| CSSA Haseltonia 8, 2001 |
| Apocynaceae and Asclepiadaceae: united they stand | Mary E.Endress |
| Insights on the pollination biology of Agave (Agavaceae) | Liz A.Slauson |
| Agave decipiens, endemic to Florida | Scott Zona |
| The organpipe cactus, Stenocereus thurberi: distribution, morphology, and ethnobotany of pitahayas | David Yetman & Thomas R.Van Devender |
| South African succulent plants: two new species and two new combinations | Ernst van Jaarsveld |
| Seed germination experiments in Opuntia (Cactaceae) of the northern Chihuahuan Desert | Gretchen Kleim Pendley |
| Cavitation and embolism repair in the dimorphic wood of Rhipsalis lumbricoides (Cactaceae) | Joshua F.Stevenson & James D.Mauseth |
| Dudleya attenuata, with the new subspecies australis | Reid Moran |
| Hybrids of Pachyphytum hookeri (Crassulaceae) and their chromosomes | Charles H.Uhl |
| Wood and bark anatomy in Moringa (Moringaceae) | M.E.Olsen |
| COVER: In this issue Mark Olsen discusses the wood anatomy of Moringa (Moringaceae), a small genus of often succulent trees. Among the most succulent is M.drouhardii, here photographed by Brian kemble in its leafless state at Cap St.Jean., south of Tulear, Madagascar. |