ft. 



POTTIACEAE 109 



Plants growin<T close together on rocks or soil in moun- 

 tainous or hilly regions, especially limestone country; green 

 above, brownish below; sometimes well fruited 

 in E. ciliata; rare. 



Stems erect, robust, usually ^^-3 inches long; 

 branched. 



Leaves relatively sJwrt and broad, usually at 

 least y^ inch long ; spreading when moist ; sotne- ^ 

 what crisped when dry with tips incurved; green Encalypta 

 above, brownish below. "^^'^^ 



Seta usually about % inch long; yellowish or calyptra en- 

 reddish, larged. 



Capsule in E. ciliata erect, long-cylindrical ; reddish-brown ; 

 mature in summer. 



Calyptra long-cylindrical, closely covering the entire 

 capsule ; straw-colored. 



Operculum long-beaked. 



Encalypta ciliata (Hedw.) Hoffm. has stems about 

 }i inch long. The plants are sometunes well fruited 

 when found, but are less common than the following 

 species. 



Range, Arctic America, Canada, and the northern United 

 States; Europe; Asia; Africa; Australia; Hawaiian Islands. 



Encalypta contorta (Wulf.) Lindb. {E. strcptocarpa 

 Hedw.) is a larger species with stems 1-3 inches long. 

 Sterile plants are frequent in limestone regions, but the 

 fruit has not been reported from America. 



Range, Ontario to Virginia, westward to the Rocky 

 Mountains; Europe; Asia. 



