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Dr ULRICH MEVE'S book on Duvalia, one of the 30 genera comprising the group of stem-succulent Asclepiadaceae, is a piece of well-done research. The text is supported by excellent illustrations comprising full-page drawings and photo graphs making this monograph a very practicable contribution for both profes sional and amateur botanists. Dr MEVE'S species delimitations are mainly based on morphological, karyological and biogeographical studies, and therefore easy to follow. His taxonomic and well-established biogeographic conclusions have been supported by field observations in southern and...

With theconstant flow of plant species that reached Europe inthetimes of the great expeditions th th inthe 18 and 19 century, the demandf for anyf form of cataloguing thesteadily growingdiv- sity became unevitable. Succulent plants always fascinated plant-loving people above average, th and the first handbooks devoted to succulents were publishedin the19 century. Initially, h- ever, interest was focussed on the Cactaceae. It was only in 1954/55 when Herman Jacobsen (1898 - 1978), the former curator of the Botanic Garden of Kiel, madeavailablea first handbook devoted to succulents (excl....

With theconstant flow of plant species that reached Europe inthetimes of the great expeditions th th inthe 18 and 19 century, the demandf for anyf form of cataloguing thesteadily growingdiv- sity became unevitable. Succulent plants always fascinated plant-loving people above average, th and the first handbooks devoted to succulents were publishedin the19 century. Initially, h- ever, interest was focussed on the Cactaceae. It was only in 1954/55 when Herman Jacobsen (1898 - 1978), the former curator of the Botanic Garden of Kiel, madeavailablea first handbook devoted to succulents (excl....