Page:Books from the Biodiversity Heritage Library (IA synopsisofbritis00hobk).pdf/90

 193. . B. & S. Loosely cæespitose; l. spreading lanceolate acuminate from an ovate erect base, upper ones with white points, margins much recurved; nerve ceasing below apex; per. l. larger with a thinner nerve; caps. elliptical, not pellucid, with an oblique beaked lid; per. teeth dark red; calyptra divided at base.

Rocks and walls, sometimes on trees. XI.—III.

var. β. gracile. per. l. secund, others sub-secund or              spreading, stem decumbent elongated.

γ. rivulare. st. fasciculate, l. ovate-lanceolate dark green obtuse; caps. turbinate. (By streams.)

δ. strictum. l. reddish brown, rigid.

194. . B. & S. Cæspitose, dull green or brownish; l. rigid, not hair-pointed, straight lanceolate acuminate, keeled; nerve strong, reddish brown, excurrent, margin plane; caps. obovate with a rostellate lid; per. teeth large and perforate.

Rocks near the sea. Scotland. XI. XII.

. II. . Plants very short pulvinate; caps. slightly emerging, ventricose on one side, on a short curved seta; calyptra five-lobed or cucullate.

195. . B. & S. In small hoary cushions; l. lower minute loosely imbricate, ovate lanceolate muticous, upper larger, broadly oblong-lanceolate concave, nerve excurrent into long serrated hair; basal cells elongate pellucid, above quadrate opaque; caps. immersed, oval gymnostomous, strongly ventricose; lid plano-convex: monoicous.

Walls and dry limestone rocks. Arthur's Seat (Bell).