Contents. 



PAGE. 



I. INTRODUCTION 1 



General description of grasses 3 



Plant succession 5 



Glossary of botanical terms 8 



II. KEY TO THE GENERA AND SPECIES OF SOUTH 



AFRICAN GRASSES 11 



Key to the Species 20 



ill. ECOLOGICAL NOTES ON THE PRINCIPAL SPECIES IN 



EACH GENUS 51 



IV. GENERAL SKETCH OF THE GRASSLANDS OF SOUTH 



AFRICA AND THEIR DEVELOPMENT 89 



1. South Western ok. Cape Region oe Macchia or Ftnbosch 89 



A. The Xerosere 90 



B. The Hydrosere 92 



C. The Psammosere 93 



D. Ruderal Species of grasses 94 



The influence of man 95 



The extent of the South Western region 96 



Outliers in Namaqualand 96 



2. The Western Region 96 



A. Coast belt 97 



B. Higher elevations of the Inner Namib 98 



C. Central and Eastern Mountain Ranges ... 98 



D. Northern Areas. Amboland 99 



43. The Sand Veld Region 100 



Tree Veld 101 



4. The Karroo and Karroid Central Region 102 



The boundaries of the region. Transitional types ... 102 



The Karroo proper 103 



The Mountain ranges of the Karroo region 104 



Tii i: Transitional Belt Between Karroo and Eastern Grassveld 104 



The Xerosere 105 



Haas-gras Veld 107 



Mountain grasses and grasslands of the transitional 



belt 109 



