Vlll 
CONTENTS. 
CHAPTER IX 
PAGE 
PRESERVATION FOE THE HERBARIUM ........ 8 7 
CHAPTER X. 
DISTRIBUTION OF THE FERN GROUP ........... 90 
CHAPTER XI. 
CLASSIFICATION ........... ........ 94 
BRITISH FERNS ............... 109 
BRITISH LYCOPODS .............. 193 
MARSILEACEiE ................. 201 
PILULARIA2 . . ; . 203 
BRITISH HORSETAILS . ............. 204 
CHAPTER XII. 
LOCAL DISTRIBUTION OF BRITISH FERNS ........ 217 
INDEX 
279 
