 


1. O. DEcuMBENs (Forsk. Descr. p. 103). Caule prostrato seu suberecto, 
tereti; foliis alternis, ovatis, acutis, petiolatis; petioli basi margine 
scariosa; racemis laxis, terminalibus, rarissime axillaribus; bracteis 
subulatis, scariosis, suboppositis ; calyce 5-partito, persistente ; petalis 
et staminibus plurimis ; capsulis globosis, 5-valvis, polyspermis.—Por- 
tulaca decumbens, Vahl, Symb. i. p. 33. Talinuwm decumbens, Willd. 
Spec. i. p. 864. 

Hab. Aden, a littore ad altitudinem 1000 ped. in montem Jibeel Shum- 
shum (Edgew. Hook. fil. !). 

Distr. In Arabia Felici! Scinde! Pen. Ind. orient.!, Africa australi! 

Fruticosa, decumbens. Caulis 3-10 unc. longus, glaber. Folia subfari- 
nosa, 4 lin.—l une. longa, 2-6 lin. lata. Sepala acuta, marginibus 
scariosis. Corolla violacea. 


FLORULA ADENENSIS. 21 


Ordo XVII. UMBELLIFERZ. 


1. Prycuotis, Koch. 


1. P. Arasica (T. Anders.).  Puberula, caule erecto; foliis gracili- 
petiolatis, pinnatis vel bipinnatis; segmentis ternatis, profunde lobatis, 
lobis cuneatis, 3-4-fidis ; radiis 5-8; involucris pentaphyllis, laciniis 
setaceis, subulatis, acutis; involucellis 3-5-phyllis; petalis minutis, 
squamzformibus, apice mucronatis, mucrone involuto; carpellis 5-7 ? 
costatis, costis glanduloso-hirsutis. 

Hab. Aden, in cacumine montis Jibeel Shumshum (Hook. fil. !). 

Herba pusilla, 2-4-uncialis. Caulis teres, pilis patentibus puberulus. 
Folia herbacea, subtomentosa seu glabra. Flores inconspicul, in siccis 
albi. Fructus maturus ignotus. 


Ordo XVIII. RUBIACEZ. 
1. OtpENLaANDIA, Linn. 


1. O. ScuimpeERti (T. Anders.). Caule adscendente vel subdecumbente, 
scabro-glanduloso; ramulis virgatis, sparse foliatis; folius linearibus, 
acutis, margine revolutis, mucronatis, obscure glandulosis;_ stipulis 
membranaceis, setis 3, subulatis; cymis terminalibus; calycis seg- 
mentis brevibus; corolle tubo longissimo, gracili; capsulis subglo- 
bosis, truncatis. — Kohautia Schimperi, Hochst. et Steud. im PI. 
Schimp. n. 879 ; Hedyotis sp.?, Edgew. Journ. Soe. Asiat. Bengal. xvi. 
p. 1216. 

Hab. Aden, in arenosis (Edgew., Madden! Hook. fil. et T.! T. An- 
Gers.). 

Distr. In Arabia Petrza! in regione Tehama Arabiz Felicis! Muscat! 

Perennis, 1-13-pedalis, glabra seu scabrido-glandulosa. Folia 6-9 lin. 
longa, 3-1 lin. Jata; corolle tubus 5-6 lin. longus; limbus 3-4 lin. 
latus. Corolla fulva. 


I agree with Mr. Bentham in following Asa Gray in uniting Kohautia 
with Oldenlandia, a genus distinguished from Hedyotis by the dehiscence ; 
which is loculicidal in Oldenlandia, and septicidal in Hedyotis. 


Ordo XIX. COMPOSITE. 
Subordo TUBULIFLOR2. 


1. Vernonia, Schreb. 


1. V. aTRIPLICIFOLIA (Jaub. et Spach, Ill. Pl. or. t. 359). Suffruti- 
cosa, ramosa, pilis adpressis incana; folis petiolatis, carnosis, infimis 
spathulatis, integerrimis, superioribus ovatis vel sublinearibus, cuneatis, 
rhomboideis, dentatis, rarissime bidentatis, subsessilibus; mvolucris 


22 FLORULA ADENENSIS. 


5-6-seriali-imbricatis, squamis omnibus inzequalibus, exterioribus sub- 
coriaceis, acutis, subpuberulis; acheniis abbreviatis, truncatis, hirsutis ; 
pappo biseriali, exteriore brevissimo, setis lanceolatis, interiore corol- 
lam zquante, setis albidis, aristatis. 

Hab. Aden, a littore ad cacumen montis Jibeel Shumshum (Edgew. 
Hook fil. et T.! T. Anders.). 

Distr. In Arabia Felici. 

Suffrutex perennis. Caulis lignosus, 6-une.—l-pedalis. Involucrum paulo 
variegatum, pallide violaceum. Corolla 1-2 lin. longa, violacea, 


2. VartHEmia, DC. 


1. V. AraBica (Boiss. Diag. vi. p. 74). Suffruticosa, glanduloso-tomen- 
tosa, ramulis apice corymbosis ; foliis lanceolatis, basi attenuatis, apice 
mucronulatis, integris, utrmque puberulis; pedunculis terminalibus, 
cymosis; involucri squamis lanceolatis, acutis, adpressis, exterioribus 
brevibus, subulatis; acheniis subhirsutis; pappo biseriali, setis ex- 
ternis brevissimis, rigidis, internis 15-barbatis. 

Hab. Aden, prope mare (Hook. fil.). 

Distr. In Muscat ! 

Species distincta. Suffrutex perennis, 8-unc.—l-pedalis, foliosus, Folia 
1-14 unc. longa, 1-2 lin. lata. Corolla flava. Sete exteriores acheniis 
triplo breviores. Achenium § lin. longum. 

De Candolle describes Varthemia as having the pappus uniserial ; in five 

species that I have examined, in addition to the original species V. Persica, 
the pappus is in two rows, the outer consisting of short rigid setz. 


3. Ipntona, DC. 


1. I. scapra (DC. in Ann. Sc. Nat. sér. 2. ii. p. 263). Glandulosa, 
scabra, caule ramosissimo folioso; foliis lineari-lanceolatis, subpungenti- 
acutis, szepissime integris, interdum dentatis ; floribus corymbosis ; m- 
volucris imbricatis, lineari-lanceolatis, membranaceis, glabris ; achentis 
sericeo-hirsutissimis, striatis; pappo multiseriali; setis aristoideis, 
barbatis. 

Hab. Aden, frequentissime (Madden! Hook. fil. et T.! T. Anders.). 

Distr. In Arabia Petrzea! Muscat ! 

Species in forma foliorum variabilis. Folia in plerisque rigida, spines- 
centia, in nonnullis herbacea. 


4. Hocusterrerta, DC. 


1. H. Scutmperi (DC. Coll. Mem. ix. t. 6). Caule erecto, striato, 
glabro, basi interdum gossypino- tomentoso ; foliis ovatis, mucronatis, 
basi in petiolum attenuatis, obscure serratis, margine scabris ; floribus 
1-2 in terminalibus ramorum ; involucris preemultis, lanceolatis, argute 
spinescentibus, apice serrato-barbatis, glabris, exterioribus demum re- 


FLORULA ADENENSIS. 23 


flexis ; acheniis apice truncatis, basi attenuatis, hirsutissimis ; pappo 
uniseriali, rigido. 

Hab. Aden (Hook, fil. et T.!). 

Distr. In Arabia Petra! Scinde! 

Herba annua? gossypino-tomentosa vel subglabra. Caulis striatus. Folia 
3-1 une. longa, 2-5 lin. lata; foliorum margo punctis asperis scabra. 
Involucri squame sub-3-costate. Flores aurantiaco-flavi. 


Subordo LIGULIFLOR2. 


5. BracHyrampuys, DC. 


1. B. pactrucorpes (T. Anders.). Glaber; caule adscendente, tereti, 
gracili ; foliis radicalibus obovatis, runcinatis, obtusis, margine dentato- 
ciliatis ; caulinibus amplexicaulibus, sagittatis, subtus glaucis ; floribus 
paniculatis ; paniculis laxis, multifloris, pedunculis gracilibus, filiformi- 
bus; bracteis minutis, scariosis; involucris imbricatis; squamis ex- 
terioribus parvis ovatis, margine scariosis, interioribus longe lneari- 
acuminatis; acheniis utrinque attenuatis, angulatis, tuberculatis, 
‘paulo adpressis; pappo pluriseriali, molliter piloso.—Lactuca Mas- 
savensis, C. H. Schultz in Schimp. Pl. Abyss. n. 1462. 

Hab. Aden (Hook. fil. et T.!). 

Distr. In Arabia Petrza? Beloochistan ! Abyssinia! 

The shape of the achenia and the sessile white and downy pappus re- 
move this plant from Lactuca, with which Schultes associates it. Though 
it much resembles some of the other species of Brachyramphus, it can at 
once be distinguished from them by its slender-pedunculated flowers and 
loose panicles. 


Subclassis III. Corolliflore. 
Ordo XX. APOCYNEA. 


1. ApentumM, Rem. et Sch. 


]. A. opesum (Rem. et Sch. Systema, ii. p. 411). Fruticosum, caudice 
ramisque crassis ; foliis ad apicem ramorum confertis, ellipticis, ovatis 
vel spathulatis, subpetiolatis, obscure mucronatis, integris, crassius- 
culis, eventis, glabris, subtus glaucis; pedicellis solitariis vel geminis, 
subaxillaribus terminalibusve, villosis ; floribus folio longioribus ; ca- 
lycis segmentis lanceolatis, villosis; corolla extus puberula, intus pu- 
bescente; limbi lobis rotundatis, obtusis.—Neriwm obesum, Forsk. 
Descr. p. 205; Pachypodium obesum, G. Don, Syst. Gard. iv. p. 80. 
Cameraria obesa, Spreng. Syst. i. p. 641. Adeniwm Hongel, Bot. 
Reg. xxxii. t. 54, non DC. Prod. viii. p. 412. 

Hab. Aden, in rupibus (Hook. fil. et T.! T. Anders.). 

Distr. In Arabia Felici! : 

Frutex \-3-pedalis, succo lacteo. Caudex globosus, crassus, carnosus, 


24 FLORULA ADENENSIS: 


ambitu 1-2 ped. Rami teretes, crassi, aphylli, dichotomi. Folia et 
flores in apice ramorum. Corolla purpurea, 14-2 unc. long.; lim- 
bus 1 une. latus. 


Ordo XXII. ASCLEPIADACEA. 
1. STEINHEILIA, Decaisne. 


1, S. RADIANS (Dene. in Ann. Se. Nat. sé. 2. ix. p.339) Incana, villosa, 
caule erecto ; foliis subreniformibus, acutis, serratis, pulcherrime varie- 
gatis, petiolatis ; pedunculis axillaribus, solitariis, multifloris ; flori- 
bus umbellatis, pedicellis brevibus; calycibus 5-partitis, segmentis 
lanceolatis, mcano-hirsutis; corolla calyce duplo longiore, glabra, 
limbo 5-fido, lobis erectis, lanceolatis, acutis, contortis, tubo 5 foveis 
instructo ; folliculo ovoideo, villoso.—Asclepias radians, Forsk. Deser. 
p. 49. 

Hab. Aden, rarissime, in arenosis (J. Anders.). 

Distr. In Arabia Felici! 

Herba perennis, odore mellis. Folia lurido-viridia, subtus violacea, 
1 une. longa, 13 une. lata; petiolus % une. longus. Pedunculus 
tomentosus, 1-2 une. longus. Corolla 5 lin. longa, violacea. Folli- 


culus abortu solitarius, carnosus. 


2. GLOSSONEMA, Decaisne. 


1. G. Boveanum (Dene. in Ann. Se. Nat. sér. 2. 1x. p. 335). Incanum, 
*folus lanceolatis vel ovato-lanceolatis, sinuato-dentatis, crispis, 
utrinque pubescenti-incanis ; corone squamis apice emarginatis, medio 
subulatis ; folliculis ovatis, attenuatis, spinis innocuis instructis.”— 
Gomphocarpus pauciflorus, Hochst. et Steud. in Pl. Schimp. n. 920. 

Hab. Aden (Edcaew.). 

Distr. In Arabia Felici! 

Herba perennis, incana. Folia opposita, linearia, lanceolata. Pedun- 
culi extra-axillares. Pedicelli basi bracteolis setaceis instructi. 

I have not seen Edgeworth’s specimen from Aden, and have therefore 

adopted Decaisne’s description, from the ‘ Annales des Sciences Naturelles, ’ 
and De Candolle’s ‘ Prodromus,’ vol. viii. p. 554. 


Ordo XXII. CONVOLVULACE. 
1. Convotve tus, Linn. 


1. C. GLomeRATUS (Chois., DC. Prod. ix. p. 401). Caulibus preemultis, 
prostratis, teretibus, gracilibus, pilis adpresssis pubescentibus ; fobiis 
hastato-lanceolatis, acutis, mucronulatis, petiolatis; glomerulis axil- 
laribus ; pedunculis folio duplo longioribus ; bracteis foliaceis, lanceo- 
latis, villosis, calyeem paulo superantibus; sepalis ovato-lanceolatis, fus- 
co-villusis ; corolla calyee longiore, glabra ; capsulis globosis ; | semi- 


FLORULA ADENENSIS. 25 
nibus glabris, levibus.—‘‘ Convolvulus capitatus, Vahl”? in Schimp. 
Pl. n. 731 et 784, sed non C. capitatus, Vahl. 

Hab. Aden (Edgew., Hook. fil. et T.!). 

Distr. Arabia Felici! Scimde! Abyssinia! 

2. C. sERICOPHYLLUS (T. Anders.). Cau!e suberecto ? ramulis strictis, 
sericeis, elongatis ; foliis lanceolatis, acutis, basi in petiolum attenuatis, 
utrinque incano-sericeis; floribus axillaribus, breviter pedunculatis, 
solitariis, geminis ternisve; bracteis parvis, subulatis; sepalis ovatis, 
sericeo-pubescentibus, submembranaceis; corolla calyce duplo lon- 
giore, extus sericeo-hirsuta ; capsula globosa, glabra. 

Hab. Aden (Hook. fil. et T.!). 

Suffrutex perennis, omnino incano-sericeus, 2-pedalis. Caulis et ramuli 
teretes, virgati. Folia 3 lin.—1 une. longa, 3-2 lin. lata. Pedunculus 
2 lm. longus. Culyz 1 lin. longus. Corolla 3 lin. longa. 

Species C. microphyllo (Sieb.) proxima, sed calyce et corolla parvis 
sepalisque obtusis facile distinguenda. 


2. Crussa, Linn. 


1. CressA LATIFOLIA (T. Anders.). Incano-tomentosa, pilis adpressis, 
caulibus et ramis subtortuosis, foliaceis; foliis ovatis, obtusis, integris, 
utringue incano-tomentosis; floribus ad apicem ramulorum, axil- 
laribus, solitarius, sessilibus; sepalis ovatis, acuminatis, tomentosis ; 
corolla calyce vix longiore, extus hirsuta; stamimibus inclusis; stylis 
paulo exsertis, ovariis hirsutis; capsula puberula; seminibus glabris. 
—Seddera latifolia, Hochst. et Steud. n.e84. Breweria evolvuloides, 
Chois. Convs. Or. p. 112. Seddera evolvuloides, Wight, Icon. t. 1369. 

Hab. Aden, ad altitudinem 800 ped. in montem Jibeel Shumshum (Hook. 
fil.). 

Distr. In Arabia Felici! Seinde! Pen. Ind. orient.! Abyssinia ! 

I can find no characters of sufficient importance to keep Seddera as a 
genus distinct from Cressa. The stamens, included in the dry specimens, 
are said not to be so im the living plant. Dr. Stocks, in a note on this 
species in the Hookerian herbarium, says that im the fresh plant the corolla 
is rolled back, so as to expose the stamens. Wight’s figure (Icones, 
t. 1369) is merely a glabrous state of this species, which Choisy referred 
to Breweria. 


Ordo XXIIT. BORAGINEZ. 
1. Hexiorropium, Towrn. 


1. H. srricosum (Willd. Sp.i. p. 743). Fruticulosum, radice lignoso ; 
caulibus erectis vel prostratis, ramosissimis, omnibus pilis adpressis 
strigosis, canescentibus; foliis ovatis-acutis vel linearibus, integris, 
margine revoluto, sessilibus; racemis terminalibus, laxis, elongatis, 
dissitifloris ; floribus subsessilibus, solitariis ; calycis segmentis ovatis, 
rotundatis, strigoso-pubescentibus ; corolla extus pubescente, calyce 


26 FLORULA ADENENSIS. 


paulo longiore; nucibus rotundatis, hirsutis— Heliotropium brevifo- 
lium et H. tenue, Wall. H. tenuifolium, R. Br. Prod. 494. H. fruti- 
cosum, Forsk. H. parvifolium, Edgew. in Journ. Asiat. Soc. Beng. 
xvi. p. 1216. 

Hab. Aden, a littore usque ad cacumen montis Jibeel Shumshum 
(Edgew., Hook. fil. et T.! T. Anders.). 

Distr. In regionibus tropicis orbis veteris, a Renegamiva ad Siam, etiam- 
que in regione tropica Australie. 


Ordo XXIV. SOLANACEA. 


1. Lycrum, Jinn. ' 


1. L. Europaum (Linn. Syst. ii. p. 28, e¢ T. Anders. in Annal. Nat. 
Hist., ser. 2, xx. p. 126). Fruticosum, cortice albido vel purpureo ; 
ramis spinescentibus, spinis teretibus ; foliis 2-5, ad basin spimarum 
fasciculatis, obovato-oblongis vel oblongo-cuneatis ; pedicellis e fasci- 
culis foliorum interdum geminis, plerumque solitariis, unifloris, calyce 
longioribus ; calyce breviter 5-dentato, glabro vel puberulo; corolla 
calyce duplo vel triplo longiore, anguste infundibuliformi, staminibus 
inclusis.—L. salicifolium, Mill. Dict. n. 3. L. indicum, Wight, Icon. 
t. 1403. L. Mediterraneum, Dun. in DC. Prod. xii. p. 523. LL. 
Edgeworthu, Dun. l.c. p. 525. L. orientale, Miers, Ill. S. Amer. Pl. 
p. 99. L. Persicum, Miers, 1. c. p. 100. 

Hab. Aden, secus littus (Hook fil. et T.! T. Anders.). 

Distr. In regione Mediterranea Europe et Afric! insulis Canari- 
ensibus! Arabia Felici! Scinde! Punjab! Pen. Ind. orient. ! 

Folia punctulata, 3-1 unc. longa. Spine axillares, nude, vel foliola j- 
1 unc. longa. Calyx 5-dentatus, campanulatus, 13 lin. longus, glaber, 
punctatus. Filamenta inclusa, ineequalia, uno ceteris breviore. Co- 
rolla 4—6 lin. longa, czruleo-purpurea. Bacca globosa, glabra. 


Ordo XXV. SCROPHULARINE. 


1. ANaRRHINUM, Desf. 


1. A. PEDICELLATUM (T. Anders.). Glabrum, suffruticosum, ramis vir- 
gatis, foliis linearibus, plerumque integris, acutis, crassiusculis, inferi- 
oribus interdum bidentatis ; racemis laxissimis, dissitifloris, virgatis ; 
pedunculis foliis longioribus, solitariis, unifloris; calycis segmentis 
ovato-lanceolatis, acutis, glabris, margine subscarioso ; corolla calyce 
duplo longiori, ecalcarata, glabra; capsulis magnis, nutantibus; se- 
minibus ovoideis, tuberculatis. 

Hab. Aden (Edgew.? Hook. fil. et T.!). 

Suffrutex glaber, 6-unc.—14-pedalis. Rami graciles, virgati. Folia 
integerrima, rarissime bidentata, linearia, glabra.—A. pubescenti (Fre- 


FLORULA ADENENSIS. : ae 


sen.) accedit, sed ab eo differt glabritie, foliis omnibus linearibus, race- 
mis dissitifloris, virgatis, pedicellis longioribus. 


2. AnticHaRiIs, Endl. 


1. A. Arasica (Endl. Nov. Stirp. Decad. p. 23). Erecta, glutinosa, 
foliis alternis, ovato- vel lineari-oblongis, obtusis, petiolatis, pubescenti- 
glutinosis; pedunculis axillaribus, unifloris, infra medium bibracteo- 
latis; corolla tubulosa, fauce elongata, ampla; staminibus duobus, 
inclusis; capsulis ovatis, acuminatis, rostratis, bisulcis; seminibus 
numerosis, rugosis.—Capraria Arabica, Hochst. et Steud. Pl. Arab. 
un. iter, n. 748. Meissarrhena tomentosa, R. Br. im Salt, Abyss. app- 

Hab. Aden (Edgew. Hook. fil. '). 

Distr. In Arabia Felici! Scinde ! 

Herba annua, glutinosa, pubescens. Caulis teres, erectus, 4—9-unc. 
Folia 5 lin.-1 une. longa, 1-3 lin. lata. Peduneulus 2-3 Im. longus. 
Corolla 4—5 lin. longa, glabra, venosa, cerulea. Capsula puberula, 
23-3 lin. longa. 


3. LInDENBERGIA, Lehm. 


1. L. Stnaica (Benth. Scroph. Ind. p. 22).  Villosa, ramis erectis, di- 
varicatis ; foliis subrotundato-ovatis, petiolatis, grosse crenato-den- 
tatis, floralibus subsessilibus ; racemis elongatis, terminalibus, folia- 
ceis ; floribus oppositis, secundis ; calyce campanulato ; corolla calyce 
triplo longiore, labio superiore erecto, inferiore breviore ; staminibus 
4; capsula ovoidea, bisulca, pubescente.—Bovea Sinaica, Dene. Ann. 
Se. sér. 2. 1. p. 253. 

Hab. Aden, in puteis veteribus (Hook. fil. et T.! T, Anders.). 

Distr. In Arabia Petreea! et Felici! 

Herba viscosa, villosa. Caulis perennis. Folia 4 lin.-1 une. longa, 2-7 
lin. lata. Racemi semipedales ad pedales; flores remoti vel rarissime 
conferti. Calyx folia floralia superans. Corolla 5-7 lin. longa, flava. 


4, CAMPYLANTHUS, Roth. 


1 C. sunceus (Edgew. in Journ. Asiat. Soc. Bengal, xvi. p. 1217). Gla- 
ber, ramis elongatis, virgatis, subaphyllis ; foliis linearibus, acutis, in- 
tegerrimis, crassiusculis, caulimibus parvis subulatis ; racemis elongatis, 
virgatis, terminalibus; floribus alternis, pedicellatis, secundis ; pedicellis 
brevibus, basi bibracteatis, unifloris; calyce 5-partito, segmentis lan- 
ceolatis acutis; corolla calyce multo longiore, tubo elongato incurvo, 
limbo patente subzequali; staminibus duobus; antheris demum ad con- 
fluentia loculorum unilocularibus ; seminibus numerosis, orbicularibus, 
compressis, marginatis. - 

Hab. Aden (Edgew., Hook. fil. et T.! Madden! T. Anders.). 

Distr. In Seinde? 

Suffruter glaber, subglaucus, 1-3-pedalis. Folia inferiora, 1-23 unc. 


28 


FLORULA ADENENSIS. 


longa, 1-2 lin. lata, breviter petiolata. Racemi 6, semipedales ad 
pedales. Pedicelli 1-2 lin. longi. Bractee minute ciliate. Corollz 
tubus 3 lin. longus; limbus 3 lin. latus; lobi ovati. Corolla flavo- 
albida. 


Ordo XXVI. ACANTHACE. 


1, BLrerHaris, Juss. 


. B. Eputis (Pers. Synops. ii. p. 180). Subacaulis, ramis nullis vel 


divaricatis, prostratis suberectisve, plerumque pubescenti-velutinis 
vel hirsutis; foliis ovato-linearibus, grosse spinoso-dentatis; tuber- 
culis piliferis, utrinque scabris; spicis columnaribus vel abbreviatis, 
quadrifariis ; bracteis ovato-lanceolatis, spinoso-acuminatis, 5-7-ner- 
viis, margine dentatis, 5-7 spinis; bracteolis linearibus, lanceolatis ; 
calycis sepalis membranaceis, tomentosis, inferiore trinervi itegra, 
superiore binervi bidentata, lateralibus subulatis uninerviis; capsulis 
glabris, dispermis ; seminibus pilis adpressis, fusco-incanis.—Acanthus 
Delilii, Sp. Syst. iii. p. 819. Acanthus pectinatus, Willd. n. 11727. 
Acanthus edulis, Vahl, Symb. 1. p.48, et Forsk. Descr. p.114. Acantho- © 
dium spicatum, Del. Fl. Egypt. p. 97, t. 33.f.3. Ruellia ciliaris, Linn. 
Mant. p. 89. Rwellia Persica, Burm. Pl. Ind. p. 135. Acanthodium 
sinuatum? B. nanum, Nees, DC. Prod. xi. p. 274. <Acanthus im- 
bricatus, Edgew. in Journ. Asiat. Soc. Beng. xvi. p. 1217. 


Hab. Aden, in convallibus glareosis (Edgew., Hook. fil. et T. ! Madden ! 


T. Anders.). : 


Distr. In Arabia Petrzea! littoribus Sinus Persici! Scinde! Agypto su- 


periore! Nubia! 


Fruticulus perennis, horridus, subacaulis, szepe spica sola constitutus. 


Spice 2-6 unc. long. Bractee rigide pungentes, 12 unc. longe. Co- 
rolla azureo-cerulea. 


Ordo XXVII. VERBENACE. 


1. BoucngEa, Cham. 


. B. MARRUBIIFOLIA (Schauer in DC. Prod. xii. p. 558). Dicho- 


toma, velutina, ramis teretibus ; foliis ovatis petiolatis, serrato-dentatis, 
supra glabriusculis, subtus incano-velutinis, rugoso-reticulatis ; spicis 
terminalibus, multifloris ; bracteis lanceolato-subulatis, parvis ; floribus 
alternis, sessilibus ; calyce 5-angulato, plicato, 5-dentato ; corolla calyce 
duplo longiore, hypocraterimorpha ; staminibus 4, inclusis ; capsulis 
calyce inclusis, dicoccis, coccis demum dissilientibus.—Chascanum 
marrubiifolium, Fenzl, in Kotschy, Pl. Nub. n. 32. 


Hab. Aden, in locis depressis (Hook. fil.! T. Anders.). 


Distr. In Seinde! Aigypto ! 


FLORULA ADENENSIS. 29 


Ordo XXVIII. LABIATZA. 


1. Lavanputa, Linn. 


1. L. setirerRA (T. Anders.). Glabra, caulibus subaphyllis, subtetra- 
gonis, fere 6-costato-striatis ; foliis pimnatis, segmentis linearibus, in- 
tegris vel dentatis, crassiusculis ; bracteis (foliis floralibus) alternis, uni- 
floris, membranaceis, basi dilatatis, longe setaceis, calyce duplo lon- 
gioribus ; spicis terminalibus, simplicibus, densis ; calyce 15-nervio, 5- 
dentato, velutino. 

Hab. Aden (Hook. fil. et T.). 

Subherbacea. Caules virgati, subnudi, glabri, semipedales. Folia pilis 
sparsissimis glabriuscula. Spice 1-14 unc. longe, velutine. Calyx 
2 lin. longus. Corollam non vidi. 


Ordo XXITX. PLUMBAGINEA. 
1. Sraticr, Willd. 


1. S. axinuaris (Forsk. Descr. p. 58). Fruticosa, glabra, caulibus 
divaricatis, foliosis ; foliis oblongo- vel lanceolato-spathulatis, acutius- 
culis, carnosis, glaucis, in petiolum attenuatis; petiolo basi fusco, 
caulem vaginante; scapis axillaribus vel subterminalibus, paniculatis, 
paulo angulatis ; floribus confertis ; spicis breviusculis, secundis, spiculis 
2-3-floris; bracteis persistentibus, coriaceis, fuscis, margine subalbido, 
superiore involuta enervi obtusa, inferioribus triplo majore; calyce 

_Infundibuliformi, basi hispido, persistente, 5-costato, limbo hyalino, 
lobis obtusis.—S. Bovei, Jaub. et Spach, Ill. Pl. Or. i. t. 86. 8. dan- 
ceolata, Edgew. Journ. Asiat. Soc. Beng. xvi. p. 1218. 

Hab. Aden. im littore, etiam in cacumine montis Jibeel Shumshum 
(Edgew., Hook. fil. et T. Madden, T. Anders.). 

Distr. Yn littoribus Arabicis Maris Rubri ! 

Species distincta sed S. Arabice et S. Stocksii affinis, ab eis differt forma 


foliorum et petiolorum, paniculis, bracteis calycibusque. 


Ordo XXX. SALVADORACE. 


1. Satvapora, Linn. 


1. S. Persica (Linn. Spec. Plant. vol. i. p. 122). Adscendens, cortice 
glauco; foliis oppositis, petiolatis, ovatis, lineari-lanceolatis, acutis, 
mucronulatis, eveniis, subcarnosis, glaucis; stipulis inconspicuis; pa- 
niculis in ultimis ramorum, oppositis, folia superantibus, multifloris ; 
floribus in ramulis paniculez sessilibus; calyce 4-partito, segmentis 
ovatis, obtusis ; corolla calyce paulo longiore, membranacea, profunde 
4-fida; lobis ovatis, apice rotundatis, concavis; staminibus quatuor, 
corollz lobis alternis ; stylo abbreviato, incrassato ; bacca globosa, gla- 


30 FLORULA ADENENSIS. 


bra, calyce corollaque persistentibus basi cincta.— S. paniculata, Zuc- 
car. S. crassinervia, Hochst. in Schimp. Pl. Abyss. n. 2218. 

Hab. Aden (Edgew., Hook. fil. et T.! T. Anders.). 

Distr. In Arabia Petreea! Scinde ! Abyssinia! Hgypto ! Africa centrali! 

Arbuscula divaricata, glauca, 2-6-pedalis. Folia coriacea, 14-4 une. 

longa, 5 lin.—] une. lata; petiolus 2-4 lin. longus. Bacca matura 
rubra! magnitudinis pisi parvi. ; 

This plant is the crigmal species on which Linnzeus’s genus was founded. 
Roxburgh in his ‘ Coromandel Plants,’ p. 26, tab. 26, referred the common ~ 
Indian species (S. indica of Wight’s ‘Icones’) to S. persica, Linn., from 
which, however, it is quite distinct. 

Salvadora Persica, L., is found in India only in Seinde, and perhaps in 
the Punjab. The Salvadora Indica and Stocksiu of Wight (L. Persiea, 
Roxb., non Linn.) is distinguished from L. Persica, Linn., by its distinctly 
pedicellated flowers, broader, always ovate leaves, and darker, scarcely gla- 
brous appearance ; it also grows to a much larger size. It is extensively 
distributed over India and Ceylon. 

A third species (Salvadora oleoides, Decaisne, in Jacquemont, Voy. Bo- 
tanique, p. 139, tab. 144), found only in the plains of North-Western India 
from Delhi to the Indus, is readily distinguished from the preceding species 
by its virgate elongated racemes with very short spikelets, and always narrow- 
linear-Janceolate, subsessile, thickly coriaceous leaves. This is evidently 
the S. indica, of Royle’s Ill. p. 319, of which, however, there is no detailed 
description, and the S. Persica of Wight’s ‘Icones,’ tab. 1621 A. It 
forms a spreading subglaucous bush, from three to six feet high. It is the 
“‘Puloo” of the inhabitants of the Punjab. 


Subclassis [V. Monochlamydez. 
Ordo XXXII. PHYTOLACCACE. 
1. Liwevm, Linn. 


Sect. Limeastrwm. 


1. L. Inpicum (Stocks, MSS, in herb. Hook.). Caulibus diffusis, sub- 
prostratis, junioribus pubescentibus; foliis oppositis, petiolatis, ova- 
libus, rotundatis, acutis, mucronulatis, integris; petiolis basi scariosis, 
vaginantibus ; cymis simplicibus axillaribus, confertis, bracteatis, foliis 
brevioribus, 4-10-floris ; petalis unguiculatis, apice truncato-dentatis ; 
calycis segmentis ovatis, acutis, margine scariosis; staminibus 6-7, 
petalis alternis; stylis binis; coccis duobus, glabris, monospermis. 

Hab. Aden, in locis depressis prope mare (Hook. fil. !). 

Distr. In Seinde! Nubia! 

Herba glabra vel puberulo-viscidula. Radix perennis. Caules 4-un- 
ciales-1-pedales, teretes. Folia 2-5 lin. longa, 1-5 lin. lata; petiolus 
1-2 lin. longus. 


FLORULA ADENENSIS. 5 | 


Ordo XX XIT. SALSOLACEZ., 
1. Traganum, Delile. 


1. T. NupAtuM (Delil. Fl. Aigypt. Ill. p. 57). Suffruticosum, ramulis 
alternis, tortuosis, teretibus, albis; foliis alternis, oblongo-triquetris 
vel teretibus, brevibus, incrassatis, basi dilatatis, mucronatis, glabris, 
glaucis; fioribus solitariis vel 2-3 confertis; Calyce 5-fido, seg- 
mentis lanceolatis obtusis mucronatis, basi pilis floccosis apteris; 
staminibus 5, exsertis ; filamentis compressis, deflexis; antheris sagit- 
tatis; stylis duobus; utriculo depresso, calyce indurato occulto. 

Hab. Aden, secus littus (T. Anders.). 

Distr. In Arabia Petrzea! Aigypto! Algeria! insulis Canariensibus ! 

Suffrutex salsoloides. Rami divaricati, arenam marimam adpressi. Folia 
crassa, carnosa, brevia, spe late subulata, subpungenti-mucronata, 
succo aqueo plena. 


Ordo XXXIIT. AMARANTACEA. 
1. Arva, Forsk. 


1, H. Javanica (Juss. Anns. Mus. xi. p. 131). Caule herbaceo, in- 
ferne suffruticoso, ramoso, erecto, tereti, albido-tomentoso; foliis 
alternis, subsessilibus vel petiolatis, ovatis, oblongo-lanceolatis vel 
obovatis, superne eveniis, subtus venosis, utrinque incano-tomentosis ; 
paniculis terminalibus, aphyllis, adscendentibus, plerumque elon- 
gatis, interdum abbreviatis; spicis alternis, sessilibus, cylindricis, 
flexuosis, albo-lanatis; floribus densissime confertis; bracteis mem- 
branaceis, glabris, ovatis, acutis; sepalis 5, obovato-lanceolatis, ob- 
tusis, tenuibus, lanatis; floribus raro hermaphroditis vel staminiferis, 
plerumque pistilliferis ; stigmatibus 2-3; utriculo subrotundo; calyce 
incluso, monospermo.—Celosia lanata, Linn. Spec. p. 298. Iresine 
Javanica, Burm. Fl. Ind. p. 212. Illecebrum Javanicum, Ait. Hort. 
Kew., ed. 1,1. p. 289. rva tomentosa, Forsk. Fl. Arabico- Yemen. 
n. 584, et Deser. p. 170. 4. Agyptiaca, Gmel. Syst. Nat. p. 1026. 
Ai. incana, Mart. in Nov. Acad. Nat. Cur. xii. p. 291. Achyranthes 
alopecuroides, Lam. Dict. i. p. 548. A. Javanica, Pers. Synops. i. 
p- 269. A. incana, Roxb. Fi. Ind., ed. 1832, i. p. 671. 

Hab. Aden, locis depressis in convallibus, et in monte Jibeel Shumshum 
(Hook. fil. et T.! Madden!). 

Distr. In toto orbe veteri calido ab insulis Capitis Viridis usque ad 
Javam. 

Perennis, 1-2-ped., albido-tomentosa, tomento floccoso. Folia forma 
variabilia, 5 lin.-2 une. longa, 2-8 lin. lata. Petiolus semiuncialis 
aut nullus. Panicule 3-8 unc. longe, graciles vel congeste. Spice 
conglomerate vel laxz, 2 unc. longe. 


32 FLORULA ADENENSIS. 


2. Sattia, A. Br. 


S. papposa (Mog. in DC. Prod. xiii. pars 2. p. 325). Suffruticosa, 
cinerea, caule erecto, subtereti, pauce ramoso, cortice cinereo; ramis 
patulis, cortice viridi, puberulis; foliis alternis, subsessilibus, infimis 
in petiolum brevissimum attenuatis, linearibus, acutis, mucronulatis, 
crassiusculis, enervus, glabris, glaucis ; spicis brevibus, angustis, in 
ramis terminalibus; floribus approximatis, 2-3-bracteatis ; bracteis 
parvis, una persistente, carinatis, mucronatis, villosulis; sepalis 5, 
exterioribus duobus altera paulo superantibus, ovatis, concavis, acutis, 
4-nerviis, villosis, interioribus 3-nerviis ; staminibus 5; filamentis sub- 
ulatis, compressis, basi dilatatis atque in cupulam connatis; antheris 
bilocularibus, ovatis; stylo simplici, tereti, staminibus fere duplo 
longiore; stigmate capitato, globoso, integro ; ovario ovoideo, glabro, 
- uniovulato.—Achyranthes papposa, Forsk. MSS. 


Hab, Aden, in solo arenoso (Hook, fil.! T. Anders.). 

Distr. In Arabia Felici. 

Some confusion has occurred in the synonomy of this plant. Moquin- 
Tandon, in De Candolle’s ‘ Prodromus,’ has cited Schimper’s number 
977 as referring to Saltia papposa. In the Hookerian Herbarium this 
number is attached to a species of Convolvulaceee, Seddera intermedia, 
Hochst. et Steudel (Cressa mihi), and, as such, is also quoted by Choisy in 
the 9th volume of the ‘ Prodromus,’ p. 440. Fearmg some mistake in 
the ticket, I wrote to M. Spach; and he kindly examined Schimper’s 
number 977 in the Paris Herbarium, the specimen seen both by Choisy 
and Moquin-Tandon. WHe assures me that it is a true Seddera. M. 
Spach, in addition, corrects an important error in the habitat of M. Botta’s 
specimens of Saltia papposa as recorded by Moquin-Tandon. M. 
Botta did not obtain his specimens at Mount Sinai, but in Arabia Felix— 
according to his ticket, in “ Yemen, environs de Hamara et de Hais.” 

Tab. III. Fig. 1, young state of flower; 2, matured fruit and two sterile 
flowers; 3, single bristle from a sterile flower; 4, one of the five sepals, 
with stamens and ovary; 5, showing relative position of stamens and 
ovary; 6, mature fruit, with the persistent stamens at the base. All are 
magnified. 


Ordo XXXIV. PARONYCHIACEA. 


1. Comrtrs, Burm. 


C. Asyssinica (R. Br. in Wall. Pl. As. Rar. i. p.18). Caule erecto, 
ramoso; foliis oppositis, sepe uncinato-verticillatis, linearibus, lan- 
ceolatis, breviter petiolatis ; stipulis scariosis, minutis, subulato-acutis ; 
pedunculis in ultimis ramulis, axillaribus, floribus 3-4; bracteis op- 
positis, pungentibus, reflexis, villosis, demum aristis pinnatis; caly- 
cibus 5-partitis; segmentis marginibus membranaceis, apice fim- 
briato-ciliatis, duobus exterioribus concavis, pungenti-apiculatis ; co- 


FLORULA ADENENSIS. 33 


rolla (vel stamina abortiva) 5-loba; petalis basi in urceolum connatis ; 
staminibus 5, petalis alternis, basi corolle adnatis; stylo filiformi, 
simplici; stigmatibus 3, ovariis unilocularibus, utriculo monospermo. 
—C. apiculata, Decaisne in Ann. Se. Nat. sér, 2. 11. p. 244. Cera- 
tonychia nidus, Edgew. in Jour. Asiat. Soc. Beng. xvi. p. 1215. 
Hab. Aden (Edgew., Hook. fil. !). , 
Distr. In Arabia Petrzea! Muscat! secus littus Sinus Persici! Scinde ! 


Ordo XXXV. NYCTAGINEZ. 
1. BomrHaavia, Linn. 
+ Flores paniculati. 


1. B. eveGans (Chois. DC. Prod. xiii. part. 2. p. 453). Caule erecto, 
basi fruticoso, albido-puberulo; foliis ovatis lanceolatis vel linea- 
ribus acutis mucronatis, margine sinuatis, infimis petiolatis, supe- 
rioribus sessilibus; paniculis terminalibus laxissimis, ramosis; pedi- 
cellis filiformibus, gracilibus; bracteis inconspicuis, oppositis, tomen- 
tosis, bracteolis duabus subpersistentibus ; perigonio infundibuliformi, 
paulo inflato, limbo contracto plicato dentato; staminibus 3, inclusis ; 
stylo uno, stigmate capitato-peltato; fructu ovato-clavato, tereti, ob- 
tuse 5 costatis, costis eglandulosis, sulcis pilis adpressis sparse pu- 
berulis.—B. rubicunda, Steud. Nom. p. 213. 

Hab. Aden, ubique (Edgew., Hook. fil. et T!). 

Distr. In Arabia Felici! Beloochistan! Scinde! 

Suffrutex 1-3 ped., glaucus, puberulus. Caulis teres, obscure striatus. 
Folia superne viridia, puberula, subtus glaucescentia, rugosa, 3-14 
une. longa, 3 lin.-1} unc. lata; petiolus } une. longus. Perigonii 
limbus glaber, 1} lin. longus. Fructus pyriformis, 2 lin. longus ; peri- 
carpum in aqua mucilagineum. 


++ Llores wmbellati. 


2. B. scanpeEns (Linn., Sp. Pl. ed. 3. p. 14). Suffruticosa, caule 
diffuse prostrato, elongato, glabro; foliis oppositis, petiolatis, rotun- 
dato-ovatis, acuminatis, cordatis, margine repandis, utrinque glabris ; 
umbellis in ramis terminalibus; pedunculis axillaribus 3-7-floris; 
perigonio tubo subinflato, limbo late infundibuliformi ; staminibus 3, 
exsertis, stylo brevioribus ; stylo brevi, stigmate capitato; fructu cla- 
vato, truncato, ecostato, apice glanduloso, muricato, pilis strigosis 
hirtello.—B. dichotoma, Vahl, En. i. p. 290. B. repanda, Willd. Sp. 1. 
p. 22. B. scandens, Forsk. Descr. p. 3. Valeriana scandens, Forsk. 
Descr. p. 12. B. plumbaginea, Cav. Ic. uu. p.7. B. Burchelli, Chois. 
DC. Prod. xii. part. 2. p. 455. B. verticellata, Poir. Dict. v. p. 56. 
B. grandiflora, Rich. Hohen. m Schimp. Pl. Abyss. n. 2309. B. stel- 
lata, Wight, Icon. t. 875. 

Hab. Aden (Hook. fil.! T. Anders.). 

LINN. PROC.—BOTANY, VOL. V. SUPPLEMENT. D 


34 FLORULA ADENENSIS, 


Distr. In Asia tropica! Africa boreali usque ad Cap. Bon. Spei! 
Hispania! America tropicali, boreali, et australi! Australia! Insulis 
Galapagos ! 

This is an exceedingly variable plant; but even in its most aberrant 
forms the characters of the umbellate inflorescence, exserted stamens and 
style, and the elongated, clavate, ecostate, glandular fruit, can always be 
recognized. 


Ordo XXXVI. EUPHORBIACE. 
1, Evenorsia, Linn. 
Sect. Anisophyllum. 

1, E. Heypriaca (Boiss. in Cent. Euph. p. 13). Caulibus prostratis, 
teretibus ; foliis oppositis, inzequalibus, integerrimis, ovato- vel lineari- 
oblongis, obtusis, crassiusculis, pilis strigosis hirsutis; floribus axilla- 
ribus, solitartis vel 2-3, brevissime pedunculatis; involucro hirsuto, 
glandulis 5 glabris, dentibus 5, glandulis alternis, ciliatis, hirsutis ; 
ovario stipitato, incano, hirsutissimo, stipite pubescente; stylis non 
coalitis ; seminibus rubescentibus, demum albidis, transversim rugosis. 
—E. Forskalii, Gay in Phyt. Canar. iii. p. 240. E. Aa Edgew. in 
Journ. Asiat. Soc. Bengal. xvi. p. 1218. 

Hab. Aden (Edgew., Hook. fil.! T. Anders.). 

Distr. In Arabia Felici! India boreal.-occid. ! 

Herba pusilla. Caules strigosi, hirsuti, oc 3-6 unc. longi. Folia 
pilis adpressis subincana, 2 lin. longa, 3-1 lin. lata. Flores et capsule 
minuti, hirsutissimi. 

The plant from*Aden is so small and strigosely hirsute, with leaves not 
at all serrated, that it seems almost distinct enough to be ranked as a 
variety. Judging from his description, Edgeworth seems to have found 
the normal state of the species. 

2, E. Arasica (Hochst. et Steud. in Pl. Schimp. n. 756). Erecta, gla- 
berrima; caule tereti ramoso; foliis oppositis, strictis, mequalibus 
lineari-lanceolatis vel ovato-lanceolatis, mucronatis, glabris; stipulis 
angustissime lanceolatis; floribus axillaribus, plerisque solitariis ; 
pedunculo glabro brevi; involucro pyriformi, glabro, dentibus ovatis, 
fimbriato-ciliatis, glandulis rotundis, mtus basi ciliatis; ovario et 
stipite glabris; stylis divaricatis, ad basin liberis ; stigmatibus bifidis ; 
capsula angulata; seminibus levibus, flavo-rubris. 

Hab. Aden, prope mare (Hook fil. et T. !). 

Distr. In Arabia Felici, in Tehama! 

Suffrutex perennis, 4-uncialis, l-pedalis. Caulis lignosus. Folia remota 
vel confertim approximata, 2 lin.-1 une. longa, 1 lin. lata. 


Sect. Carnose et Arboree. 
+ Aphylle. 


3. E. Scuimperti (Presl. Bemerk.). Fruticosa; ramis erectis, teretibus, 
caynosis, trichotomis; folis deciduis, 1-3, in ultimis ramulis, minutis, 


FLORULA ADENENSIS. 35 


ovatis, acutis, integris; pedunculis terminalibus, brevibus, teretibus, 
erassis, carnosis, 4-floris; floribus breviter pedicellatis, umbellatis, bi- 
bracteatis ; bracteis ovatis acutis, basi truncatis, subherbaceis, mteger- 
rimis; involucris campanulatis; glandulis 5, concavis; dentibus ob- 
tusis, fimbriatis, glandulis brevioribus; staminibus 20, nonnullis ex- 
sertis ; ovario stipitato, glabro; stylis fra medium coalitis ; stigmati- 
bus incrassatis, bifidis. 

Hab. Aden (Hook. fil.! T. Anders.). 

Distr. In Arabia Felici! 

Frutex aphyllus, carnosus, pallide viridis. Rami patuli. Folia rarissime 
adsunt, 3-5 lin. longa, 2 lin. lata, herbacea, glabra. Pedunculi 4-5, in 
apice ramorum umbellato-conferti, 3 lin. longi. Involucrum viride ; 
glandule et anthere flave. 


tt Superne foliate v. foliose. 


4. E. cuneata (Vahl, Symb. ii. p.53). Caule lignoso, cortice cinereo- 
glabro, ramis rectangularibus, spinescentibus, pauce foliatis ; foliis in 
tuberculis fasciculatis, cuneato-oblongis, cuneato-ovatis vel linearibus, 
apice obtusis vel obscure bilobatis, basi attenuatis, sessilibus, inter- 
dum petiolatis, utrmque tomentellis ; pedunculis e tuberculis foliiferis, 
3—4-bracteatis, 4-floris; floribus umbellatis, 1 centrali, sessili, 3 pedi- 
cellatis ; pedicellis pedunculo zequantibus sed gracilioribus; involucro 
campanulato, tomentoso; dentibus 5, cuneiformibus, fimbriatis ; glan- 
dulis 5, concayo-peltatis, glabris; staminibus numerosis; ovario stipi- 
tato, tomentoso; stylis ad medium connatis, apice subintegris.—E. 
Sruticosa, Edgew. in Journ. Asiat. Soc. Beng. xvi. p. 1219. 

Hab. Aden (Edgew., Hook. fil.! Madden! T. Anders,). 

Distr. In Arabia Felici ! 

Arbuscula 6-10 pedalis, glabra. Folia et flores partesque juniores pube- 
ruli. Folia 2-8 lin. longa, 1-3 lin. lata. Pedunculus carnosus, teres, 
puberulus. Involucrum viride ; glandule flave. 

Descr. of Tab. IV. Fig. 1, leaf; 2, entire flower ; 3, longitudinal section 
of same; 4, scale on petal of the male floret; 5, stamen. All the 
figures are magnified. 


Sect. Zrithymalus. 


5. E. systyLa (Edgew. in Journ. Asiat. Soc. Beng. xvi. p. 1218). 
Erecta, dichotoma; ramis angulosis, adscendentibus; foliis alternis, 
valde petiolatis, lanceolatis, lineari-lanceolatis, integris, mucronatis, 
puberulis ; floribus axillaribus solitariis, sessilibus ; mvolucro tubuloso, 
persistente, 4-dentato, dentibus fimbriatis, glandulis 4 concavis alter- 
nis ; Ovario pubescenti, stipite incrassato, tomentoso, stylis ad apicem 
coalitis, stigmatibus bifidis. Capsula erecta, subglobosa, puberula; 
coccis bisulcis, angulatis, angulis rotundatis; seminibus conicis, com- 
pressis, constrictis, testa crustacea, punctata, olivacea. 

Hab. Aden, a littore usque ad altitudinem 1000 ped. in monte Jibeel 
Shumshum (Edgew., Hook. fil. et T.! Madden!). 

D2 


36 FLORULA ADENENSIS. 


Suffrutex 2-3-pedalis. Caulis dichotomus, striatus, subglaucus, plus 
minus foliatus. Folia puberula, 3-13 unc. longa, 1-3 lin. lata; peti- 
olus 6 lin. longus. | 

Deser. of Tab. V. Fig. 1, entire flower; 2, longitudinal section of same ; 

3, petal and stamen of a male floret; 4, mature fruit; 5, ripe seed. All 
the figures are more or less magnified. 


2. CrozopHora, Neck. 


1. C. opLonGiFo.ia (Ad. Juss., Spr. Syst. ui. p. 850). Suffruticosa ; 
caule suberecto, floccoso, tomentoso ; ramis dichotomis, foliosis ; foliis 
petiolatis, subpeltatis, oblongis, lanceolatis, acutis, dentatis, dense-stel- 
lato-floccosis, basi biglandulosis ; racemis abbreviatis, in ramis termi- 
nalibus; floribus bracteatis, breviter pedicellatis, monoicis; floribus 
masculinis calyce 5-partito stellato tomentoso, petalis 5 glabris, sta- 
minibus 8-10, filamentis subcoalitis; femineis calyce 10-partito, corolla 
nulla, ovario sessili, capsula globosa tricocca stellato-glandulosa, semi- 
nibus rugosis.— Croton oblongifolium, Del. Aigyp. tab. 51. f. 1. 

Hab. Aden (Hook. fil. et T.!). 

Distr. In Arabia Felici et Petrzea! Muscat! Scinde! Hgypto! 


3. JATROPHA, Linn. 


1. J. sprnosa (Vahl, Symb. i. p. 79). Fruticosa, erecta; ramis tere- 
tibus, incrassatis; cortice cinereo-glauco vel purpurascente ; foliis alter- 
nis, petiolatis, rotundatis, 5—7-nerviis, 3-5-lobatis vel obscure 7-lobatis, 
lobis oblongis, obtusis, obscure dentatis, utrinque glabris; stipulis 
pungenter spinosis, subpersistentibus ; corymbis pedunculis elongatis, 
terminalibus, dichotomis, multifloris; bracteis parvis, basi dilatatis, 
acutis, scariosis; floribus subsessilibus, monoicis; calyce 5-partito, 
petalis 5; staminibus 8; ovario sessili; stylis convolutis, 3, liberis, 
stigmatibus peltatis; capsulis rugosulis, lignosis, tricoccis, coccis 
monospermis.— Croton spinosum, Forsk. Descr. p. 163. 

Hab. Aden (Hook. fil. et T.! T. Anders.). 

Distr. In Arabia Felici. 

Arbuscula 7-8-pedalis, sueco lacteo. Caulis aculeatus, rami incrassato- 
earnosi. Folia 1} unc. longa, 13-2 unc. lata; petiolus 1-11 une. 
longus; stipulz aculeatz, nigrz vel glauce, 3 lin. longe. Corymbi 
4-5 unc. longi. Fores flavescentes, plurimi subsessiles, feminei pau- 
cissimi, in dichotomia corymborum sessiles. 


Descr. of Tab. VI. Fig.1, entire male flower ; 2, same laid open; 3, female 
flower; 4, same with the floral envelopes removed. 


Ordo XXXVII. URTICACEA. 
1. ForsxoutEa, Linn. 


1, F. renacissima (Linn. Mant. p.72). Suffruticosa; caule et ramis 
aculeato-asperis ; foliis petiolatis, orbicularibus, ovatis vel rhomboideis, 


FLORULA ADENENSIS, 37 


grosse serratis, utrinque scaberrimis, superne subviridibus, subtus 
dense incano-tomentosis, nerviis subglabris, viridibus; capitulis axil- 
laribus, sessilibus, geminis vel quaternis, 4-5-foliolatis, foliolis lanceo- 
latis vel rotundatis, acutis, albidis, ciliatis, pilosis.— Caidbeja adherens, 
Forsk. Descr. p. 82. 

Hab. Aden, rarissime, in locis depressis (Hook. fil. !). 

Distr. Yn Arabia Felici! et Petrzea! im oris Sinus Persici! India boreal. 
occid!. Agypto! Algeria! Hispania! 

Herba 1-2-pedalis asperrima. Caulis lignosus, ramosus. Folia 1-1] 
unc. longa, } unc. lata; petiolus 4 lin. longus. Capitula petiolum 
zequantia; cilia involucri viridescentia. 


Ordo XXX VIII. GNETACEZ. 
1. Ernepra, Tourn. 


1. E. rou1ata (Boiss. in Kotsch. Pl. Pers. Aust. et Diag. Pl. Or. vii. 
p- 100). Fruticosa; caule striato, ramis angulatis, ramulis verti- 
cellato-fasciculatis, teretibus, puberulis, junceis, elongatis, ramosis 
remote articulatis ; foliis quaternis, teretibus, subulatis, elongatis, mu- 
cronatis, basi membrana, caule vaginante connatis; spicis masculinis 
lateralibus vel ad apicem ramulorum aggregatis, subsessilibus; stami- 
nibus 3; floribus femineis 3-9, in ramulis trichotomis terminalibus 
pedicellatis, involucris margine scarioso-ciliato.—E. ciliata, Fisch. et 
Mey. in Meyer, Monog. Gener. Ephedre, p. 100. 

Suffrutex 2—3-pedalis, gracilis. Caulis subglaucus, striatus; ramuli flo- 
riferi 2-4 unc. longi, subtetragoni, sulcato-striati, fasciculati. Folia 
8-10 lin. longa, superiora sepe bina. Spicule masculine 3-4 lin. 
long, multiflore. 

Hab. Aden (Hook. fil. et T.!). 

Distr. In Persia! Affghanistan! India boreal.-occid. ! 


Classis II. MONOCOTYLEDONES. 
Ordo XXXIX. AMARYLLIDEZ. 


1. Pancratium, Linn. 


1. P. rortuosuM (Herbt. in Herb. Hook.). Bulbo ovato; foliis lineari- 
bus, attenuatis, acutis, viridibus, canaliculatis; scapo brevi, non sub- 
terraneo; spatha breviter pedunculata vel subsessili, membranacea, 
bifida, triflora; perigonii tubo gracili, limbo quadruplo longiore, limbi 
laciniis linearibus, acutis, coronz, ultra medium lhberis, dentibus acute 
triangularibus; stylo et filamentis coronam superantibus.—P. tortifo- 
lium, Boiss. Diag. Pl. Orient. xi. p. 18. 

Hab. Aden, in convallibus saxosis (T. Anders.). 

Distr. In Arabia Felici, prope urbem “ Jeddah” ! 

Folia spe tortula, 6-10 unc. longa, 3 lin. lata. Seapus 2 unc. longus. 


38 FLORULA ADENENSIS. 


Spatha 23 unc. longa. Perigonium album, tubo incluso 5-7 unc. 
longum. 

My plant, though not in flower, is doubtless the same as Herbert’s spe- 
cies. It grows in clumps in one or two of the narrow valleys in Aden. 
Boissier quotes Schimper’s number as 676; but the plant in the Hookerian 
herbarium is marked 876. My description is drawn partly from my own 
specimens and partly from the MS. diagnosis of Herbert in the Hookerian 
herbarium. 


Ordo XL. CYPERACEZ. 
1. Cyperus, Linn. 


1. C. coONGLOMERATUS (Rottb. Gram. t. 15. fig. 7). Glaucescens ; radice 
fibroso, tomentoso, culmis erectis e denso foliorum cespite plurimis, 
rare solitariis, striatis, obtuse triquetris; foliis erectis, rigidis, subtere- 
tibus, canaliculatis, mucronulatis, margine scabridis, basi culmis vagi- 
nantibus, purpurascentibus; involucro 3—-4-phyllo, inequali; foliolis 
2, capitulum superantibus, uno inferiore, altero longiore; umbellis in 
apice culmorum capitatis, solitariis, subsessilibus, vel plurimis ineequa- 
liter pedunculatis, radiatis ; spiculis 5-20, sessilibus, oblongis, obtusis, 
compressis, imbricatis, multifloris; squamis ovatis, obtusis, plurimi- 
nerviis, carinatis; stylo trifido. 

Hab. Aden, in locis depressis prope littus (Hook. fil. et T.! T. Anders.). 

Distr. In Arabia Felici! et Petreea! oris Sinus Persici! Agypto! Algeria! 

Planta magnitudine variabilis, plerumque pedalis, sed marcescentia 2-3- 
uncialis ; radicibus exceptis, glaberrima. Folia culmos non superantia; 
involucri foliolum foliis longius, 3-4 unc. longum, radii $-13 une. longi. 

Edgeworth does not enumerate this species among the plants found by 

him at Aden, but records Cyperus effusus and Jeminicus, Rottb., neither of 
which occurs in any of the Aden collections that I have examined. 


Ordo XLI. GRAMINEZ. 


Tribus PANICEA. 
1. TrrcHotana, Schrad. 


1. T. Tenerirr# (Parlat. in Webb, Phyt. Can. ii. 425). Caule basi , 
plus minus repente, ramoso, pubescente, demum adscendente, foliato, 
nodis vaginisque tomentellis ; ligula pubescente, ciliata ; foliis margini- 
bus involutis, abbreviatis, apice attenuatis, mucronato-acutis ; paniculis 
laxis, nodis pilosis, spicis compositis ternatis, multifloris, pedicellis 
ramosis, filiformibus, flexuosis, apice incrassatis ; spiculis solitartis, bi- 
floris, sericeo-pilosis, pilis gluma duplo longioribus; gluma exteriore 
nulla, interioribus 2-nerviis, obtusis, dorso ciliatis; flore masculino uno, 
palea binervis, apice obtusa, ciliato-dentata; staminibus 3; stylis atte- 
nuatis, apice barbatis; achenio nigrescente.—Panicum Teneriffe, R 
Br. in Prod. 1. p. 39; Saccharum Teneriffe, Linn. fil. in Suppl. p. 106 ; 


FLORULA ADENENSIS. 39 


Tricholena micrantha, Schrad. in Roem. et Schult. Syst. Veg. Mant. 
u. p. 163; T. leucantha, Hochst. in Schimp. Pl. Abyss. n. 1818; 
Saccharum? dissitiflorum, Edgew. Journ. Asiat. Soc. Beng. xvi. p. 1219. 
Hab. Aden (Edgew., Hook. fil. et T.!). 
Distr. In insulis Capitis Viridis! et insulis Canariensibus! oris Africze 


borealis! et in insula Sicilia! Abyssinia! a peninsula Arabiz usque 
ad Scinde! 


2. Panicum, Linn. 


1, P. viripE (Linn., Sp. Pl. Willd., i. p. 335). Radice fibroso, glabro ; 
culmo basi decumbente vel erecto, ligulis ciliatis; foliis lanceolatis, 
acuminatis, acutis, planis, margine scabris vaginis striatis, pubescenti- 
bus; paniculis solitariis, densis, cylindricis, spiciformibus, setis scabris 
asperls; setis spicula plus minus longioribus, ad basin spicule soli- 
tariis; spiculis sub-bifloris; glumis exterioribus obscure 4—6-nerviis, 
glabris ; gluma florifera (glumella) ovata, obtusa, enervi, striata, tuber- 
culata, subcrustacea.—Setaria viridis, Pal. de Beauv. Agr. t. 14. f. 3. 

Hab. Aden, in umbris arbuscularum (T. Anders.). 

Distr. In toto orbe calidiore. 

Annua, in Aden, herba pusilla 3-6 uncialis. Panicule interdum simplices. 


3. PenniseTUM, Pal. de Beauv. 


1. P..cencHRoIDES (Rich. in Pers. Syn. i. p. 72). Culmo erecto, 
ramoso, glabro ; vaginis glabris, margine ciliatis, ligula barbato-ciliata ; 
foliis linearibus, acutis, planis, pilosis; paniculis solitariis spicifor- 
mibus, cylindricis, obtusis; involucri setis aristeeformibus, inzequa- 
libus, basi plumosis, apice purpurascentibus; spiculis 2-3-floris ; 
gluma florifera (glumella) subcartilaginea, 3-nervia; ovario glabro ; 
stylis inferne connatis, plumosis.—Cenchrus ciliaris, Linn. Mant. 
p. 320; P. rufescens, Spreng. in Schimp. Pl. Arab. n. 153; Cenchrus 
pennisetiformis, Hochst. et Steud. in Schimp. Pl. Arab. n. 973; P. ci- 
liare, Link, Hort. Ber. 11. p. 216; P. distylum, Guss. Fl. Sic. Prod. 
Suppl. i. p. 12; P. ciliatum, Parlat. 

Hab. Aden, in locis depressis arenosis (Hook. fil. et T.!). 

Distr. In locis aridis regionum calidiorum Africz et Asiz. 


Tribus STIPACE. 
4, ARISTIDA, Linn. 


1. A. Apscensionis (Linn. Sp.Pl.p.121). Radice fibroso, tomentoso, 
culmis plurimis decumbentibus vel erectis, vaginis nodisque glabris, 
ligulis obscure vel barbato-ciliatis ; foliis linearibus, acutis, involutis, 
margine scabris ; paniculatis, coarctatis, subsecundis, basi interruptis ; 
spiculis unifloris; glumis subulatis ineequalibus, muticis, glabris ; gluma 
florifera (glumella) apice triaristata, aristis scabris.—A. cerulescens, 


40 FLORULA ADENENSIS. 


Desf. Fl. Atl. t. 21. f. 2; A. depressa, Retz. Obs. iv. p. 22; A. vul- 
garis, Trin. et Rupr. Stip. 131; A. gigantea, Linn. fil. Suppl. p. 113 ; 
A. Canariensis, Willd. Enum. p. 99; A. Mauritiana, Kunth. Gram. 
i. p. 265, t. 44; A setacea, Retz. Obs. iv. 22,in Jacq. Pl. Ind. Orient. 
ex Herb. Mus. Paris.; A. Hystriz, Roxb. Fl. Ind. ed. 1832, p. 350, 
fide Planchon, in herb. Hook. 

Hab. Aden, rarissime (Hook. fil. et T.!). 

Distr. Ab insulis Canariensibus per Africam borealem et centralem 
usque ad Ceylaniam atque Indiam orientalem. 

Species variabilis, 3-uncialis vel fere 2-pedalis, plerumque glabra; nodi 
glabri. Panicule sepe purpurascentes; sete 4—6 lin. longze, scabree 
vel subleeves. 

I have not given all the synonyms for this plant, but only those names 

that are important with reference to the flora of Arabia and India. 


5. Stipagrostis, Nees. 


1, S. phuumosa (Munro, MSS. in Herb. Benth.). Cespitosa; radice 
fibroso, fibris crassiusculis tomentosis; caulibus plurimis, basi vaginis 
marcidis vestitis, glabris, nodis constrictis, vaginis glabris apice ciliatis ; 
foliis rigidulis, linearibus, mucronato-acutis, margine involutis; pani- 
culis oblongis, laxis, simplicibus; ramulis capillaribus, alternis, flexu- 
osis; pedicellis filiformibus, flexuosis, glabris, apice incrassatis ; glumis 
ineequalibus, oblongo-lanceolatis, glabris vel puberulis, interiore ex- 
teriorem superante; gluma florifera (glumella) oblonga, involuta, 
tubulosa, chartacea, 3-nerva, tuberculata, longissime aristata, aristis 
articulatis, tortis, erectis, canaliculatis, papilloso-scabris; laciniis late-~ 
ralibus barbatis, lacinia media laterales triplo quadruplo superante, 
plumosa ; palea cuneato-obovata, apice truncata, involuta, hyalina, gla- 
berrima.—Aristida plumosa, Linn. Sp. Pl. p. 1666. A. Janata, Forsk. 
Deser. p. 25, Arthratherum plumosum in Coss. et Dur. Fl. Alg. p. 82. 
A. pogonoptilum, Jaub. et Spach, Ill. Pl. Or. iv. p. 56, t. 337. Aristida 
Paradisea, Edgew. Journ. Asiat. Soc. Bengal, vol. xvi. p. 1219. 

Hab. Aden (Edgew., Hook. fil. et T.! T. Anders.). 

Distr. In Arabia Felici! et Petraea! per Asiam calidam usque ad Pun- 
jab. In Abyssinia et Augypto. 

Gramen gracile et formosum. Aristide ciliate, Desf., proxima, sed 
differt foliis non abbreviatis, culmis ad nodos glabris, vaginis incon- 
spicue ciliatis, et stipite aristee non torto. 


Tribus CHLORIDE. 
6. Terrapogon, Desf. 


1. T. vitLosum (Desf. Fl. Atl. ii. p. 389, t. 255). Ceespitosum ; radice 
fibroso-tomentoso; culmis paucis, erectis, basi dense vaginatis, foli- 
atis, ad nodos glabris; vaginis striatis, glabris, rarissime infimis pilo- 
sis, supra medium margine scarioso ; ligula inconspicua, non ciliata ; 


FLORULA ADENENSIS. ‘ 41 


spicis terminalibus, solitariis, densissimis, sericeo-villosis, folio spathi- 
formi inyolucratis; rachibus szepe geminis, coherentibus; spiculis 
3-4-floris, longe pilosis ; flosculis inferioribus hermaphroditis, superio- 
ribus sterilibus; glumis membranaceis, breviter acuminato-aristatis, 
persistentibus, glabris; exteriore villosa, longe aristata, cucullata, 
interiore obtusa, ciliata; gluma florifera (glumella) solitaria, villosa, 
aristata.— Chloris villosa, Pers. Syn. i. p. 87. C. Tetrapogon, Pal. de 
Beauv. Agrost. p. 158. 

Hab. Aden! (Hook. fil. et T.!). 

Distr. In Arabia Petrea! et Felici! Scinde! Algeria, et insulis Cana- 
riensibus ! 


7. DacryLoctrentum, Willd. 


1. D. Heypriacum (Willd. Enum. 1029). Czespitosum ; caule prolifero 
repente, radicante; culmis adscendentibus ; vaginis basi tuberculatis, 
pilosis, superne glabris ; ligulis ciliatis; nodis constrictis, glabris ; foliis 
lineari-lanceolatis, acutis, planis, margine papillis piliferis sparse tuber- 
culatis ; spicis terminalibus, horizontalibus, digitatis, ternatis vel qua- 
‘ternatis, crassiusculis, densis ; rachi in mucronem prolongata; spiculis 
imbricato-unilateralibus, 3-5-floris; glumis acutis marginatis, minute 
ciliatis, carinatis, exteriore breviore, aristata, arista spiculis longiore ; 
florifera (glumella) acuta, carinata, glabra, bifida; palea carinata, 
mucronata, aristata; semime transversim ruguloso.— Cynosurus Afgyp- 
tius, Linn. Syst. Pl. p.185. Hleusine Atgyptiaca, Roxb. FI. Ind. ed.— 
1832, i. p. 344. D. mucronatum et D. prostratum, Willd. Enum. 1029. 
D. australe, Steud. Gram. p. 212. D. aristatum, Link, Hort. i. p. 50. 
D. Figarei, Notar. (Steud. l. c.). D. distachyum, Bojer, Hort. Maurit. 
p. 370. Chloris mucronata, Mich. Flor. Bor.-Amer. i. p. 59. 

Hab. Aden (Hook. fil. et T.!). 

Distr. Per totum orbem calidiorem. 


. Tribus Festucaces. 
8. Eracrostis, Beauv. 


1. E. cryraris (Link, Hort. Ber.i.192). Radice fibroso; culmis ramosis, 
geniculatis ; vaginis papilloso-tuberculatis, pubescentibus, apice cili- 
atis; foliis anguste linearibus, planis, patentibus ; paniculis coarctatis, 
thyrsiformibus, interruptis vel continuatis, compositis ; spiculis 6-12- 
floris; glumis membranaceis, naviculeformibus, acutis, carina bar- 
bata; gluma florifera (glumella) mucronata, 3-nervi; palea ciliata. 
—Poa ciliaris, Linn. Sp. ed. Willd. 1. p. 402. E. pulchella, Parlat. 

Hab. Aden (T. Anders.). 

Distr. In Arabia Felici! India! et Ceylania! per totam Africam! in 
insula Adscensionis! in America austrahi ad Para! 

This is an exceedingly variable gia my oie from Aden are only 

about 13 inch high. 

LINN. PROC.—BOTANY, VOL. V. SUPPLEMENT. E 


o 


42 : FLORULA ADENENSIS. 


9. ALuRoPuS, Trin. 


1, A. Arasicus (Steud. Nomencl. p. i. 30, Gram. p. 298). Culmis 
repentibus, numerosis, ramosissimis, elongatis, teretibus, mcrassatis, 
vaginis persistentibus imbricate vestitis; vaginis margine ciliatis; 
ligula nulla; foliis brevissimis, rigidis, subulatis, pungenter mucronatis, 
glaucis ; paniculis in ramis terminalibus ovatis, conglomeratis; rachi 
pubescente, spiculis multifloris; glumis 2, obovatis, muticis, scariosis, 
carimatis; gluma florifera subpatente, sericeo-ciliata, pubescente, ad 
apicem glabra, 3-nervi, paleam paulo superante, mucronulata; palea 
binervi, mucronulata vel mutico-obtusa; caryopsidibus ovatis, obtu- 
sis, glabris.—Calotheca Arabica, Spr. Syst. Veg. 1. p. 348. Festuca 
mucronata, Forsk. Descr. p. 22. Festuca pungens, Vahl, Symb.i. p. 10, 
t. 2. Dactylis mucronata, Steud. Gram. p. 298. 

Hab. Aden, im arenosis (Hook. fil.! T. Anders.). 

Distr. In Arabia. 

Cespitosus, horridus, 2-3-pedalis. Cubmi vaginis marcidis oceulti. Folia 
glauca, 3 unc. longa. Panicule pubescentes, | unc. longe. 


ADDENDUM. 


Since the printing of this Florula, I have seen a specimen of a 
Fissenia, collected at Aden by Dr. Courbon, of the French explor- 
ing expedition under the command of Captain Russel, and kindly 
communicated to Dr. Hooker for my inspection by Prof. Brongniart 
of Paris. This is the plant upon which Brown founded the genus, 
and of which I have examined his original specimen in the British 
Museum: it does not, however, bear the name Fissenia, but Kis- 
senia, in honour of its discoverer, M. Kissen, a traveller in Arabia. 
Endlicher, who is responsible for the spelling Fissenia, probably 
obtained the generic name for the South African species, orally, 
from R. Brown. After a careful comparison of the Arabian and 
South African specimens, I can find no difference, and I therefore 


FLORULA ADENENSIS. 43 


propose that R. Brown’s name of K. spathulata be substituted for 
Ff, Capensis (and Cnidone Mentzeloides). 


Ordo LOASACEZ. 
Kissenta, R. Br. (Fissenia, Endl. [errore].) 


Calycis tubus cum ovario connatus, 10-costatus ; limbus 5-partitus, lobis 
zequalibus. Petala 10, decidua, in apice calycis tubi inserta; 5, caly- 
cis lobis alterna, rotunda, concava; 5, calycis lobis opposita, minora, 
ligulata, incurva. Stamina indefinita; antheris bilocularibus, intror- 
sis. Ovarium triloculare; loculis uniovulatis. 


1. K. spatouuata (R. Br., MSS. in Herb. Mus. Brit.). Caule erecto, 
striato, papillis scabris aspero ; foliis alternis, petiolatis, inferioribus 3— 
7-lobis, superioribus lineari-lanceolatis, bracteiformibus, acutis, grosse 
sinuato-dentatis, utrinque asperrimis; calycis tubo ovato, in fructu 
10-costato, costis pilis fulvis tomentosis; limbo 5-partito ; lobis longe 
spathulatis, subherbaceis, 3-nerviis ; petalis 10, biseriatis, calyce multo 
brevioribus, 5 majoribus calycis lobis alternis, carimatis, ovatis, con- 
cavis ; 5 minoribus lobis oppositis, ligulatis, angulatim incurvis; stylis 
3, brevibus ; fructu lignoso, 3-loculari, seepe abortu monospermo ; se- 
minibus ovatis, compressis.—Fissenia Capensis, Endl. Gen. Plant. 
Suppl. iz. p. 76, absque descriptione. Cnidone Mentzeloides, K. Mey. 
in Herb. Drége, et Presl, Bot. Bemerk. p. 73. Fissenia Capensis, 
Harvey in Thesaur. cap. i. p. 61, et t. 98, sub nomine F. Mentzeloi- 
des, R. Br. 

Hab. Aden (Courbon!). 

Distr. In Namaqualand, regione subtropica Africee austro-occidentalis ! 

Frutex sublignosus, asperrimus, 4—5-pedalis. Cortex pallidus. Folia 
2 une. longa, 1-1} unc. lata; petiolus } unc. longus, teres, striatus, basi 
dilatatus, in nervum prominentem prolongatus. Calyx accrescens, in 
fructu 1} unc. longus; lobis reticulato-nervatis, seabris. Corolla 
calycis lobis dimidio brevior, straminea. 


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INDEX. 


The Synonyms are printed in Italics. 


Abutilon denticulatum, Planch. 
Acacia eburnea, Willd. : 
Edgeworthii, 7. Anders. . 
erioloba, Edgew. 
hamulosa, Benth. ‘ 
Acanthodium sinuatum, B, Nees 
spicatum, Del. ieee 
Acanthus Delilit, Spr. 

edulis, Vahl . 
imbricatus, Edgew. . 
pectinatus, Willd. . 


Achyranthes alopecuroides, Lam. . 


incana, Roxb. <. . : 
Javanica, Pers. . 
papposa, Forsk. . 
Adenium Hongel, Lindl. 
obesum, Ram. et Sch. 
fHluropus Arabicus, Steud. . 
Airva Agyptiaca, Gmel. 
incana, Mart. . 
Javanica, Juss. 
tomentosa, Forsk. 
Amyris Opobalsamum, Forsk. 


Anarrhinum pedicellatum, 7’. Anders. 


Anticharis Arabica, Endl. 
Antichorus depressus, L. . 


Page | 


Argyrolobium Arabicum, Tans et 


Spach . ; 
Aristida Baxcoaciosin, im 
Canariensis, Willd. 
cerulescens, Desf. 
depressa, Retz. . 
—— gigantea, Linn. fil. . 
—— Hystrix, Roxb. . 
lanata, Forsk. 
— Mawuritiana, Kunth 
— Paradisea, Kdgew. 
plumosa, L. 
setacea, Retz. ae 
vulgaris, Trin. et Rupr. 


Arthratherwm a ie Coss. et 


Dur. 


Asclepias radians, Forsk. 


pogonoptilum, Jaub. et Spach 


Balanus myrepsica, Belon 

Balsamodendron Opobalsamum, 
Kunth . ais Paani i 

pubescens, Stocks 

Blepharis edulis, Pers. . : 

Boerhaavia Burchelli, Choisy : 

dichotoma, Vahl 

elegans, Choisy : 

grandiflora, Rich. . 

—— plumbaginea, Cav. . 

repanda, Willd. . 

rubicunda, Steud. 

scandens, Forsk. 

——- scandens, Z.. . 

stellata, Wight . 

verticillata, Poir. 

Bouchea marrubiifolia, Schauer 

Bovea Sinaica, Dene. Sons 

a 


Brachyramphus lactucoides, 

Anders. 
Breweria evolvuloides, Choisy . 
Cadaba glandulosa, Forsk, 
longifolia, DC. . . . 
Caidbeja adherens, Forsk. . 
Calotheca Arabica, Spr. . 
Cameraria obesa, Spr. 
Campylanthus junceus, Edgew. 
Capparis cartilaginea, Dene. 
galeata, Fres. 
—— Murrayana, Grah. . 
uncinata, Edgew. . 
Capraria Arabica, Hoch. et Steud. 
Cassia cana, Wender, 
obovata, Coli. 
— pubescens, Bras 

pubescens, Ehrbg. et Hemp. . 
Schimperi, Steud. : 
Senna, Lam.. . 
tomentosa, Ehrbg. et Hemp. 
Catacline sericea, Kdgew. 
Celosia lanata, Ei 
Cenchrus ciliaris, 1. : 
aca hae Hochst. et 
Steud. ean Oey Rap 


46 


Ceratonychia Nidus, Edgew. 
Chadra tenax, Forsk. . 


Chascanum marrubiifolium, Fenzl 


Chloris mucronata, Mich. : 
Tetrapogon, Pal. de Beauv. 
villosa, Pers. . : 
Citrullus Colocynthis, Arn. . 
Cleome brachycarpa, Vahl . . 
dwersifolia, Hochst. et Steud. 
gracilis, Edgew. 

linearis, Stocks . 
moschata, Stocks 

—— muricata, Edgew. . 
papillosa, Steud. 
paradoxa, Br. : 
pruinosa, 7. Anders. 
—— quinquenervia, DC. 
Vahliana, Fres.. . ; 
Cnidone mentzeloides, EK. Mey. F 
Cometes Abyssinica, Br. . . 
apiculata, Dene. 
Convolvulus capitatus, Vahl 
glomeratus, Choisy. . . 
sericophyllus, 7. Anders. . 
Corchorus Antichorus, Roems. . 
Sruticulosus, Vis. 

humilis, Munro . : 
Cressa latifolia, 7. Anders. . 
Croton oblongifolium, Del. 
spinosum, Forsk. . . 
Crozophora oblongifolia, Juss. . 
Cucumis wmarus, Stocks . 
anguinus, Forsk. 

—- Arabicus, Del. 
Colocynthis, L. . 
Prophetarum, L. 
Cynosurus Atgyptius, L.. . 
Cyperus conglomeratus, Rottb. 
Cytisus Arabicus, Dene. . 
Dactylis mucronata, Steud. . 


Dactyloctenium Agyptiacum, Willd. 


aristatum, Link . : 
Australe, Steud. .. . 
distachywm, Bojer . 
—. Figarei, Notar. . 
mucronatum, Willd. 
prostratum, Willd.. . 
Diplotaxis crassifolia, DC. . 
hispida, DC... . 
— Lagascana, DC. 

nana, Boiss. . 
pendula, DC. 
Dipterygium glaucum, Dene. 
scabrum, Dene. r 
Eleusine Aygyptiaca, Roxb.. 


foliata, Boiss. 
Eragrostis ciliaris, Link . 
pulchella, Parl. . 
Erodium Arabicwn, Dene. . 


Ephedra ciliata, Fisch. et Meyer 


INDEX. 
Page 
33 | Erodium bryoniefolium, Boiss. pat 
11 malapoides, Wiild. . 11 
28 | Euphorbia Aigyptiaca, Boiss. . 34 
41 | —— Arabica, Hochst. et Steud. 34 
41 arillata, EKdgew. 34 
41 cuneata, Vahl 35 
20 Forskalii, Gay . 34. 
4, Sruticosa, Kdgew. 35 
4 Schimperi, Presl 34: 
3 systyla, Hdgew. . 35 
3 | Fagonia acerosa, Boiss. . 11 
4 Arabica, L. : 12 
2 | —— Aucheri, Boiss. . ote 11 
3 Bruguierit, DC. . . . « 11 
2 | —— Californica, Benth. : 11 
3 | —— Chilensis, Hook. et Arn. . 11 
3 cistoides, Del. ers 11 
4. Cretica, Z. 6 11 
43 dwwersifolia, Boiss. . 12 
32 echinella, Boiss. Tr 
33 fruticans, Coss. . 12 
25 glutinosa, Del. 11 
24, grandiflora, Boiss. . rT 
25 | —— Hispanica, L. fle 
10 | —— Kahirana, Boiss. . es ee 
10 latifolia, Del. ss, ek 
10 mollis, Del. 2k ee 
25 | —— myriacantha, Boiss. ay 
36 | —— Mysorensis, Roth . . . 11 
36 | —— Oliveri, DC... . 11 
36 parviflora, Boiss. . . 1 
19 | --— Persica, DOM «kan if 
19 Sinaica, Boiss. . TE 
19 subinermis, Boiss. iT 
20 | —— Thebaica, Boiss. 11 
19 vUrens, Oss 12 
41 | Farsetia stylosa, T. Anders. . 1 
38 | Festuca mucronata, Forsk. 42 
15 pungens, Var. 42 
42 | Fissenia Capensis, Endl. et Harv.. 43 
41 mentzeloides, Harv. . . . 48 
41 | Forskohlia tenacissima, Eee 36 
41 | Galega Apollinea, Del. . 16 
41 | Glossonema Boveanum, Dene... . 24 
41 | Gomphocarpus pauciflorus, Hochst 
41 et Steud. . . ; 24 
41 | Grewia betulefolia, Roth 11 
2 populifolia, Vahl 10 
2 | Hedyotis sp., Edgew... . . 21 
2 Heliotropium brevifolium, Wall. 26 
2 Sruticosum, Forsk. 26 
2 | —— parvifolium, Edgew. 26 
1 strigosum, Willd. 25 
1 tenue, Wall. . . 26 
41 tenuifolium, Br. . 26 
37 | Hibiscus clandestinus, Cav... 8 
37 intermedius, Hochst. 8 
41 micranthus, Cav. 8 
41 | —— micranthus, Z. . 8 
11 ovalifolius, Vahl 8 


et 


LE el ee eee ee 


INDEX. 
Page 
Hibiscus parvifolius, Hochst. . 8 | Polygala obtusata, DC. . 
rigidus, Linn. fil : 8 paniculata, Forsk. . 
Welshii, 7. Anders. ; 8 Rothiana, W. et A.. 
Hochstetteria Schimperi, DC. . 22 serpyllifolia, Poir. . 
Hyperanthera, Forsk. ait? 14: triiorag Be) 89. 
Illecebrum Javanicum, Ait... 31 Vahliana, DC. . . . 
Indigofera Arabica, Jaub. et Spach 15 | Portulaca decumbens, Vahl . 
Iphiona scabra, a. . . 22 | Psoralea Arabica, Hochst. . 
Tresine Javanica, Burm. . . 31 | Péeroloma Arabicum, Hochst. et 
Jatropha spinosa, Vahl 36 Steud. . . 
Jussiea edulis, Forsk. 10 | Ptychotis Ar abica, T. Anders. 
Kissenia spathulata, Br.. . 43 | Reseda amblyocarpa, Fes. re 
Kohautia Schimperi, Hochst. et Rhynchosia ek ceca Stocks . 
Steud. : 21 | Ruellia ciliaris, L. ; 
Lactuca Macawocans, C. H. Schultz 23 Persica, Burm.’ 3) iu: 
Lavandula setifera, 7. Anders. . 29 | Saccharum? dissitiflorum, Edgew. 
Limeum Indicum, Stocks 30 | Saccharum Teneriffe, Linn. fil. 
Lindenbergia Sinaica, Benth. 27 | Saltia papposa, Mog. 
Lycium Edgeworthii, Dun. . 26 | Salvadora crassinervia, Hochst. 
— Europeum, Ll. . . 26 paniculata, Zuce. 
Indicum, Wight . 26 Persica, Z. . 
Mediterraneum, Dun. . 26 | Seddera evolvuloides, Wight : 
orientale, Miers . 26 latifolia, Hochst. et Steud. . 
Persicum, Miers . 26 | Setaria viridis, Pal. de Beauv. 
salicifolium, Mill. BAY 3 26 | Sida denticulata, Fres. ; : 
Merua Thomsoni, 7. Anders. . . 5 | Spherocoma Hookeri, 7. Anders. . 
Mathiola stylosa, Hochst. et Steud. 1 | Statice axillaris, Forsk. . 
Meissarrhena tomentosa, Br. 27 Bovei, Jaub. et Spach 
Mollugo Cerviana, Ser. 7 lanceolata, Edgew. 
Moringa aptera, Gartn. . 14 | Steinheilia radians, Dene. 
Zeylanica, L. 14 | Sterculia Abyssinica, Br. . 
Nerium obesum, Forsk. . 23 Arabica, T. Anders. 
Oldenlandia Schimperi, T. Anders, 21 Stipagrostis plumosa, Munro 
Orygia decumbens, Forsk. . 20 | Stremia glandulosa, Vahl 
Pachypodium obesum, G. Don . 23 longifolia, Br. 
Pancratium tortifoliwm, Boiss. 37 monopetala, Edgew. 
—— tortuosum, Herdt. . 37 | Talinum decumbens, Willd. . 
Panicum Teneriffe, Br. 38 | Taverniera glauca, Hdgew. 
viride, L. 39 | Tephrosia Apollinea, DC. 
Papularia crystallina, Forsk. 20 | Tetrapogon villosum, Desf. . 
Pennisetum cenchroides, Rich. 39 | Traganum nudatum, Del. . 
ciliare, Link . > 39 | Trianthema crystallina, Vahl 
— ciliatwm, Parl. 39 triquetra, Rottl. , 
distylum, Guss. . 89 | Tricholeena leucantha, Hochst. . 
rufescens, Spr. 39 micrantha, Schrad. . 
Pharnacewm Cerviana, L. is Teneriffe, Parl. 
Poa ciliaris, L. . . 41 | Urena ovalifolia, Forsk. 
Pogonostigma Arabicum, Boiss. 16 | Valeriana scandens, Forsk. . 
Polygala Arabica, Edgew. 7 | Varthemia Arabica, Boiss. . 
arvensis, Willd.. . 7 | Vernonia a cates Jaub. et 
erioptera, DC. ; i; Spach . . : : 
glaucoides, Wight . 7 | Zizyphus Lotus, Lamk.. 
grandiflora, Wall. . 7 | Zygophyllum portulacoides, Forsk. 
Noucherensis, Camb. 4 simplex, L. : 
THE END. 


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