sentences:  Galpin discovered half a dozen genera and many hundreds of new species.Numerous species are named after him such as "Acacia galpinii", "Bauhinia galpinii", "Cyrtanthus galpinii", "Kleinia galpinii", "Kniphofia galpinii", "Streptocarpus galpinii" and "Watsonia galpinii".He is commemorated in the genus "Galpinia" N.E.Br.