CONTENTS. 



-»<>♦- 



INTRODUCTION 



PAGE 

 I 



FIRST SUBDIVISION : VASCULAR CRVPTOGAMS 



Heterosporous Vascular Cryptogams 

 class i. rhizocarpe.^ 



,, n. SELAGINELLACE.^ . 



IsospoROUs Vascular Cryptogams 

 class iii. lycopodiace^ . 



,, iv. filices .... 

 v. ophioglossace.-e 

 vi. equisetace.^ 



Fossil Vascular Cryptogams . 



;5 



lO 



21 

 21 

 38 



53 

 53 

 64 



95 

 100 



114 



SECOND SUBDIVISION: MUSCINE.-E 



class VII. 

 ,, VIII. 



MUSCI 



hepatic.^ 



Fossil Muscine/E 



132 



136 

 156 



172 



THIRD SUBDIVISION: CHARACE^ 



class IX. charace.e 

 Fossil Charace.^ . 



^73 



173 

 183 



FOURTH SUBDIVISION : ALGyE 



184 

 191 



219 



228 

 237 



258 



272 



280 



291 



303 



