LEAF KEY 51 



Stems irregularly or rarely pinnalcly branched. 

 Leaves apparently on two opposite sides of stem.^ 

 Leaves straight. 



Capsule partly concealed by leaves .... 47. 

 Capsule not concealed. 

 Capsule erect .... 48, 55. 

 Cai)sule not erect .... 80. 

 Leaves curved; capsule not erect .... 71. 

 Leaves turned to one side, curved; capsule erect .... 52. 

 Leaves arranged equally around stem, straight.- 



Capsule erect 46, 50, 51, 52, 56, 75. 



Capsule not erect .... 75, 78. 



Plants growing on decaying wood, as old logs, 

 stumps, etc. 



I. LEAVES WHEN MOIST NOT EASILY SEEN 

 (Leaves too small or too closely folded to show if they are straight or curved) 



Stems pinnately branched. 



Capsule erect .... 51, 52. 



Capsule not erect .... 71. 

 Stems bipinnately or tripinnately branched; capsule not 



erect .... 57, 68. 

 Stems irregularly branched. 



Capsule erect .... 50, 51, 52, 53, 56. 



Capsule not erect . . . . 59, 71, 75. 



^ If No. 31 has been mistaken for a plcurocarpous moss, it will apparently 

 belonj; here. 



' If No. 21 has been mistaken for a plcurocarpous moss, it will apparently 

 belong here. 



