CONTENTS. 



INTRODUCTION 



PAGE 

 I 



FIRST SUBDIVISION: VASCULAR CRYPTOGAMS 



Heteeosporohs Vascular Cryptogams 

 class i. rhizocarpe/e 

 „ ii. selaginellace/e . 



IsospoRous Vascular Cryptogams 

 class iii. lycopodiace/e . 

 ,, iv. filices 

 „ v. ophioglossace^ 

 „ vi. equisetace^ 



Fossil Vascular Cryptogams . 

 SECOND SUBDIVISION: MUSCINE.<E 



class VII. MUSCI . 



„ viii. hepatic^ . 

 Fossil Muscine^ 



THIRD SUBDIVISION: CHARACE^ 



class IX. CHARACE/« 



Fossil Charace^ . 



FOURTH SUBDIVISION : ALG.(E 



class X. FLORIDE^ . 



xi. confervoide.'e heterogam.* 



xii. fucace.4: 



xih. ph/eospore^ 



xiv. conjugate . 



xv. confervoide^ isogam^ 



xvi. multinucleate^ 



xvii. ccenobie/e 



Fossil Alg.* 



21 

 21 



38 



S3 

 S3 

 64 



95 

 100 



114 



132 



136 

 156 



172 



173 



173 

 183 



184 



191 

 219 

 228 



237 

 258 

 272 

 280 

 291 



303 



