LEAF KEY 49 



Plants growing on rocks not in streams, ponds, or 

 water-holes 



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 not erect .... 57, 71. 

 Stems bipinnately or tripinnately branched; capsule not 



erect .... 57, 68. 

 Stems irregularly branched.^ ^ ^ 



Capsule erect 50, 53, 54, 55, 56. 



Capsule not erect .... 59, 60, 71, 75, 79. 



II. LEAVES WHEN MOIST EASILY SEEN 



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

 outline need not show) 



Stems pinnately branched. 

 Leaves straight; capsule not erect .... 



57, 66, 67, 68, 69, 71. 

 Leaves curved; capsule not erect .... 62, 66, 70, 71. 

 Stems bipinnately or tripinnately branched ; leaves straight ; 



capsule not erect .... 68. 

 Stems somewhat tree-like in branching; leaves straight; 



capsule not erect .... 49. 

 Stems irregularly branched.^ ^ ^ 



Leaves apparently on two opposite sides of stem. 

 Leaves straight. 



Capsule erect .... 48, 55. 

 Capsule not erect .... 72, 73. 

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



* 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. 



