- Collenette, Sheila: Checklist of Botanical Species of Saudi Arabia
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. Price: UK £2.50; Europe £3 (airmail); Rest of the World £3 (US$10) surface mail, £4 (US$12) Airmail.
- Plowes, Darrel C. H.: A preliminary reassessment of the Genera Hoodia & Trichocaulon (Stapelieae: Asclepiadaceae)
Offprints from this paper which appeared in Asklepios 56 (It includes the additional note from Asklepios 57). Size A4, 10m pages + 2 pages of coloured illustrations, stapled. Price £2.50
- Malaisse, François & Schaijes, Michel: Notes on the Ceropegias of South East Zaire
An offprint from Asklepios 58. A valuable contribution to our understanding of these little known species. Size A4, 10 pages + 2 pages of coloured illustrations, stapled. Price: £2.50
- Back Numbers of Asklepios and Asclepiadaceae
These can be obtained from the Membership Secretary at £7 each, but please check the current availability from him beforehand, as some of the earlier issues are now only available as reprints.