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.Hobkirk, Charles C. P. (Charles Codrington Pressick)
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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.
Hobkirk, Charles C. P. (Charles Codrington Pressick)
Mosses -- Great Britain
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.
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