326 



FRYE 



the capsule. Lid hemispheric, with short beak. Pedicel 8-12 cm. 

 long.— St. Paul Island, Bering Sea; Lake Lindeman, Yukon, Brit- 

 ish America; Labrador; Greenland; northern Europe and the Alps; 

 Siberia. 







tH,l\ 



Fig. 29. Polytrichum hyperboreiim. 



1 = Moist plant, X i. 2 = Dry plant, X i. 3 = Capsule, X 5- 4 = Peristome, 

 X ISO. 5 - Leaf showing lamella; and involute margin, X 15. 6 = Leaf tip X 65 

 7 = Cross section of leaf, X 65. 8 = Cross section of a few lamelte. 



