THE POLYTRICHACEZ OF WESTERN NORTH AMERICA 323 





= 
(jo 



Gee 
O 
OO 
OGCCSBS 
OOOO 

jer 
‘Q 

— 


— —<— 

Fig. 27. Polytrichum juniperinum. 
1 = Dry plant with capsule, X 1. 2 = Moist antheridial plant; d = antheridial 
disk, X 1. 3 = Immature capsule with calyptra, X 5. 4 = Capsule, X 5. 5 = 
Peristome, X 150. 6 = Leaf showing incurved margin and lamelle on upper side, 
X15. 7 = Leaf tip, X 65. 8 = Cross section of leaf, X 65. 9 = Crosssection of 
a few lamella showing smooth flask-shaped marginal cells, X 250. 
