BRYUM. 203 



is a cei'iaiii degree of moisture. Fr. Spring. A common 

 but very sliowy species, whether we regnrd the pale green 

 tufts of foliage, or the large pendulous capsule su})ported on 

 its slender fruit-stalk. It seems to prefer mountainous dis- 

 tricts, and does not occnr on rocks of granitic formation. 



30. BiiYUM cuspiuATUM, Schrcb. {Pointed-leaved Thpne 

 Thread 3Ioss.) Stems elongated; leaves obovate, acumi- 

 nulate, reticulated, their margins thickened, denticulated 

 in the upper half ; nerve running beyond the point; seta 

 mostly solitary ; capsule ovate, pendulous ; lid conico-hemi- 

 spherical, obtuse. — Eng. Fl. p. 6-1. Mnium cuspidatum. 

 Mm. Syn.pt. 1.7^. ISO. 



In woods, at the roots of trees, and on wet banks. Fr. 

 April. A neat species, somewhat smaller than the preced- 

 ing and furnished with creeping shoots, which, as in several 

 other Mosses, take root at the extremities. It is regarded 

 by Bruch and Schimper as the most generally distributed 

 species in this section. 



31. Bryum affine, Brid. {Ma ni/stallced Thpne Thread 

 Moss.) Stems elongated; leaves broadly elliptical, acumi- 

 nulate, reticulated, their margins thickened, denticulated to 

 the very base, the nerve reaching to or beyond the point ; 

 seta; aggregated; capsule oblong, pendulous; lid conical. 



