CONTENTS 



CHAPTER I 

 Introduction i 



CHAPTER n 

 MuscinejE (Bryophyta) — Hepaticve — Marchantiales 8 



CHAPTER HI 

 The Jungermanniales 72 



CHAPTER IV 

 The Anthocerotes 120 



CHAPTER V 

 The Mosses (Musci) : Sphagnales — Andre^ales 160 



CHAPTER VI 

 The Bryales iSS 



CHAPTER VII 

 The Pteridophyta — Filicinee — Ophioclossace^ 229 



CHAPTER VIII 

 Marattiales 273 



CHAPTER IX 

 Filicine^ Leptosporangiat^ 30s 



CHAPTER X 

 The Homosporous Leptosporangiat^ (Filices) 346 



CHAPTER XI 



LEPTOSPORANGIATiE HeTEROSPORE^ (HyDROPTERIDES) 396 



CHAPTER XII 

 EquisetinejE : 443 



CHAPTER XIII 

 Lycopodine^ 483 



CHAPTER XIV 



ISOETACE^ 536 



CHAPTER XV 

 The Nature of the Alternation of Generations 562 



CHAPTER XVI 

 Fossil Archegoniates 576 



CHAPTER XVII 

 Summary and Conclusions.... 592 



ix 



