HYPNACEAE 



219 



and Hypnum, referring to the Hypnums that grow in 

 wet places. 



Plants growing in flat mats on rocks in beds of streams; 

 bright green or golden-green, often brownish below. 



6'/<'W5 prostrate, 1-4 inches long; irregularly branched; 

 sometimes leafless below. 



Leaves pointed or rounded, erect or spreading, straight, 

 or curved (especially at tips of stems and branches) ; some- 

 times turned to one side; bright green or golden-green in 

 new growth. 



Seta about i inch long; reddish. 



Capsule short-cylindrical, inclined, curved; reddish- or 

 yellowish-brown; mature in summer. 



Operculum cone-shaped. 



Range, Arctic America, Canada, and the northern United 

 States; Europe; Asia. 



Eygrohypnum 

 dilatatum 



Eygrohypnum cugyrium 

 var. Mackayi 



a. Leaves rounded, somewhat separated .... 



//. dilatatum. 



b. Leaves pointed, crowded .... 



H. pal list re. 



H. cugyrium and variety. 



H. ochraceum. 



