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.

by Charles C. P. Hobkirk

467. H. (Rhynchostegium) demissum. Wils. St. filiform; br. short slender: l. elliptic-lanceolate, acute, sub-secund above, margin reflexed; caps. small, narrowly elliptical, horizontal cernuous; lid obliquely rostrate.

Shady mountainous rocks. VII. VIII.

b. Tenellæ. st. creeping; l. narrowly lanceolate, caps. solid walled, seta rough or smooth: monoicous.

468. H. (Rhynchostegium) tenellum. Dicks. St. and br. very short creeping; l. erecto-patent, narrowly lanceolate acuminate, almost setaceous, light green, entire, nerved more than half way; caps. ovate cernuous, on a smooth seta; lid beaked.

Walls and rocks, principally limestone. X.

469. H. (Rhynchostegium) Teesdalii. Sm. St. slender, creeping; br. erect; l. sub-complanate, narrowly lanceolate, rigid, slightly serrulate near apex, broadly nerved nearly to apex; caps. ovate cernuous, on a rough seta; lid almost as large as caps., beaked.

Moist shady rocks near waterfalls. III.—VI.

c. Depressæ. Pl. low cæspitose soft; l. broadly oblong, thinly nerved; seta smooth.

* Dioicous.

470. H. (Rhynchostegium) depressum. Bruch. St. prostrate pinnate; br. thickest in middle—both very short; l. complanate crowded ovate-oblong, slightly concave and finely serrulate, shortly two-nerved; caps. ovate, curved, cernuous; lid as long as caps. and long beaked.