BRADLEYA 4 / 1986

Yearbook of the British Cactus and Succulent Society

by BCSS

Pages:	96
Year:	1986
Language:	English
Size (cm):	18.5 x 25.0
Size (inches):	7 1/4 x 9 3/4
ISBN:	0902099124
Binding:	softbound
Lowest price:	GBP 20.00

Review by BCSS:

1. A revision of the genus Neolloydia B. & R. (Cactaceae) (Pages 1-28) Edward F. Anderson Department of Biology, Whitman College, Walla Walla, Washington 99362, U.S.A. Summary: The Neolloydia conoidea complex (N. conoidea, N. grandiflora, N. ceratites, N. texensis, and N. matehualensis) is shown to consist of a single species, N. conoidea. Neolloydia conoidea is compared with Echinomastus spp. and with N. warnockii; the latter is more closely related to Echinomastus and should be included in that genus. Several members of the Cactinae are compared on the basis of 26 characters. These data show that Gymnocactus, Turbinicarpus, Rapicactus, and Normanbokea should be included in Neolloydia to create a larger, newly-defined genus containing the following 15 species: N. conoidea, N. subterranea, N. mandragora (comb. nov.), N. valdeziana (comb. nov.), N. pseudopectinata (comb. nov.), N. gielsdorfiana, N. viereckii, N. horripila, N. smithii (= G. beguinii), N. saueri, N. knuthiana, N. schmiedickeana (comb. nov.), N. lophophoroides (comb. nov.), N. pseudomacrochele (comb. nov.), and N. laui (comb. nov.). Thelocactus is a closely related but separate genus.

2. Miscellaneous notes on Ceropegieae (Asclepiadaceae) (Pages 29-38) P. V. Bruyns. Summary: New records for the rare species Rhytidocaulon paradoxum and Brachystelma discoideum are discussed. Caralluma tuberculata is shown to have an Indo-Arabian distribution with a new synonym, C. plicatiloba. The discovery of an alcohol specimen of the type collection of Stultitia miscella established that Caralluma bredae must be regarded as a synonym of it.

3. A new review of Mammillaria names: N-R (Pages 39-64) David Hunt Royal Botanic Gardens, Kew, Richmond, Surrey. Summary: This is the fourth instalment of an annotated list of Mammillaria names, continued from Bradleya 3: 53-66 (1985).

4. The genera of the Cactaceae: towards a new consensus. Preliminary findings of an ad hoc Working Party under the auspices of the International Organization for Succulent Plant Study (Pages 65-78). Summary: Recognizing the need for an internationally acceptable classification of the Cactaceae, and finding themselves broadly in agreement on the desirable 'level' of genus in this family, members of an lOS Working Party have agreed on a provisional list of genera recommended for adoption in forthcoming works of reference and other applications such as the arrangement of herbaria and the taxonomy of cacti of economic or conservation interest. The list of genera is presented with full synonymy and index.

5. Seed-morphology of the genus Notocactus (Pages 79-96) W. Glaetzle and K. H. Prestle. Summary. The seed-morphology of the genus Notocactus (Schumann) Fric (sensu lato) was examined, and the genus divided into the following groups on the basis of seed-characters: IA. N. OTTONIS Group; IB. N. LINKII Group; II. N. CONCINNUS-N. SCOPA Group; IIIA. N. MAMMULOSUS Group: IIIB. N. UEBELMANNIANUS Group; IV. BRASILICACTUS Group; V. WIGGINSIA (Malacocarpus) Group; VI. ERIOCACTUS Group; VII. BRASILIPARODIA Group. A comparison with the seeds of the genus Parodia Speg. shows the close relationship of the two genera.

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