The checklist tabulates 2,243 species in 837 genera as they refer to the author's collection numbers. The species are listed alphabetically under 142 families. An appendix documents locality data for all Asclepiadaceae collections together with a map locating them. There are 78 pages printed on high quality paper and the attractive cover, in full colour, shows four asclepiads and habitat views. The checklist will prove an essential adjunct to the understanding and enjoyment of this new volume.