| CSSA VOL.71, November/December 1999 No.6 |
| Pediocactus - the not-so-plain "cactus of the plains", Part 2 | Fred Dortort |
| The name of Echeveria | Reid Moran |
| Orostachys iwarenge | Reid Moran |
| Mac Clarke and Pat Fusaro receive the Superior Service Award | Larry W. Mitich |
| Pilososcereus occultiflorus P.J.Braun & Esteves - a magnificent new species of
Cactaceae from Brazil | Pierre J. Braun & Eddie Esteves Periera |
| Sedum meyranianum, a new species from Jalisco, Mexico | Jean Metzger & Raul Acevedo Rosas |
| Superb Succulents | Duke Benadom |
| A new Arizona hybrid cholla, Opuntia xcampii (Cactaceae) | Marc A. Baker & D.J. Pinkova |
| A second species of Acharagma | Edward F.Anderson |
| Some nomenclatural changes in the Cactaceae, subfamily Opuntioideae | Edward F.Anderson |
| Spotlight on Round Robins | Braden Engelke & Rita Fleischmann |
| Index for Volume 71 | |