118 BRITISH MOSSES. 



2. RECTISETiE (STRAIGHT FRUIT-STALK). 



I. Stems tufted, leaves hair-pointed, calyptra mitriform, lobed 

 at the base. Leucophwa. 



(a) . Monoicous. 



Fig. 15. Geimmia Donniana. 



Apple-fruited Grimmia (a) . 

 Colour. Dark green. 

 Stems. Shorty in thick tufts. 



Leaves (b) . Lanceolate, narrow, tapering into hair-points, erect. 

 Capsule. Erect, round, annulus small. Winter. 

 Locality. Rocks and walls, in mountainous districts. 



Fig. 16. Geimmia ovata. 



Ovalfridted Grimmia {a) . 

 Colour. Brownish green. 

 Stems. Longer, tufted, branched. 

 Leaves (b) . Spreading, erect when dry, lanceolate. 

 Capsule. Of thick texture, erect, oval. Winter. 

 Locality. Alpine rocks. 



ih) . Dioicous. 



Fig. 17. Geimmia leucoph.ea. 



Hoary Grimmia (a) . 

 Colour. Very dark green. 

 Stems. Short, tufted. 



Leaves (b) . Erect, spreading, ovate, concave, with extremely long hair-points; 

 Capsule. Erect, elliptical. Spring. 



Locality. On trap rocks. Not common. Scotland, in many places ; also in 

 Devonshire. 



