CSSA VOL.75, January-February 2003 No.1 The Boojum Tree Myron Kimnach Boojum Trees in Cultivation Bill Thornton A taller - The tallest? - cirio Robert R.Humphrey Transplanting Boojums Bob Perrill Humphrey dies at 97 Reprinted from K.Newland et al. Huernia khalidbinsultanii, a new species from the Kingdom of Saudi Arabia Darrel C.H.Plowes & Tom A.McCoy Mammillaria - a splitter's review (series Ancistracanthae). Part II John Pilbeam, photography by Bill Weightman Three new taxa of Peperomia from Northern Peru Guillermo Pino, Oliver Klopfenstein & Nelson Cieza In search of rock-garden habitats. Part 2. Andrew Wilson & Graham & Francoise Williamson Superb Succulents Duke Benadom

Cover illustration. Discovering new species is exciting, though most often its newness is not realized at the time. Usually some research and observation, not to mention a familiarity with the literature, are required before identification is certain. But in the case of Peperomia cereoides, pictured here, there was little doubt that something totally new and different had been found by an exploring band of plant enthusiasts in Peru in January 2000. A photo of the species was first shown on the Internet wĄth a query as to its identity. So different is it in appearance trom other Peruvian peperomias that it was tirst thought it might belong to the Crassulaceae. lts further collection and study are detailed in the article beginning on page 26, together witb its formal publication as a new species. Guillermo Pino photographed the plant at the type locality nestled among the protective leaves of a Puya species.