170 HISTOHY OF BRITISH MOSSES. 



mountainous districts. Fr. November. Distinguished by 

 the glaucous colour of its leaves, which assume a reddish 

 tinge in an aged state. 



9. PoLYTRiCHUM ALOiDES, Hedw. {Bimrf Long-lieacUd 

 Hair Moss.) Stems usually short ; leaves linear-lanceolate, 

 obtuse, their margins plane, serrated, principally at the 

 extremity and at the summit of the keels; capsule nearly 

 erect, cyhndrical; apophysis none; seta very short; stems 

 branched with innovations. — Eng. Fl. f?. 50 ; Milll. Syn. 

 pi. I. p. 203. 



Moist sandy banks, and gravelly soil in woods, common. 

 Fr. "Winter. There is a variety [Dichoni] in which the seta 

 is very short and the stem is branched with innovations. 



10. PoLYTRiCHUM NANUM, Hedw. {Bwarf Rowicl-heailed 

 Hair Moss.) Stems short ; leaves linear-lanceolate, obtuse, 

 their margins and the summit of the keel serrated, princi- 

 pally at the extremity ; capsule nearly erect, subglobose. — 

 Eng. Fl.p. 51 ; Mull. Syn.pt. \. p. 204. 



In similar situations as the preceding, with which it is 

 frequently associated. Fr. Winter. The form of the cap- 

 sule is almost the only mark of distinction from the former. 

 Both are neat little Mosses, and form a distinct group of the 

 genus. Their tufts are frequently surrounded by a deep 



