DICRANUM. 69 



63. D. scHsti, Ounn {D.Blyttii, ed. 1). St. branched, 

 fastigiate. L. flexuoso-patent, or subsecund, from an 

 erect base lanceolate-subulate, soft, entire, nerve 

 excurrent into a fine point ; per. 1. sheatbing, suddenly 

 subulate. Caps, subcernuous, ovate, incurved, without 

 striae, strumose, lid obliquely rostrate. 



Alpine and subalpine rocks. Not common. August. 

 Scotland, N. Wales, Yorkshire. 



64. D. falcatum, Hedw. St. shorter, dichotomously 

 branched and fastigiate. L. strongly falcato-secund, 

 from a lanceolate base, subulato-setaceous, concave, 

 denticulate at apex, nerve excurrent. Caps, cernuous, 

 shortly obovate, strumose, almost smooth when dry, lid 

 large, beaked. 



Alpine rocks. August, September. 



Scotland, N. Wales, Yorkshire. 



65. D. Starkii, Web. and M. St. 1 — 3 in., branched. 

 L. subulate-setaceous from a lanceolate base, falcato- 

 secund, entire, not crisped, nerve narrow, excurrent. 

 Caps, oblong, cylindric, arcuate, gibbous, strumose, 

 striate, subcernuous, with a long oblique beak. 



Alpine rocks. August. 



Scotland, Wales. 



66. D. moUe, Wils. (B. glaciate, ed. 1). St. 2—5 

 inches. L. erecto-patent, oblong-lanceolate, subulate, 

 erecto-patent, purplish, margin incurved, nerve narrow, 

 vanishing in apex. Caps, oblong-cylindric incurved, 

 not striate, beak short, oblique. 



Summits of highest Scotch mountains. 



August, September. 



Section 2. UU-DIOBANUM. 

 Plants robust, tomentose, generally dioicous. L. 



