CONTENTS 



CHAPTER 



LIST OF ILLUSTRATIONS . 

 ACKNOWLEDGMENTS . 



I. WHAT IS PLANT GEOGRAPHY? 



Plan of the book 



Geographical patterns 



Climate the master 



The ideal plant . 



Plant sociology . 



The animal side . 



Some earlier works on plant geography 



II. THE VARIOUS GROUPS OF PLANTS AND 

 HOW AND WHERE THEY LIVE 



Classification and nomenclature 



Schizophyta 



Thallophyta 



Bryophyta . 



Pteridophyta 



Spermatophyta 



Further consideration 



III. PHYSIOLOGICAL REACTIONS, ' ADAPTA- 

 TIONS ', AND LIFE-FORMS 



Physiological make-up .... 

 Ecological limitation .... 

 Structural ' adaptations ' of vegetative parts 

 Classification by life-forms . 

 Further consideration .... 



IV. DISPERSAL AND MIGRATION : AIDS AND 

 BARRIERS .... 



Wind dispersal ..... 



Dispersal by water and ice . 

 Dispersal by animals (apart from Alan) 

 Dispersal by human agency . 

 Mechanical dispersal .... 



Barriers ...... 



Further consideration .... 



V. EVOLUTIONARY DEVELOPMENT AND PAST 

 HISTORY 



Groups of fossil lower plants 

 Fossil Seed-plants 



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