LEAFY-MOSSES (Continued) 



Contents 



PAGE 



Genus Pleuridium 137 



Pleuridium subulatum 138 



Genus Bruchia 139 



Brucbia flexuosa 139 



Genus Archidium 140 



Archidium Ohiense 140 



Genus Astomum 141 



Astomum Sullivantii . 142 



Genus Gymnostomum 143 



Gymnostomum calcareum 143 



curvirostrum 144 



Genus Weisia 145 



Weisia viridula 146 



Genus Trematodon 147 



Trematodon ambiguum 149 



longicollis 150 



Genus Dicranella 1 50 



Dicranella leteromalla 151 



Genus Dicranum 152 



Dicranum flagellare 154 



scoparimn 155 



Genus Fissidens 157 



Fissidens adiantoides 160 



Genus Leucobryum 161 



Leucobryum vulgare 1 63 



Genus Octoblepharum . 165 



Octoblepharum albidum 165 



Genus Ceratodon 166 



Ceraiodon purpureum 167 



" var. xanlbopous . .169 



aristatus . . .169 



minor 169 



Genus Pottia 169 



Pottia tmncaia 170 



Genus Ditrichum or Leptotrichum . . . .171 



Ditrichum pallidum 171 



Genus Barbula I7 2 



Barbula ungniculata 1 73 



ccespitosa 175 



xi 



