organisms has a small percentage of seed borne infection and thus there is probably a low percentage of infected seeds the organism c malvarum has been deposited and can be obtained from the permanent collection of the fermentation division northern utilization researth branch u s department of agriculture peoria illinois where it has been deposited under an unrestricted deposit as c malvarum nrrl 8096 the fungus c malvarum is pathogenic to teaweed prickley sida spring sida sida spinosa l velvet leaf abutilon theophrastii medic hollyhock althea rosea l cov tree mallows lavatera spp and mallow noncultivated species malva nicaeensis all m parvifloro l and m rotundifolia l the organism c malvarum produces typical anthracnose lesions with abundant sporulation from pustules ascurvuli scattered throughout the lesion on leaves and stems of mature plants these lesions range in size from 0 5 to 2 cm in length sometimes coalesce and frequently develop at the leaf axil the ascervuli are setose and slightly sunken in the host tissue in moist conditions flesh colored slimy masses of spores accumulate on the upper surface of the ascervulus breaking the epidermal layer and cuticle spores conidia are cylindrical with apices rounded and range in size from 4 8 to 5 5 microns by 11 4 to.