CONTENTS 

 CHAPTER I 



INTRODUCTION 



CHAPTER II 

 MUSCINELB (BRYOPHYTA) HEPATIC*: MARCHANTIALES 8 



CHAPTER III 



THE JUNGERMANNIALES 7^ 



CHAPTER IV 

 THE ANTHOCEROTES I2 



CHAPTER V 

 THE MOSSES (Musci) : SPHAGNALES ANDRE^EALES 160 



CHAPTER VI 

 THE BRYALES J 88 



CHAPTER VII 

 THE PTERIDOPHYTA FILICINE^E OPHIOGLOSSACE^E 229 



CHAPTER VIII 

 MARATTIALES 273 



CHAPTER IX 

 FILICINE^ LEPTOSPORANGIAT.E . '. 35 



CHAPTER X 

 THE HOMOSPOROUS LEPTOSPORANGIAT.E (FiocEs) 346 



CHAPTER XI 

 LEPTOSPORANGIAT.E HETEROSPORE^: (HYDROPTERIDES) 396 



CHAPTER XII 

 EQUISETINE.E 443 



CHAPTER XIII 

 LYCOPODINE.E 4&3 



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 



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