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

342. M. spinosum. Voigt. St. robust, sub-ligneous; branches flagelliform sub-arcuate; l. lower small squamiform, obtuse, margins plane; upper obovate or oblong, acuminato-spathulate, larger, crisped when dry; serration bi-geminate, spinulose, nerve excurrent; caps. oval-oblong, reddish brown, slightly inclined or horizontal; lid conical, with an obtuse beak: dioicous.

Roots of trees, and shady sub-alpine rocks. Summer.

Ben Lawers (McKinlay).

343. M. orthorhynchum. Brid. St. ¼–1in. simple; l. lower scattered ovate-acuminate, decurrent, upper ovate-lanceolate, doubly spinuloso-serrate; all undulate and crisped when dry; caps. oval or sub-pyriform horizontal; lid conical, with a blunt beak: dioicous.

Woods, shady banks, &c. Yorkshire, Sussex. Spring.

344. M. serratum. Brid. St. ½–1in. purplish, erect; l. lower reddish on nerve and border, all varying from lanceolate to ovate, acuminate, doubly spinuloso-serrate; per. l. lanceolate; caps. ovate or oval, cernuous; lid large conical, with a short beak: synoicous.

Moist shady rocks and banks. V. VI.

345. M. hornum. L. St. 1–3in. simple; l. linear-lanceolate, acuminate, rigid, slightly decurrent, doubly spinuloso-serrate, nerve also spinulose, not reaching apex; caps. large oblong-ovate, cernuous; lid convex mammillate; seta curved at summit: dioicous.

Shady moist banks and woods, common. V.

346. M. undulatum. Hed. St. 1–3in. decumbent at base, sometimes branched; l. oval-oblong or ligulate, upper very long, all undulate, decurrent, and simply serrate, nerved generally to apex; caps. generally several together, oval or oblong pendulous; lid convex, pointed: dioicous.