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.

_a._ Monoicous.

270. A. UNDULATUM. P. Beauv. St. 1–2in. l. ligulate, margin undulate,

thickened, with bi cuspid spinulose teeth, which also occur on back near

apex, where lamellate nerve ceases; caps. cylindrical curved; lid with a

long curved beak.

Grassy places, common. X. XI.

var. β. _attenuatum._ l. narrow, more crisped when dry; caps. smaller.

_b._ Dioicous.

271. A. ANGUSTATUM. Brid. St. shorter, l. narrower, densely reticulate,

serrate at apex _only_, less hispid beneath, with numerous lamellæ on

nerve; caps. sub-erect cylindrical straight or curved, lid dark purple,

shortly rostrate. [Schp. Syn. p. 434.]

Bare sandy ground, heaths, &c. Winter.

Braes of Doune, fr. (McKinlay); Sussex—male (Mitten).

272. A. TENELLUM. Roth. St. short; l. elongate, oblong-lanceolate, upper

ones narrowly lingulate, scarcely undulate, smooth beneath, margins

dentate below the middle, subcirrhate when dry, nerve thinly lamellate;

caps. obovate-oblong, sub-cernuous, lid with a long beak; per. teeth

large. [Bry. Eur. IV., 412. Syn. 435.]

Bare moist sandy places, and dried-up pools. Autumn.

Loch Goil Head; Killin, Perthshire.

273. A. CRISPUM. James. (_laxifolium_, Wils. MS.) St. simple, slender;

l. lower small somewhat spathulate; upper much larger oblong-lanceolate,

slightly undulate, border thickened, toothed; nerve reaching apex,

scarcely lamellate; areolæ larger, hexagonal or rounded; caps.

obovate-oblong, sub-erect or inclined, wide-mouthed, teeth very short

irregular, seta red. [Dr. Braithwaite, Jour. Bot., VIII., 225.]

Lancashire; Oakmere, Cheshire; Saddleworth, Yorkshire; Dartmoor. Male

plant only found in Britain.

43. OLIGOTRICHUM. DE C.

274. O. HERCYNICUM. De C. St. ½–1in; l. rigid erecto-patent, lanceolate,

sheathing, margins indexed, lamellæ of nerve undulate, and spinulose at

back; caps. erect cylindrical, plicate and oblique when dry; lid conical

pointed.

Alpine and sub-alpine barren soil. VI. VII.

Scotland; Todmorden (Nowell).

44. POGONATUM. P. Beauv.

275. P. NANUM. Brid. St. short, not branched at apex; l. rigid

spreading, lanceolate obtuse, sheathing, serrulate above; caps. almost

globose, erect or inclined, lid with a curved or oblique beak; columella

not winged.

Moist shady sandy banks. X. XI.

var. β. _longisetum._ l. long, linear-lanceolate, seta very long; caps.

oval-oblong.

276. P. ALOIDES. Brid. St. less than 1–in., branched at apex; l. rigid

spreading, lanceolate, sheathing, serrate on margin and back; caps.

erect, somewhat ovate-urceolate or cylindrical; lid conical beaked;

columella with four wings; hairs of calyp. whitish.

Moist banks. X. XI.

var. β. _minus._ smaller generally; “hairs of calyp. confluent below

capsule.”

277. P. URNIGERUM. Brid. St. 1–4in. branched above, reddish below; l.

spreading linear-lanceolate from a short broader sheathing base, acute

serrate; caps. narrowly cylindrical regular papillose, lid convex with a

short beak.

Mountainous banks and sides of streams. X. XI.

var. β. _crassum._ l. broader, caps, oval-oblong, lid with a longer

beak.

278. P. ALPINUM. Brid. St. much longer, branched above, decumbent below;

l. linear-lanceolate from a sheathing base, gradually tapering, serrate,

back spinulose, margin inflexed; caps. generally inclined, ovoid, tumid,

smooth, lid small, with a long curved beak.

Sub-alpine localities. E. S. I. VI.

var. β. _arcticum._ caps. oblong sub-cylindrical.

δ. _campanulatum._ st. short, l. narrower and shorter; caps.

apophysate; calyp. campanulate.

45. POLYTRICHUM. BRID.

A. Caps. six-angled; apophysis indistinct.

279. P. SEXANGULARE. Hoppe. Barren st. 2–6in., fertile shorter; l. short

incurved rigid, linear-lanceolate from a broader base, margins plane,

incurved, almost cucullate at serrulate apex; caps. short, at first

upright, afterwards cernuous, sometimes six, sometimes only four or

five-angled; lid rostrate; calyp. short, and shortly villous.

A Synopsis of the British Mosses Containing Descriptions of All the Genera and Species, (With Localities of the Rarer Ones) Found in Great Britain and Ireland, Based Upon Wilson's "Bryologia Britannica," Schimper's "Synopsis," Etc. · 第 5 / 12 段