CONTENTS 



PAGE 



Order II. Jungermanniales 211 



Anacrogynae ........... 212 



Acrogynae 215 



ANTHOCEROTALES . . . 219 



Mcsci 223 



Order I. Sphagnales 237 



Order II. Andreseales 239 



Order III. Bryales 239 



Bibliography 240 



CHAPTER VIII 

 PTERIDOPHYTA (FERNS) 



Archegonium ...........'. 242 



Antheridium 242 



Embryo 244 



Spore-division 244 



CLASS I. FILICALES ........... 246 



Gametophyte 246 



Sex-organs 248 



Embryo 252 



Mature Sporophyte .......... 254 



Sporangium 263 



SUBCLASS I. EUSPORANGIAT* ......... 265 



Order I. Ophioglossaceae 266 



Order II. Marattiacese 270 



SUBCLASS II. LEPTOSPORANGIAT^: ........ 272 



Order I. Filices 273 



Family 1. Osmundacese 273 



Family 2. Gleicheniacese . 275 



Family 3. Matoniaceae 276 



Family 4. Schizseacese 276 



Family 5. Hymenophyllaceae 277 



Family 6. Cyatheacese 279 



Family 7. Parkeriacese 280 



Family 8. Polypodiaceae 280 



CHAPTER IX 

 PTERIDOPHYTA (CONCLUDED) 



Salviniacese 282 



Marsiliaceae 287 



CLASS II. EQUISETALES 292 



Gametophyte 293 



Sporophyte 295 



Sporangium 301 



