50 HOW TO KNOW THE MOSSES 



Leaves turned to one side, curved; ^ capsule not erect 



62, 7I0 



Leaves arranged equally around stem, straight. 

 Leaves wide-spreading. 



Capsule almost concealed by leaves .... 42. 

 Capsule not concealed. 

 Capsule erect .... 54, 56. 

 Capsule not erect .... 59, 61, 67, 73, 75, 78. 

 Leaves not wide-spreading.^ 2 3 



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

 Capsule not erect .... 61, 71, 75, 76, 79. 



Plants growing on roots or trunks of trees 



I. LEAVES WHEN MOIST NOT EASILY SEEN 

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



Stems irregularly or rarely pinnately branched.^ 

 Capsules erect .... 50, 51, 52, 53, 55, 56. 

 Capsule not erect .... 59, 60, 68, 71, 75. 



Stems bipinnately or tripinnately branched; capsule not 

 erect .... 68. 



II. LEAVES WHEN MOIST EASILY SEEN 



(It is necessary only to see if the leaves are straight or curved, the entire 

 outline need not show) 



Stems pinnately branched; capsule not erect .... 



68, 69, 70. 

 Stems bipinnately or tripinnately branched; capsule not 

 erect .... 68. 



^ If No. 34 has been mistaken for a pleurocarpous moss, it will apparently 

 belong here. 



2 If No. 19 has been mistaken for a pleurocarpous moss, it will apparently 

 belong here. 



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

 belong here. 



