H YPN ACE. E.] Ill [Hypnum. 



pointed. Perichagtial bracts nerveless, inner suddenly subulate from 

 middle and squarroso-recurved ; seta purple very rough, capsule cernuous, 

 castaneous, longish ovate, lid conical, acutely pointed, annulus red, 

 peristome reddish brown, endostome yellow. 



Hab. — On stones in streams and wet places in woods, especially in sub- 

 alpine calcareous districts, frequent, Fr. 12 — 3. 



Cotteral Wood, Manchester {Wilson 1828). 



Var. /3. cataractarum Sauter. 



Dark or yellow-green ; stems nearly simple, elongated, leaves more 

 imbricated, short-pointed, with a stronger nerve, the basal angles with 

 excavate auricles of laxer hyaline cells. 



Syn. — Sauter in Raben. Bryoth. n. 764 (1864), et in Fl. Herzogt. Salxb. iii, 60 (1870). 

 LiMPR. Laubm. iii, 130. 



Hab. — On submersed rocks. Aber, N. Wales [Dixon 1892) ! ! 



Var. y. latifolium Husn. 



Pale green, resembling Acrocladium ctispidattim. Stems subpinnate with 

 few short branches, or nearly simple, pointed at apex. Leaves decurrent, 

 round-triangular, with an acute apiculus. 



Syn. — Brachythecium nvulare Var. latifolium. Husn. Muse. gall. 322 (1892). 



Hab. — Snowdon and Scawfell Pikes {Dixon). 



Var. S. tenue Dixcn. Handb. p. 404. 



Very slender, almost prostrate, yellowish, branches short, often curved 

 at tips ; leaves small, distant, spreading widely when dry. 



Hab.— Fairlight Glen, Hastings {jfamesen). 



Var. c. chrysophyllum Bagnall. Dixon Handb. 1. c. 



In glossy pale yellow tufts, densely fastigiate-branched ; leaves large, 

 normal in form, serratures obsolete, except at apex, margin reflexed, cells 

 hyaline. 



Hab.— Sherbrook Valley near Hednesford, Staffs. [Bagnall 1898) ! ! 



Var. y. does not seem to be the same as H. latifolium Lindberg, from whom 

 I have a specimen ; in it the apiculus is much longer, the margin recurved 

 below, and the cells shorter and wider. 



This species is very variable and in some of its forms comes very close to 

 H. mtabulum, to which some authors are inclined to unite it, but it is a more 



