Bradleya 25/2007


Editorials : Colin C. Walker, David Hunt, Gordon D. Rowley and Nigel Taylor

The identity of Aloe steudneri Schweinfurth and a new species, Aloe neosteudneri, from Mt. Saber, Eritrea John J. Lavranos and Tom A. McCoy

Aloe argyrostachys, a beautiful new species from the mountains of central Madagascar John J. Lavranos, Bakolimalala Rakouth and Tom A. McCoy

A key to the genus Conophytum N.E.Br. Tom Jacobs

Micropropagation of Aloe calcairophila and Aloe polyphylla: the effect of different carbon sources on shoot multiplication and rooting Beena Nandha and Viswambharan Sarasan

Parodia allosiphon (Marchesi) N. P. Taylor (Cactaceae - Cactoideae) - a cladistically `basal' species with a restricted distribution range (Notes towards a checklist of Cactaceae of Uruguay, 2) Urs Eggli and Reto Nyffeler

Taxonomy and conservation of Haageocereus Backeb. (Cactaceae) in Peru Natalia Calderon, Daniela Zappi, Nigel Taylor and Aldo Ceroni

The neotype illustration of Echinocactus mammulosus Lemaire Nigel Taylor

Floral biology of Pilosocereus tuberculatus (Werderm.) Byles & Rowley: a bat pollinated cactus endemic from the "Caatinga" in northeastern Brazil Emerson Antônio Rocha, Isabel Cristina Machado and Daniela Cristina Zappi

Studies in Aizoaceae: eight new subgenera in Drosanthemum Schwantes H.E.K. Hartmann

Nectaries in Aizoaceae: the case of Glottiphyllum N.E.Br. I.M. Niesler and H.E.K. Hartmann

A localized loss of the chloroplast rpl16 intron in Mammillaria series Stylothelae (Cactaceae) delineates members of the M.crinita group Charles A. Butterworth, Kara M. Butterworth, W. A. Fitz Maurice and Betty Fitz Maurice

Naturalised species of Agave L. (Agavaceae) in the Cape Floristic Region, South Africa Gideon F. Smith and Ronell R. Klopper

Book review Colin C. Walker

Bradleya 03

Front cover: Haageocereus decumbens originally imported from Karel Knize s.n. cult. G.C. Photo: Graham Charles
Back cover top: Haageocereus pseudomelanostele x Espostoa nana ( = Haageocereus zehnderi, x Haagespostoa ) GC252.01 in fruit west of Huallanca, Ancash, central Peru at 1,300m on 20th April 1998. Photo: Graham Charles
Back cover bottom: Haageocereus pseudomelanostele subsp. aureispinus, in the Pativìlca valley in Ancash, Peru at 1,220m on 4th December 2005. It was in fruit at the time and grew with a number of other cacti: Haageocereus acranthus, Neoraimondia arequipensis, Armatocereus procerus, Espostoa melanostele, Mila sp. and Melocactus peruvianus. Photo: Paul Hoxey.








Total number of pages - 196 + Cover
127 colour photographs, 50 black and white photographs, 16 maps and 12 drawings

ISBN 0 902099 79 5
ISSN 0265-086X