A Synopsis of the British Mosses / Containing Descriptions of All the Genera and Species, (With Localities of the Rarer Ones) Found in Great Britain and Ireland, Based Upon Wilson's "Bryologia Britannica," Schimper's "Synopsis," Etc.

by Charles C. P. Hobkirk

Dovedale (Dr. Fraser, 1866); Westmoreland.

487. H. (Amblystegium) serpens. Dill. St. creeping, sub-pinnate, with slender sub-erect branches; l. spreading, ovate-lanceolate, tapering into long points, entire, faintly nerved half way, or sometimes nearly to apex: caps. oblong, cylindrical or obovate, curved, cernuous, reddish at mouth; lid conical acute.

Walls, moist banks, trees, &c., common. IV. V.

488. H. (Amblystegium) radicale. P. Beauv. St. creeping, with sub-erect rigid branches; l. spreading, ovate-lanceolate from a cordate or deltoid base, twice as large as last, and strongly nerved almost to the long tapering apex; per. l. larger serrate; seta long (sometimes 2in.); caps. oblong, much curved, cernuous, not red at mouth; lid conical, with a short sharp beak.

Moist ground amongst grass. Wales. IV. V.

489. H. (Amblystegium) irriguum. Hook. St. procumbent rigid, sometimes pinnate; l. spreading, secund, gradually tapering to a point from a deltoid-ovate somewhat decurrent base, sub-serrulate, strongly nerved nearly to apex; caps. oblong, cernuous, curved, when dry more so, and contracted at mouth; annulus persistent; lid conical, blunt-pointed.

Stones in rivulets and streams. IV.

490. H. (Amblystegium) fluviatile. Swartz. St. procumbent, with simple, prostrate, not rigid branches; l. ovate or ovate-lanceolate, acute, entire, concave, strongly nerved almost to apex; caps. slender, elliptical, elongate, sub-erect, only slightly curved; lid conical.

Rocks and stones in mountain streams. V. VI.

2. L. areolæ narrow, rhomboido-hexagonal, prosenchymatous at base only, rectangulo–6–gonal.