Part 6

210. G. UNGERI. Juratzka. Compact irregular blackish green, hoary tufts; st. short simple or dichotomous; l. erecto-patulous, lower smaller muticous, upper larger lanceolate from an obovate base, ending in a long smooth hair point, margin plane; basal cells quadrate hyaline, above quadrate, then opaque and indistinct; caps. small oval smooth, without annulus, exserted on an erect pale brown seta; lid conical obtuse, calyp. cucullate: monoicous. [Dr. Braithwaite, l. c., 198.]

On earth in crevices of rocks at 1600 feet at Ballater (Rev. J. Fergusson).

211. G. OVATA. W. & M. St. ½in. or more, branched fastigiate; l. spreading, erect when dry, lanceolate tapering into a roughish hair-point, nerve broad indistinct, margin recurved below; caps. ovoid erect exserted reddish brown, annulus large, lid rostellate, with a groove round its base; per. teeth narrow, cleft and perforate: monoicous.

Alpine rocks. Breadalbane and Clova; Snowdon; Charnwood Forest. X.—III.

212. G. LEUCOPHEA. Grey. Dark green hoary tufts; st. ½in.; l. erect, spreading, when dry closely imbricate, upper ovate or elliptical concave, with very long hair points and plane margins, lower ones muticous; caps. smooth elliptical or oblong erect, exserted, with a short conico-rostellate lid, and large dehiscent annulus: dioicous.

Scotland, Devon. IV.

213. G. COMMUTATA. Hueb. Loosely tufted, blackish green, hoary at top; stems slender flexuose, naked below; l. lower small loosely imbricate, upper much longer ovate-lanceolate, from a broad upright base declining, shortly hair-pointed; per. l. three internal erect sheathing, longly pointed; basal cells rectangular, upper quadrate; caps. ovate or ovate-globose erect, smooth, exserted, lid acutely and obliquely rostrate, annulus broad. [Schp. Syn. p. 109. Dr. Braithwaite, l. c. 198.]

Dry quartzose rocks. Moncreiff Hill, Perth (Dr. Stirton); Dunkeld (Dr. B. White); Clova, in fr. (Fergusson.)

Spring.

214. G. MONTANA. B. & S. St. slender dichotomous; l. erecto-patent oblong-lanceolate with a long hair-point, very concave, margin erect; basal cells diaphanous quadrato-hexagonal, above minute rounded thickened opaque; caps. erect on a short seta, ovate small brown very smooth; lid, obliquely rostrate; calyptra large cucullate long beaked, 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 seta, with a large annulus and short rostellate lid: dioicous.

Alpine rocks. Snowdon, Glen Callater. X.–IV.

33. RACOMITRIUM. B. & S.

A. Dichotomously branched, innovations simple fastigiate.

218. R. (DRYPTODON) PATENS. Bridel. Bry. Univ., I., 192. (_Grimmia patens._ Bry. Brit., p. 158.) In dark green or fuscous tufts; st. 2–4in. branched, decumbent and naked below; l. spreading or slightly secund, oblong-lanceolate, gradually tapering to a blunt apex, margin recurved below, nerve strong two-winged at back; per. l. shorter; caps. almost obovate smooth, furrowed when dry, on a pale flexuose seta; annulus large; cal. five-lobed: dioicous.

Moist alpine rocks. S. I. W. IV. V.

219. R. ELLIPTICUM. B. & S. Blackish rigid tufts; st. 1in. decumbent and naked below; l. spreading from an erect base lanceolate oblong, strongly nerved to apex, margins plane thickened; caps. erect roundish smooth, on a short thick seta; lid large conical with a long slender subulate beak: dioicous.

Moist alpine rocks. Scotland, Wales, Ireland. XI.—IV.

220. R. ACICULARE. Brid. St. 1–3in. cæspitose, decumbent and naked at base, branches very leafy; l. spreading or secund, ovate-oblong or broadly lanceolate, obtuse, sometimes toothed at apex, to which the nerve does not reach; caps. erect oblong smooth, with a small mouth, and on a longer and thinner seta, lid with a long straight subulate beak: dioicous.

Wet mountainous rocks by streams. XI.—IV.

var. β. _denticulatum._ l. distinctly and distantly toothed at apex.

221. R. PROTENSUM. A. Braun. St. less rigid than last, and leafy at base; l. generally secund lanceolate-subulate obtuse, nerved to apex; per. l. sheathing; caps. sub-cylindrical thinner, on a pale seta; lid with a long subulate beak; calyp. lobed at base; dioicous.

Moist alpine rocks. Wales, Derbyshire, Yorkshire. IV.

222. R. SUDETICUM. B. & S. St. slender, decumbent and naked at base, l. spreading recurved keeled lanceolate tapering into a long whitish diaphanous denticulate point; caps. small ovoid on a short seta, lid with a shorter acute beak. IV.

B. Branches irregular, with lateral ramuli; innov. not fastigiate.

* L. without diaphanous points.

223. R. FASCICULARE. Brid. St. 1–2in., decumbent at base, with upright innovations, fasciculate; l. crowded, from a broadish erect base lanceolate spreading, muticous, margins recurved, areolæ long narrow sinuous; caps. elliptical with a long subulate lid; calyp. copiously papillose.

Rocks. III.

* * L. with diaphanous points.

224. R. HETEROSTICHUM. Brid. St. ½–1in., base decumbent, branches scarcely fasciculate; l. sometimes secund, lanceolate tapering to a long white denticulate point, margin recurved, areolæ long and sinuous below, above sub-quadrate; caps. sub-cylindrical, mouth very small; calyp. somewhat papillose at apex only; lid short obliquely rostrate.

Rocks and walls. E. W. I. III.

var. β. _alopecurum._ l. with short hair points; caps. smaller.

γ. _gracilescens._ l. obtuse, caps. small, on a short seta.

225. R. MICROCARPON. Brid. St. slender fasciculate with short branches; l. spreading falcato-secund, lanceolate tapering to a short point, areolæ all long and sinuous; caps. small ovate, thin and pale, with a robust rostrate lid.

Highlands of Scotland.

226. R. LANUGINOSUM. Brid. St. very long and slender, fasciculate; l. lanceolate tapering into a long strongly dentate point, sometimes secund or spreading from an erect base; areolæ sinuous; caps. small ovoid, on a short roughish seta, and with a long straight rostrate lid; calyp. papillose above.

Mountains, walls, rocks, and heaths. III.

227. R. CANESCENS. Brid. St. 2–4in. decumbent at base; l. ovate-lanceolate tapering into a long denticulate point, recurved from an erect base, areolæ sinuous; caps. ovoid eight-striate when dry, with a very long subulate lid; calyp. papillose above.

Stony and sandy heaths. III.

var. β. _prolixum._ older innovations only with fasciculate ramuli.

γ. _ericoides._ covered with fasciculate ramuli; l. squarrose.

34. GLYPHOMITRIUM. SCHWG.

228. G. DAVIESII. Schwg. St. ½in. cæspitose; l. linear-lanceolate spreading entire, margin thickened and reflexed below, strongly nerved to apex, areolæ minute, larger at base; caps. erect, almost globose, with a reddish mouth and long rostrate lid; per. teeth converging when moist, reflexed when dry; calyp. large, laciniate at base.

Clefts of rocks. VI. VII.

Giant’s Causeway; Llanberis; Glenarbuck, May, 1863 (W. Galt and McCartney); New Kilpatrick, Killin (McKinlay); Ardtun Mull (Dr. Black); Skye (Hunt); Blairlogie; Craigallion; Campsie Hills (Thompson and Galt).

35. PTYCHOMITRIUM. B. & S.

229. P. POLYPHYLLUM. B. & S. St. ½in. tufted; l. linear-lanceolate from a broadish base, spreading, nerved to the dentate acute apex; caps. elliptical on a long twisted seta; calyp. plicate; lid long subulate.

Mountainous rocks and walls. III. IV.

36. ORTHOTRICHUM. B. & S.

A. Caps. on a very short seta, immersed or shortly exserted; ochrea distinct, calyptra with about ten furrows.

1. Caps. with 16 furrows.

230. O. CUPULATUM. Hoffm. St. under 1in.; l. spreading lanceolate keeled, lower brownish, nerve distinct; caps. obovate, urceolate when dry, with a shortly beaked lid; calyp. hairy; perist. simple, of 16 free equidistant teeth, spreading when dry.

Rocks and walls. IV. V.

2. Caps. with eight furrows.

231. O. STURMII. Hop. & Hornsch. In loose cushions; st. short and erect, or longer and prostrate; l. patent and recurved when moist, incumbent when dry; margin subrevolute, acutely costato-carinate; caps. generally immersed, obovate, with eight obsolete striæ, when dry eight-ribbed and constricted below the mouth; calyp. more or less hairy, shining; per. teeth simple 16 equidistant, erect when dry, slightly incurved. [Bry. Eur. III., t. 109.]

Trap rocks. S. I. (Dr. Wood.) Summer.

232. O. SHAWII. Sch. Resembles the last, but differs by its leaves being less solid and of looser texture at base; cells in one row always (not in two); by the fewer hairs on its shorter glossy white calyptra; and by its per. teeth densely papillose white and reflexed when dry. [Supp. Bry. Eur., fasc, I. II.]

On an ash tree at Kilkerran Castle, Argyleshire, 1860 (J. Shaw). VI.

233. O. OBTUSIFOLIUM. Schrad. In loose yellowish green tufts, brownish below; l. patulous oblong from an ovate base, apex obtuse hyaline and minutely serrulate, concave, margin incurved, papillose at back, per. l. broader and less obtuse: caps. oval immersed with eight orange striæ; cal. long naked whitish, with a brown tip; lid convex acuminate; per. teeth eight bi-geminate reflexed when dry, alternating with eight cilia: dioicous. (Bry. Eur. III., t. 208.)

On trunks of trees. York, Bristol. V.

234. O. PUMILUM. Swartz. (_O. fallax_, Br. Wils. B. & S. but not Schp. Syn.) Minute pulvinate; l. lanceolate acute, carinate, margin revolute; per. l. longer erect; caps. oblong, with eight orange striæ, neck gradually tapering into the seta; cal. long shining brown at apex; per. teeth eight bi-geminate yellow, densely papillose, reflexed when dry.

Ash trees at Inverkip and Dailly, Ayrshire.

235. O. FALLAX. Schp. Syn. 264, _non_ Bruch. (_O. pumilum_, Dicks, Bry. Brit. B. & S., Müller, &c.) Differs from the above in having a more oblong thicker capsule, with deeper yellow striæ, with its neck shorter abrupt, not gradually narrowed, and with a shorter more inflated calyptra; l. elliptic-lanceolate and obtuse.

On trees, not common. E. I.

236. O. TENELLUM. Bruch. St. ½in. tufted; l. spreading, lanceolate-oblong or ligulate, obtuse; caps. yellow-brown, exserted, sub-cylindrical, not contracted at mouth when dry, broadly and distinctly striate; calyp. with a few short hairs, conico-campanulate, yellow; perist. yellow, eight teeth and eight cilia.

Trees, E. I. W. V. VI.

237. O. PALLENS. Bruch. St. erect short tufted; l. spreading, lanceolate or ligulate obtuse, margins revolute; caps. elliptic-oblong with a large apophysis, scarcely exserted, slightly contracted at mouth when dry; striæ broad; calyp. large pale yellow hairless. Perist. of eight yellow teeth and 16 cilia.

Trees. York. VI.

238. O. STRAMINEUM. Horns. St. short tufted; l. spreading, narrowly lanceolate acuminate, keeled, margin reflexed; caps. ovate-pyriform slightly exserted, striæ broad; calyp. large campanulate purple-tipped, slightly hairy; perist. 8 teeth, and 16 (sometimes only eight) cilia; vaginula hairy.

Trees and rocks. E. S. W. VI. VII.

239. O. FASTIGIATUM. Bruch. St. longer, tufted with fastigiate branches; l. broader lanceolate, gradually tapering to a point, sub-erect; caps. almost pyriform, scarcely exserted, with broad striæ; calyp. brownish yellow hairy; per. teeth eight, and 16 broad short cilia.

Solitary trees, Yorkshire and Sussex. V. VI.

240. O. AFFINE. Schrad. St. ½–1in. tufted branched; l. spreading, oblong-lanceolate, with a blunt point, margin revolute and slightly undulate, strongly papillose on both sides; caps. elliptic-oblong, somewhat exserted, contracted when dry, striæ narrow. Perist. eight pale teeth and eight filiform cilia; calyp. large greenish yellow hairy.

Trees, walls, &c., common. VI. VII.

241. O. RUPESTRE. Schl. St. 1in. or more, cæspitose, creeping at base; l. broadly lanceolate, spreading, slightly recurved; caps. pyriform, mouth large, scarcely exserted, striæ indistinct; calyp. large yellow, with long hairs; perist. 16 pale teeth in pairs (equidistant when dry), and eight cilia.

Mountainous rocks. VII. VIII.

var. β. _rupincola._ “l. sub-erect, caps. smaller.”

γ. “stem longer; caps. exserted, calyp. very hairy.”

242. O. SPECIOSUM. Nees. St. 1in. or more, tufted, branched; l. spreading, lanceolate, somewhat pointed, papillose, margins recurved; caps. shortly exserted elliptic-oblong, faintly striate at summit, lid conical beaked; calyp. large yellowish, with long hairs; perist. eight yellowish teeth, and eight cilia.

Trees, rare. Montrose and Corrie Mulzie. VII. VIII.

243. O. LYELLII. Hook. St. 2in. or more, loosely tufted, with erect branches; l. much spreading long linear-lanceolate, wavy, scarcely serrate at apex, and studded with papillæ and brownish gland-like bodies; caps. elliptic-oblong, with a distinct tapering apophysis, and faint striæ; calyp. very large, brown tipped, with a few long whitish hairs. Perist. 16 pale teeth, and 16 red-toothed cilia.

Old tree trunks, rare in fr. VII.

244. O. RIVULARE. Turn. St. long tufted, often floating; l. oblong-ovate flaccid, sometimes sub-secund, obtuse, with a strong nerve and small papillæ; margin recurved below: caps. pyriform, broadly striate, almost immersed; perist. eight teeth in pairs, afterwards nearly equidistant, and 16 cilia; calyp. large dull green hairless.

Rocks and tree trunks at edges of streams. E. W. I. IV. V.

245. O. SPRUCEI. Mont. St. ¼in. tufted; l. oblong-ovate or ligulate, apex rounded and tipped with an apiculus, scarcely reflexed, thinly nerved, not papillose; caps. pyriform, scarcely exserted, contracted at mouth when dry, striæ broad; lid with a short beak; calyp. reddish tipped, large, hairless; perist. 16 teeth, in pairs, yellowish, and eight, sometimes 16, cilia.

Trees near rivers. York, Matlock, Glasgow. V. VI.

246. O. DIAPHANUM. Schrad. St. scarcely ½in. tufted; l. spreading, ovate-lanceolate, tapering to a slender diaphanous serrulate point, margin recurved; caps. somewhat pyriform, almost immersed, faintly striate; calyp. generally naked; perist. 16 equidistant teeth, sometimes split at apex, and 16 cilia.

Walls, trees, and palings. IV.

3. Caps. without furrows.

247. O. LEIOCARPUM. B. & S. St. 1–3in. tufted, branched; l. spreading, lanceolate, pointed, margin strongly revolute; caps. large pale brown, obovate, perfectly smooth and not contracted at mouth when dry, scarcely exserted; calyp. hairy, sometimes naked; perist. 16 teeth and 16 erose cilia.

Trees. IV. V.

[N.B.—Notwithstanding the note in Lin. Soc. Jour., vol. XI. p. 465, I retain the name _leiocarpum_ instead of _striatum_, as _all_ the species in this section have a _striate_ calyptra.]

B. Caps. on a long seta, much exserted.

1. Calyp. naked.

248. O. PULCHELLUM. Sm. St. ¼in. tufted; l. spreading, soft, crisped when dry, linear-lanceolate bluntish, margin recurved; caps. pale, oval, with eight reddish striæ; perist. 16 reddish teeth in pairs, and 16 cilia; calyp. pale, without hairs, purplish at tip.

Trunks of trees. V.

2. Calyp. very hairy, furrowed; ochrea indistinct; l. dilated at base, and crisped when dry.

249. O. SAXATILE. Brid. (_O. anomalum_, Bry. Brit., p. 177.) St. erect sparingly branched; l. narrow lanceolate sharply acuminate, nerve thick, areolæ narrow at base; caps. narrow sub-cylindrical, much exserted, with eight long striæ prominent when dry, and then with eight shorter alternating spurious ones just below the mouth; per. teeth in pairs; calyp. hairy. [Supp. Bry. Eur. fasc. I. II.]

Limestone walls and rocks. Spring.

250. O. ANOMALUM. Hedw. Sp. Musc, (_non_ Bry. Brit.) St. erect simple, slightly branched; l. lower patulous remote, upper erecto-patent, lanceolate from an ovate base, margin revolute; caps. ovate-oblong, 16–striate; calyp. brownish hairy; per. t. pale equidistant erect when dry. [Bry. Eur., III., t. 210. Schp. Syn. 262.]

_Trap_ rocks, Aberdour, Fifeshire (Dr. Wood); Conway.

Summer.

251. O. LUDWIGII. Schw. St. ½in. creeping; l. subpatent or spreading, narrowly linear-lanceolate from an ovate base, contorted when dry, margin slightly undulate; caps. obovate, striate only at summit, much contracted at mouth when dry; perist. 16 teeth in pairs, afterwards equidistant, occasionally with short cilia.

Trees. Scotland, Ireland. VIII. IX.

252. O. CRISPULUM. Hornsch. St. very minute tufted; l. small, linear-lanceolate, scarcely crisped when dry; caps. pyriform, small, thin, with eight inconspicuous striæ.

Trees, not common. Yorkshire, Sussex, English lakes. V. VI.

253. O. CRISPUM. Hedw. St. about 1in. tufted; l. linear-lanceolate from an ovate base, slightly waved at margin, very much contorted when dry; caps. clavate, contracted at mouth when dry; apophysis gradually tapering into the thick seta; eight broad striæ; perist. eight teeth, and eight, sometimes 16, cilia.

Trees. VII. VIII.

254. O. CALVESCENS. Wils. Differs from _Bruchii_ by its shorter leaves more narrowly reticulated; calyp. scarcely hairy; caps. with a long tapering neck, lid more convex and shortly beaked; from _crispum_ by its longer seta and shorter caps. not contracted at mouth when dry, and by its smooth glossy calyptra.

Trees. VI.

Killarney (Dr. Moore and Dr. Carrington); Dailly and Loch Doon (J. Shaw).

255. O. BRUCHII. Brid. St. short tufted; l. spreading sharply linear-lanceolate from an ovate base, contorted when dry, sometimes wavy; caps. pyriform on a long seta, with eight broad striæ, and contracted at mouth when dry; calyp. blackish yellow, with many furrows and very hairy; perist. of 16 teeth in pairs, and eight, very seldom 16, cilia.

Trees. Scotland, Yorkshire, Westmoreland, &c. VII. VIII.

256. O. DRUMMONDII. H. & G. St. longer, creeping, l. linear-lanceolate from a narrow ovate base, blunt-pointed, scarcely crisped, margin hardly recurved; caps. oblong-pyriform, deeply striate, and contracted at mouth when dry, on a long seta; calyp. with long stiff hairs; perist. of 16 teeth in pairs, and no cilia.

Trunks of young trees. S. I. E. VIII.

257. O. HUTCHINSIÆ. Sm. St. about ½in. tufted; l. erecto-patent broadly lanceolate, nerved to blunt apex, margin scarcely reflexed; caps. clavate-pyriform, with eight broad striæ, slightly contracted at mouth when dry; apophysis tapering; calyp. large, very hairy. Perist. 16 teeth in pairs, and eight short cilia, sometimes wanting.

Mountainous rocks. W. I. S. E. VII.

258. O. PHYLLANTHUM. B. & S. St. 1in. tufted; l. linear-lanceolate without a broad base, nerve extending to apex or exserted, where it is generally covered with gemmæ, crisped when dry; fruit not known.

Rocks and trees, generally near the sea.

37. ZYGODON. HOOK. & T.

A. Peristome absent.

1. Caps. on a short seta.

259. Z. LAPPONICUS. B. & S. St. ½in. cæspitose radiculose; l. spreading, linear-lanceolate keeled, contorted when dry, nerve ceasing near apex; per. l. ovate-lanceolate; caps. scarcely exserted turbinate, deeply eight-striate, urceolate when dry; lid with a short oblique beak: monoicous.

Crevices of alpine rocks. S. W. Summer.

260. Z. MOUGEOTTII. B. & S. St. more than 1 inch cæspitose, scarcely radiculose; l. fasciculate recurved, narrowly linear-lanceolate, margin reflexed below, nerved to apex, not contorted when dry; caps. turbinate urceolate when dry, eight-striate; lid with a long very oblique beak: dioicous.

Moist shady rocks. Summer.

2. Caps. on a longer seta.

261. Z. VIRIDISSIMUS. Brid. St. ½–1in., fastigiate, radiculose below; l. much spreading recurved, widely lanceolate, somewhat contorted when dry, nerve sometimes slightly excurrent; caps. obovate obscurely eight-striate; lid with a long oblique beak: dioicous.

Trees and rocks. III. IV.

B. Peristome present.

1. Inner perist. fugacious.

262. Z. CONOIDEUS. Dicks. St. very short, cæspitose, fastigiate, densely radiculose; l. somewhat spreading, not recurved, widely lanceolate, with plane margins, and nerved nearly to apex; caps. pyriform, tapering below, eight-striate, lid with a long straight beak; perist., outer eight short recurved teeth, inner eight yellowish cilia, often absent: dioicous.

Trees. S. I. E. V.

2. Inner perist. persistent.

263. Z. FORSTERI. Dicks. St. ¼–½in. densely tufted, with whitish radicles; l. erecto-patent, elliptic-lanceolate, nerved to apex or slightly excurrent; areolæ hexagonal (not as in all the previous ones, dot-like), oblong and diaphanous at base; caps. pyriform, striate; lid with a long inclined beak; perist., outer eight acute bi-geminate teeth, inner eight alternating cilia: monoicous.

Trees. South of England, rare. Spring.

264. Z. GRACILIS. Wils. MS. St. 1in. or more, tufted, branched; l. lanceolate twisted when dry, with plane margins, and denticulate near the apex; areolæ close and punctate above, large and pellucid below.

Old walls. Malham (J. Nowell) in fr., Sept., 1866.

[I have no specimen in fruit.]

38. TETRAPHIS. HEDW.

265. T. PELLUCIDA. Hed. St. ½–1in.; l. lower, ovate-acuminate, nerved, reddish, upper larger ovate-lanceolate entire, nerve ceasing below apex, margins plane; stems bearing gemmiferous cups, l. of which are obcordate; caps. (fruit not found in England) elliptical, with a red border at mouth, on a long reddish seta.

Decaying stumps and roots of trees, common. VIII. IX.

39. TETRODONTIUM. SCHW.

266. T. BROWNIANUM. Schwg. St. almost none, with long linear radical leaves or ramuli; per. l. ovate-acuminate, entire, shortly and faintly nerved; caps. oval-oblong, lid with an acute oblique beak.

Sandstone rocks. III. IV. (Wilson says VII.)

40. BUXBAUMIA. HALLER.

267. B. APHYLLA. Hall. “Stem almost none, buried; l. lower roundish, deeply toothed, upper fringed with long ciliary processes; caps. plano-convex, roundish ovate, reddish; outer perist. irregularly sub-divided, thick and cellular.” [Wilson.]

Scotland, Yorkshire, &c.; rare. V.

268. B. INDUSIATA. Brid. “Resembling the last, but caps. more erect, not flattened on the upper surface, of uniform texture and yellowish green colour, covered with a soft membrane, which ruptures on the upper surface, the margins rolling back, somewhat like the indusium of a fern; annulus narrow.” [Dr. Braithwaite, Jour. Bot., VIII., 226.]

On the ground and rotten trunks, chiefly in pine woods.

Near Ballater, 1847 (Cruikshank); Craigendinnie Hill, Aboyne, 1867 (Dickie and Roy).

41. DIPHYSCIUM. W. & M.

269. D. FOLIOSUM. W. & M. St. almost none; l. long narrow linear, flexuose, with an obscure nerve, margin plane, sometimes toothed near apex; per. l. with a pale thin blade, nerve excurrent into a long rough bristle, and the innermost divided at apex into long jointed cilia; caps. immersed, ovate, oblique, gibbous; lid conical pointed; per. teeth white.

Shady mountainous rocks. VIII.

42. ATRICHUM. P. BEAUV.