CSSA VOL.89, January-February 2017 No.1 Are some cacti the fastest growing plants in the world? James D.Mauseth Notes on Crassulaceae 3 Myron Kimnach Scadoxus multiflorus the blood or common Fire Ball Lily at the Victoria Falls with notes on plant associates Graham Williamson ex situ conservation of Cactaceae in the Brazilian semiarid: Cactarium Guimäraes Duce Arnóbio de Mendonça, Barreto Cavalcante, Vanessa Gabrielle Nóbrega Gomes, Gabriella Carla Leite de Vasconcelos & Marcus Vinicius Meiado Pushing the limits: landscaping with cacti and succulents in cold climates #22 Leo Chance Beginner's guide to the smaller Tylecodon Tom Glavich Book Review Leo Chance On the cover: The sharp contrast between both the color and texture of these Echeveria pulvinata var. leucotricha flowers was admirably captured by John Trager. The use of a uniformly dark background does much to enhance the visual impact of the image.