CONTENTS. Xi 



PART VI -GEOGRAPHY. 



CHAPTER I. FACTORS INFLUENCING THE DISTRIBUTION 



OF PLANTS. 



PAGB. 



-Available Water Soil Temperature Light Air Existence of other 



Plants Existence of Animals Fire Action of Man Necessity of 

 avoiding Hasty Conclusions as to Factors responsible for Distribution 

 Power of Adaptation Xerophytes, Hygrophytes, Tropophytes . 218 230 



CHAPTER II. PRINCIPAL TYPES OF VEGETATION. 



Woodland, Grassland and Desert Their Distribution depends chiefly on 

 Moisture, Soil, and Action of Man Pioneer Plants Succession of differ- 

 ent Plant Generations or Crops Action of Man in altering Course of 

 Natural Events is limited Conversion of Grassland into Forest Trees 

 producing Root-suckers favoured in the Struggle with Grasses . . 231 236 



CHAPTER III. PRINCIPAL TYPES OF, INDIAN FORESTS. 



Types of Forests Factors responsible for their Distribution Arid-country 

 Forests Deciduous Forests Evergreen Forests Hill Forests Tidal 

 or Littoral Forests Riparian Forests Distribution of important 

 Species ...... .... 237250 



