52 



HOW TO KNOW THE MOSSES 



II. 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 straight. 



Capsule erect .... 51, 52. 

 Capsule not erect .... 67, 68, 69, 71. 

 Leaves curved. 



Capsule erect .... 52. 

 Capsule not erect . . . . 62, 70, 71. 

 Stems bipinnately or tripinnately branched; leaves straight; 



capsule not erect .... 68. 

 Stems irregularly branched. 

 Leaves apparently on two opposite sides of stem. 

 Leaves straight; capsule not erect .... 72, 73, 75, 80. 

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

 Leaves turned to one side, curved. 

 Capsule erect .... 52. 

 Capsule not erect .... 62. 

 Leaves arranged equally around stem, straight. 

 Leaves wide-spreading. 

 Capsule erect .... 51, 52. 

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

 Leaves not wide-spreading. 

 Capsule erect .... 50, 75. 

 Capsule not erect 7ij 75- 



Scale 



Inches 



Millimeters 



10 15 20 25 30 35 40 45 60 55 60 65 70 75 



