annulus simple; per. teeth irregularly torn. [Dr. Braithwaite, l. c. 199.]
Sandstone and granite rocks. Deeside, Aberdeenshire, 1869 (Prof. Barker and Mr. Roy); Bolt Head, Devonshire, in fruit (Mr. Holmes).
215. G. elongata. Kaulfuss. In loose cushioned tufts, black below, innovations olive green with hoary tips. St. slender, repeatedly dichotomous, naked below without radicles. L. patulous, lower lanceolate muticous, upper elongate-lanceolate obtuse with the apex diaphanous, margin erect, basal cells rectangular hyaline at margin, becoming minute and quadrate above; caps. ovate erect smooth pale brown, on a straight seta; lid conical obtuse, annulus narrow; per. t. lanceolate red entire or slightly perforate; calyp. multifid, long beaked. [Dr. Braithwaite, l. c. 199.)
Alpine rocks. Glen Callater and Glen Phee, Clova, 1868 (Fergusson); near Glasgow (Dr. Stirton).
216. G. unicolor. Grev. St. 1-2in. loosely cæspitose, naked below; branches brittle flexuose; l. erect channelled lanceolate-subulate from an ovate base, obtuse, not hair-pointed, rigid, margin incurved, broadly nerved to apex; caps. ovate, nearly erect, with a large annulus and a long straight or slightly inclined beak: dioicous.
Alpine rocks, Clova. IV. (?)
217. G. atrata. Miel. St. cæspitose, 1-2in., l. blackish, rigid, erecto-patent lanceolate-subulate, carinate, margin reflexed, scarcely so obtuse as the last, with a thinner nerve scarcely reaching to apex. Caps. elliptic-oblong on a longer
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