CSSA VOL.71, January/February 1999 No.1 The habitats of Pachypodium in Madagascar, Part 2 J.J.Lavranos & Walter Röösli Mammillaria - a splitter's review (the series Longiflorae) John Pilbeam Euphorbia suppresa J.G.Marx and Euphorbia gamkensis J.G.Marx, two hitherto unamed species from the Western Cape Province, South Africa Gerhard Marx Spotlight on Round Robins Braden Engelke & Rita Fleischmann Superb Succulents Duke Benadom