Contents:
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Preface by Prof. Dr P.G. Jordaan

     PART ONE

I    The Classification of the Mesembryanthemaceae
     by Prof. Dr G. Schwantes, 3

II   Key to the Genera of the Mesembryanthemaceae
     by H.M.L. Bolus, 7

III  Key to the Genera of the Mesembryanthemaceae
     by H. Herre and Prof. Dr O.H. Volk, 15

IV   On the Delimitation and the Taxonomic Rank of the Mesembryanthemaceae
     by Prof. Dr H.-D. Ihlenfeldt and Prof. Dr H. Straka, 25

V    Some Aspects of the Biology of Dissemination of the Mesembryanthemaceae
     by Prof. Dr H.-D. Ihlenfeldt, 28

VI   On the Interest of Seedlings and the Epidermis of the Mesembryanthemaceae
     by Dr S. Dupont, 35

VII  Poisonous Mesembryanthemaceae
     by H. Herre, 37

VIII The History of the Discovery and Botanical Introduction of the
     Mesembryanthemaceae, with appropriate Biographical Notes, 38

     PART TWO

     Descriptions of the Genera of the Mesembryanthemaceae, 62

     Bibliography, 312

     Glossary, 314

     Index to Descriptions of the Genera of the Mesembryanthemaceae, 316