Contents:

• Chromosome numbers in Brazilian Melocactus (Cactaceae) by José G. A. Assis, Ana L. P. C. Oliveira, Sheila V. Resende, Juliana F. V. Senra and Marlon Machado
• Clonal propagation of Turbinicarpus laui Glass & Foster, a cactus threatened with extinction by Maria del Socorro Santos-Diaz, Ricardo Méndez-Ontiveros, Alberto Arredondo-Gómez and Maria de Lourdes Santos-Diaz
• A new subspecies of Tacinga inamoena (Cactaceae) from eastern Bahia, Brazil by Marlon Machado and Nigel Taylor
• Aloe camperi (Asphodelaceae): the first record of an exotic aloe naturalised in South Africa by Gideon F. Smith, Elsie M.A. Steyn and Neil R. Crouch
• Notes on the distribution and ethnobotany of Kalanchoe paniculata (Crassulaceae) in southern Africa by Gideon F. Smith, Neil R. Crouch and Elsie M. A. Steyn
• Aloe craibii Gideon F.Sm. (Asphodelaceae: Alooideae): a new species of grass aloe from the Barberton Centre of Endemism, Mpumalanga, South Africa by Gideon F. Smith
• The Liverpool Botanic Garden and its cultivated succulents by John Edmondson and Gordon Rowley
• Stem anatomy of Cipocereus (Cactaceae) by Patricia Soffiatti and Veronica Angyalossy
• A new variety of Euphorbia filifora Marloth from the Northern Cape Province of South Africa by Graham Williamson
• Aloe bruynsii (Asphodelaceae: Alooideae), a new species from Madagascar by Paul I. Forster
• The status of Aloe pillansii L. Guthrie (Aloaceae) in Namibia by S. Loots and C. Mannheimer
• Opuntia Index Part 9: S by Richard Crook and Roy Mottram
• Austrocylindropuntia lagopus - clarification of nomenclature and observations in habitat by Ivor Crook, John Arnold and Martin Lowry
• Notes on Trichodiadema Schwantes (Mesembryanthema, Aizoaceae): T.intonsum (Haw.) Schwantes by H.E.K. Hartmann and I.M. Niesler
• New combinations, a new genus and five new species in the Aizoaceae by Cornelia Klak
• The systematic value of nuclear DNA content in Agave L. and some related genera of the Agavaceae by Ben J. M. Zonneveld
• Back to the basics: a simple method of DNA extraction for mucilaginous cacti by M. Patrick Griffith and J. Mark Porter