331. (40) B. julaceum. Sm. St. 1–3in. tufted, with long filiform branches; l. ovate or ovate-elliptical, larger above, concave entire, margin not recurved, not nerved to apex; caps. oblong-obovate or pyriform, pendulous; lid small, convex, pointed.

Alpine and sub-alpine wet rocks. VIII. IX.

var. β. concinnatum. st. shorter, nerve excurrent into a recurved point. Near Kennare (Dr. Taylor); Teesdale (Spruce); Ochills (Lyle).

332. (41) B. argenteum. L. St. ¼–½in. tufted; in silvery white patches; l. lower ovate, upper ovate-lanceolate, all entire except at apex, nerve not reaching pointed tapering apex; margins not recurved; areolæ very lax; caps. oval-oblong, reddish purple, pendulous, neck not tapering; lid faintly pointed.

Roofs, walls, ground, &c. X. VI.

var. β. majus. st. longer, l. greenish, without points. γ. lanatum. smaller, l. with long points, without chlorophyll, silvery white. Largo, Scotland (C. Howie).

333. (42) B. Funkii. Schw. Gregarious; st. branched, branches julaceous; l. crowded at summit of branches; st. and br. leaves ovate, cochleariform, nerve excurrent into a short point; comal leaves ovate-oblong acuminate, shortly cuspidate: areolæ lax; caps. obovate or globoso-pyriform, inclined on a flexuous seta.

Walls, &c. Sandy shore, Southport (Wilson). V. VI.

334. (43) B. Zierii. Dicks. Silvery reddish tufts, st. ½–1in., branches julaceous; l. roundish ovate-acuminate, entire, margins not recurved, not nerved to apex; areolæ lax; caps. large clavate-pyriform, gibbous, with a long slender tapering neck, incurved cernuous; lid small, conical, acute; inner perist. longest, with imperfect cilia.

Crevices of mountainous rocks. E. S. I. X. XI.