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BRITISH MOSSES. 



2. RECTISET2E (STRAIGHT FRUIT-STALK). 



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

 at the base. Leucophcea. 



(a) . Monoicous. 



Fig. 15. Geimmia Donniana. 

 Apple-fruited Grimmia (a) . 



Colour. Dark green. 

 Stems. Short, 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. 

 Oval-fruited 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. 



(b) . Dioicous. 



Fig. 17. Geimmia leucopilea. 

 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. 



