210 BRITISH MOSSES. 



Leaves. Of two forms [dimorphous) . Stem leaves (5) recurved, ovate-acuminate ; 



branch leaves roundish ovate, obtuse ; all faiutly denticulate and two-nerved 



at the base. 

 Flowers and Frwit. Dioicous ; capsule oblong, cemuous. Not found in Britain. 



Summer. 

 Locality. Alpine rocks. Very rare. Ben Lawers, not far from the summit. 



Fig. 14. Hypnum Heteeopteetjm. 



Wry-leaved Feather Moss (a) . 



Colour. YeUow green. 



Stems. Procumbent, pinnate, much thicker than the branches, which are curved 



and slender. 

 Leaves (&) . Imbricated obliquely, secund, ovate-acuminate, serrated, base 



two-nerved. 

 Flowers and Fruit. Dioicous ; capsule elliptic, cemuous, horizontal. Rare. 



Winter. 

 Localitj. Moist rocks, near waterfalls. 



