Page:Books from the Biodiversity Heritage Library (IA synopsisofbritis00hobk).pdf/165

 and less opaque; caps. oblong, almost horizontal; lid conical, without beak: dioicous.

Ben Lawers. Barren. Summer (?)

452. Schwg. St. about ½in. creeping, with erect very slender branches; l. very small, ovate acute, entire concave, margin recurved below, broadly nerved half-way or more; caps. oval-oblong slightly curved, sub-erect or cernuous; lid large, with a distinct beak: dioicous.

Alpine and sub-alpine rocks. Summer.

Scotland; Yorkshire. Fr. not known in Britain.

453. Bruch. St. procumbent, more or less pinnate, often rooting at apex; l. ovate-acuminate, small, more or less secund, denticulate, somewhat papillose at back; nerved singly half way, or short and forked; caps. oblong, scarcely curved, almost erect; lid with a long beak: dioicous.

Moist rocks near waterfalls. xi.

Ireland, Wales, Todmorden.

454. Brid. St. short, sub-erect arched: branches curved and drooping; l. very small ovate, pointed, sub-secund, serrulate at apex, thickly nerved nearly to apex; areolæ oval, smaller and quadrate at base; caps. oblong cernuous, curved; lid large, with a long oblique or curved beak: dioicous.

Shady limestone rocks and walls.

455. Spruce. St. short creeping, tufted; branches short crowded, erect; l. erecto-patent, ovate, long taper pointed, serrate, sub-striate,