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

Sect. VII. Prostrate or ascending, rooting, regularly pinnate; l. hamate, circinnato-secund; caps. cernuous, solid, lid convexo-conical.

522. H. molluscum. Dill. St. soft, 1–2in. sub-erect; l. circinnate secund; st. l. cordate; br. l. ovate-lanceolate—all tapering acuminate, striate, serrulate, and faintly two-nerved, crisped when dry; caps. ovate, horizontal; lid conical, large, sharply pointed.

Moist banks and limestone rocks, common. XI.

Sect. VIII. St. erect, rigid, villose, regularly pinnate; l. hamate; caps. oblong, incurved, solid.

523. H. Crista-castrensis. L. St. sub-erect, 3–4in. pectinate; st. l. ovate-acuminate, br. l. narrowly lanceolate acuminate, strongly striate, serrulate near apex—all circinnato-secund, faintly two-nerved, margin reflexed; caps. oblong curved, cernuous, lid conical, pointed; dioicous.

Woods and alpine rocks. VII. VIII.

Sect. IX. St. soft cæspitose, prostrate, branched; l. falcato-secund, rarely spreading, faintly nerved; areolæ linear; per. l. long, deeply sulcate; caps. incurved cernuous, lid convexo-conical or mammillate.

a. Monoicous.

524. H. palustre. Dill. St. creeping; br. ascending, crowded, curved, cuspidate and convolute at apex; l. generally secund, sometimes almost falcate, elliptic-entire, strongly concave, pointed; either nerveless, shortly two-nerved or singly nerved half way; per. l. erect, distinctly striate; caps. ovate, slightly curved; cernuous; lid conical, pointed.

Stones and rocks in streams. V.