CONTENTS 



ABBREVIATIONS OF NA]\IES OF AUTHORS . . xxiii 



INTRODUCTION i 



HABIT AND MANNER OF GROWTH 12 



LEAVES 15 



CAPSULES 20 



THE KEYS EXPLAINED 23 



HOW TO USE THE KEYS 26 



HELPFUL SUGGESTIONS 32 



KEY TO DISTINGUISH MOSSES FROM COMIMON 



HEPATICS AND LICHENS 39 



LEAF KEY TO GENERA 41 



CAPSULE KEY TO GENERA 53 



LIST OF GENERA 70 



Class BRYOPHYTES — Sub-Class MUSCI 

 Order I. SPHAGNALES 



Family SPHAGNACEAE 73 



Order IL ANDREAEALES 



Family ANDREAEACEAE 75 



Order III. BRYALES 

 ACROCARPI 



Family DICRANACEAE 77 



Family LEUCOBRYACEAE 95 



Family FISSIDENTACEAE 97 



