ILLUSTRATIONS xix 



Bryum argenteum 130 



Rhodobryum ontariense 132 



aulacomnium heterosticiium i40 



aulacomnium palustre 141 



Plagiopus Oederi 143 



Bartramia pomiformis 144 



Philonotis fontana 146 



TiMMIA CUCULLATA I48 



Webera sessilis 150 



Buxbaumia apiiylla 152 



Georgia pellucida 154 



Catharinaea undulata 157 



Catharinaea angustata 158 



POGONATUM BREVICAULE l6l 



Pogonatum capillare 162 



Hedwigia albicans 173 



FONTINALIS antipyretic A VAR. GIGANTEA 1 75 



Fontinalis novae-angliae 175 



DiCHELYMA CAPILLACEUM I77 



Climacium dendroides 179 



Leucodon julaceus 183 



Leucodon brachypus 183 



Neckera pennata 185 



Homalia Jamesii 186 



Thamnium alleghaniense 188 



Entodon cladorrhizans 190 



Entodon seductrix 190 



Platygyrium repens 192 



Pylaisia Sciiimperi 193 



