CAPSULE KEY 63 



Stems irregularly branched. 



Leaves straight^ .... 63, 67, 75. 

 Leaves curved .... 62. 



Plants growing on rocks, sticks, etc., in or at the edge of 

 streams, ponds, or water-holes 



I. CAPSULE ERECT 



Leaves when moist easily seen. (It is necessary only to see 

 if the leaves are straight or curved, the entire 

 outline need not show.) 

 Leaves straight, erect or spreading." 



Capsule partly concealed by leaves; stems long, 



floating, irregularly branched .... 43. 

 Capsule not concealed. 



Stems tree-Hke in branching .... 45. 



Stems irregularly branched .... 44. 



Leaves more or less curved and turned to one side 



44. 



II. CAPSULE NOT ERECT 



a. Capsule long-cylindrical (at least four times longer 

 than broad) 



Leaves when moist easily seen (it is necessary only to see 

 if the leaves are straight or curved, the entire out- 

 line need not show) ; stems irregularly branched. 

 Leaves straight, spreading .... 44, 59, 61. 

 Leaves more or less curved and turned to one side 



.... 44, 62. 



* If No. 34 has been mistaken for a plcurocarpous moss, it will apparently 

 bclont; here. 



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

 belong here. 



