Volume 6 honors Susan Carter Holmes, whose studies of East African Euphorbias are organizing our thinking and understanding of the relationships of these marvelous plants.Susan continues her series, with Part 6 of the studies of East African Euphorbia species and explorers. In addition, articles on the Euphorbias of Zimbabwe by Mike Kimberley, as well as his fascinating story of Euphorbia memoralis and its relation to the voyage of the Bounty. Among other things, Bruce Hargreaves studies the Euphorbia"s of Zimbabwe"s Great Dyke, Werner Rauh describes two Chilean Euphorbias, Gordon Rowley, in his usual masterful fashion, writes about the whys and wherefores of Euphorbia naming, and Daryl Koutnik explores the mystery of Euphorbia ramiglans. Plus, Laurie Duell reveals all about Euphorbia obesa seedling sexing, Joel Lode lyrically introduces us to bicycling the world"s deserts photgraphing Euphorbias and other succulents, Ron LaFon and Herman and Leah Schwartz give a penetrating pictorial essay of a recent trip to Kenya and, finally, we present the latest in our growing Photographic Collection of Succulent Euphorbias by Ron LaFon.