196. G. CRINITA. Brid. In loose flat silky tufts; l. imbricate, lowest lanceolate, muticous, upper obovate-oblong channelled, the broad diaphanous apex continued into a long hair, nerve not reaching apex; basal cells elongate diaphanous, upper large rounded thickened; caps. ovate, lightly striate, sub-cernuous, furrowed when dry; lid convex with an obtuse point; cal. dimidiate, two-lobed: monoicous. [Dr. Braithwaite, Jour. Bot. N. S., vol. I., 195.] Mortar of old walls and limestone rocks. Near Hatton, Warwick, 1872 (J. Bagnall). SECT. III. EU-GRIMMIA. L. ending in a hair point; caps. plicate, exserted on a curved seta; cal. multifid at base, or with a single cleft at side. 197. G. ORBICULARIS. B. & S. Densely pulvinate; l. oblong-lanceolate, rounded obtuse at apex, with nerve excurrent into a long hair point, basal cellules large; caps. almost spherical drooping on a curved yellowish seta, slightly striate; lid small convex; annulus narrow; per. teeth trifid, more distantly barred than the next; calyptra dimidiate: monoicous. Limestone rocks. II. III. 198. G. PULVINATA. Sm. Densely pulvinate; st. ½–1in. l. elliptic lanceolate, margin recurved, apex rather obtuse, terminated by the nerve excurrent into a long hair point; caps. drooping reddish brown, ovoid, eight-furrowed; lid convex with a straight beak; calyptra lobed at base; per. teeth dark red bi-trifid, annulus large: monoicous. Rocks and walls. III. IV. β. _obtusa._ lid short obtuse; caps. shorter. 199. G. SCHULTZII. Brid. L. crowded, sub-secund, lanceolate, tapering into a long rough diaphanous point, margins recurved; caps. slightly obovate, furrowed, on a very short curved seta; annulus large; per. teeth long tapering, deeply bifid; monoicous. Sub-alpine rocks. E. S. W. IV. V. 200. G. SUBSQUARROSA. Wils. MS. Dr. F. B. White. Bot. Soc. Edin. Trans, IX., 142. In lax dark green tufts, fuscous at base; st. ⅓–¾in. with dichotomous short curved branches; l. patent squarrose, erect and appressed when dry, lowest from an ovate base gradually lanceolate, muticous, upper longer and extended into a long denticulate hair point, nerve strong, margin recurved; basal cells quadrate hyaline, marginal narrow and elongate, above minute rounded quadrate. Fr. not known. [Dr. Braithwaite, l. c., p. 196.] Rocks. Kinnoul Hill, Perth (Dr. B. White); Moncrieff Hill (Dr. Stirton); Arthur’s Seat and Braid Hills, &c. 201. G. ROBUSTA. Fergusson MS. In large loose tufts, black below, dark green and hoary above; br. fastigiate; l. erecto-patent, appressed when dry, keeled at back with the strong nerve, margin recurved below; lower short muticous, lanceolate from a contracted ovate base, upper longer, gradually tapering into a long smooth hair point; cells quadrate thickened, at centre of base longer, with a single row at margin of basal wing hyaline. [Dr. Braithwaite, l. c. p. 196.]