CONTENTS 



PAGE 



INTRODUCTION 295 



SPECIAL PART 298 



Marchantiaceae .......... 298 



Plagiochasma .......... 298 



Marchantia 299 



Metzgeriaceae ........... 299 



Metzgeria 299 



Jungermanniaceae .......... 302 



Plagiochila 302 



Lophocolea .......... 313 



Radula 313 



Porella 314 



Microlejeunea .......... 314 



Taxilejeunea .......... 315 



Dicranolejeunea .......... 316 



Brachiolejeunea .......... 325 



Marchesinia .......... 326 



Omphalanthus 326 



Frullania 326 



INDEX TO GENERA AND SPECIES 345 



