68 SYNOPSIS OF BRITISH MOSSES. 



Wet sandstone rocks. Rare. October — February. 

 Llanberis, N.Wales (W.Wilson), Dolgelly, Dunoon. 



61. D. heteromalla, Medw. St. ^ — 1 inch, simple or 

 branched, in silky tufts. L. lanceolate, suddenly, seta- 

 ceous, slightly dentate at apex. Caps, obovate, sub- 

 erect, tapering, slightly striate when dry, lid with a 

 long beak, seta pale yellowish. 



Moist banks and walls. Yei-y common. 



November — March. 



Var. fi. STEiCTA. L. erecto-patent, straight, not 

 secand, seta longer, flexuose. 



Var. 7. INTEREUPTA. Larger. St. interrupted, leafy. 

 L. spreading or falcato-secund. 



Var. S. SEEicEA, Schp. Plants taller. L. longer and 

 narrower, diverging almost on all sides, pale green or 

 yellowish, often strongly and remotely toothed. 



Soocoth Hill, Arrochar (McKinlay). 



17. DICRANUM, Hediv. 



[I follow Dr. Braithwaite's arrangement entirely in 

 this genus.] 



Section 1. ABGTOA. 



Plants radiculose at base only. L. lanceolate, subu- 

 late, entire. Caps, small, with a tapering or strumose 

 neck. 



62. D. fulvellum, Sm. St. \ — 2 inches, densely 

 tufted. L. somewhat secund, often falcate, subulate- 

 sdtaceons, dull green, sometimes slightly toothed at 

 apex, nerve predominant; per. 1. large, sheathing. 

 Caps, ovate, sometimes gibbous, 8-furrowed, lid red, 

 obliquely beaked; barren fl. gemmiform. Monoicous. 



Fissures of alpine rocks. July. 



Scotland, N. Wales, Yorkshire, Lakes, &c. 



