8 BRITISH M088E8. 



II. Leaves nerved. 



Fig. 4. Andee^a eothii. 



Black Mountain Moss (a) . 

 Colour. Brownisli-black. 



kHems. Half-inch long, branched. In loose tufts [incoherent) . 

 Leaves (b) . Long, narrow, and curved like a sickle, lying over each other on 



the stem (falcato-secuncT) ; awl-shaped at the end [suhulate) . Those of 



the perichEetium (c) twice the length of the others. 

 Capsule. Buried in the leaves (immersed) . 

 fjocality. On mountain rocks. 



Fig. 5. Andee^a nivalis. 

 Snow Moss (a) . 



Colour. Greenish or reddish-brown; paler than the other species. 

 'Stems. One to three inches long, sparingly branched. 



Leaves (b) . Sickle-like (falcate) , imbricated loosely, running into a point at the 

 end [subulate), much longer than in the other species; the perichsetial 

 leaves the same, but turning round the stem [convolute) . 

 Capsule. Almost immersed. 



Locality. Rocks at the line of perpetual snow ; on Ben Nevis and other 

 mountains of Scotland. — Wilson's " Bryologia Britannica." 

 All the species of Andrecea bear fruit in the summer. 



