| CSSA VOL.70, November/December 1998 No.6 |
| Echinocereus mapimiensis: a new species from Coahuila, Mexico | Edward F. Anderson, Wendy Hodgson & Patrick Quirk |
| Some tips on collecting field data | Richard May |
| Yucca capensis (Agavaceae, Yuccoideae), a new species from Baja California Sur, Mexico | Lee W. Lenz |
| Conservation - a common-sense approach | Dan Bach |
| Some changes of status in Echeveria | Myron Kimnach |
| Matelea cyclophylla: some recent notes on a popular asclepiad caudiciform from Mexico | Burl L. Mostul & Miguel Cházaro B. |
| The caatinga vegetation of northeastern Brazil | Marlon Machado |
| Three Sansevieria species of Kenya. II. S. braunii | Paul Kamau Mbugua |
| Book Review. Haseltonia 5 | Michael Hawkes |
| Cacti and Succulents for the Amateur | Duke Benadom |
| Spotlight on Round Robins | Braden Engelke & Rita Fleischmann |
| Index to Vol.70 |
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