380. C. NIGRITUM. Brid. St. 1in. or more (Wilson says 2–6in. or more), radiculose; l. lanceolate acute, margin reflexed entire, nerved nearly to apex; upper ones largest; caps. small globose, dark-coloured or black, cernuous; lid small conical.
Wilson says “fruits March (?)” My specimen from Fife is August.
381. D. NUDUM. Brid. Stemless; l. few, ovate-lanceolate, entire, concave, round the base of the seta, generally buried; seta ½–1in.; caps. sub-globose reddish, cernuous, small; lid conical acute.
Near Manchester (Cayley); Todmorden (Hobkirk).
382. S. VASCULOSUM. L. Stem ¼–1in. radiculose; l. roundish ovate, obtuse, or ovate-acuminate, entire, narrow at base, not nerved to apex, areolæ lax; caps. small cylindrical on a large globular apophysis; lid convex: dioicous.
383. S. AMPULLACEUM. L. St. about 1in.; l. lower lanceolate, upper larger obovate or oblong-lanceolate, all serrate or sometimes entire, acuminate, nerved nearly to apex; areolæ lax; seta dilated above into a turbinate apophysis, bearing the small cylindrical caps.; the whole shaped like the ancient _ampulla_; lid conical; mono- or dioicous.
384. S. SPHŒRICUM. Hedw. St. ½–1in.; l. roundish obovate, acuminate, scarcely serrate, lower smaller, nerved nearly to apex; apophysis not tapering, roundish ovate, about same width as cylindrical capsule; lid mammillate: dioicous.
385. T. MNIOIDES. B. & S. St. ½–3in. tufted; l. sub-erect obovate or nearly elliptical, suddenly narrowed into a long piliferous point, concave, entire, nerved to apex; caps. elliptical on a large obovate apophysis of about same width; lid conical obtuse.
Moist mountainous situations, on dung, &c. V.
386. T. ANGUSTATUS. B. & S. St. ½–2in. tufted; l. sub-erect, ovate-lanceolate concave, narrowed into long tapering points, serrate; caps. ovate on an obconical apophysis; lid conical obtuse.
387. T. SERRATA. B. & S. St. scarcely 1in.; l. erecto-patent, recurved above, oblong-obovate, lower ovate-lanceolate acuminate, serrate above, not nerved to apex; caps. oval on a long tapering apophysis; lid convex obtuse.
var. γ. _tenuis._ “l. broader and shorter, caps. smaller on a more slender stalk, much contracted when dry, columella exserted.” Wils.
Normal form not found in Britain—only var. γ on turfy soil on Scotch mountains. VII. VIII.
