193. G. apocarpum. 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. G. maritimum. 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.
Sect. II. Gastero-grimmia. Plants very short
pulvinate; caps. slightly emerging, ventricose
on one side, on a short curved seta; calyptra
five-lobed or cucullate.
195. G. anodon. 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).
