CAPSULE KEY 67 



Leaves apparently on two opposite sides of stem, 

 straight. 



Capsule partly concealed by leaves .... 47. 

 Capsule not concealed .... 48, 55. 

 Leaves slightly turned to one side, straight or curved 



.... 52. 

 Leaves arranged equally around stem, straight ^ 



46, 50^ 51, 52, 56. 



II. CAPSULE NOT ERECT 



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

 than broad) 



Leaves when moist not easily seen (too small or too closely 

 folded to show if they are straight or curved). 

 Stems pinnately branched .... 71. 

 Stems irregularly branched .... 59, 60, 71. 

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

 see if the leaves are straight or curved, the entire 

 outHne need not show.) 

 Stems pinnately branched; leaves curved .... 70, 71. 

 Stems irregularly branched; ^ leaves curved .... 71. 



b. Capsule short-cylindrical (less than four times longer 

 than broad) 



Leaves when moist not easily seen (too small or too closely 

 folded to show if they are straight or curved). 

 Stems pinnately or irregularly branched .... 



68, 71, 75- 



Stems bipinnately or tripinnately branched .... 68. 



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



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

 belong here. 



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

 belong here. 



