TABLE OF CONTENTS 



XI 



{Figures in heavy type indicate a coloured plate.) 



PAGE 



Preface ......... v 



Biographical notes on the botanists represented on the 



frontispiece ........ vii 



Divisions, classes, orders and families* of Volume i . . xi — xiii 



List of plates . . . . . . . xiv 



Introduction ......... xvii 



PLATE 



Part I. THALLOPHYTA. 



Division I. Myxomycetes. Amoeboid plants 



II. Schizomycetes. Bacteria. . 



III. Schizophyceae. Blue-Green Algae 



IV. Flagellatae. Euglenaceae . 



V. Chlorophyceae. Green Algae 



VI. Conjugatae. Desmids and their allies 



VII. Charales. Stoneworts . 



VIII. Diatomaceae. Diatoms 



IX. Phaeophyceae. Brown Algae 



X. Rhodophyceae. Red Algae 



XI. Eumycetes. True Fungi 



Class I. Phycomycetes (Algal Fungi) 



Class II. Ascomycetes 

 Subclass i. Perisporiales 

 Subclass 2. Pyrenomycetes 

 Subclass 3. Discomycetes 



Class III. Basidiomycetes . 



Subclass 1. Hymenomycetes 

 Subclass 2. Gasteromycetes 



Class IV. Uredineae (Rust Fungi) 



Appendix. Lichenes 



Index of genera and species of Thallophytes 



* In accordance with the international rules of nomenclature the natural groups of 

 genera termed "orders" in the Flora Capensis and various other works are now designated 

 as families, while the term "order" is used for groups of families more or less closely 

 related to each other. 



4 





4 





6 



2 



7 



2 



8 



2 



10 



2 



12 



2 



13 



2 



T 5 



2 



17 



2 



20 



3,4 



20 





26 





26 





27 



17 



28 



3, 4 



29 





29 



3,4 



30 



3 



3 1 



3 



34 





37 





