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

Sect. III. L. squarrose, or patent spreading.

73. D. pellucidum. Hedw. St. 1–2in. loosely tufted; l. distant, lanceolate, margins undulate, denticulate, papillose obtuse; caps. shortly ovate; lid conical rostrate; dioicous.

Wet stones in streams. X. XI.

var. β. fagimontanum. st. short, branches slender, l. shorter. γ. serratum. l. crenato-serrate, with a more acute point; caps. oval or oblong, lid with a slender beak.

74. D. crispum. Hedw. St. ¼in. gregarious, l. subulate from a broadish sheathing base setaceous above, long, spreading flexuose, minutely dentate, nerved to apex; caps. almost erect, oval or obovate, striate; lid with a long oblique subulate beak: monoicous.

Moist sandy banks, not common. X. XI.

75. D. Grevillianum. B. & S. L. with a broad sheathing base, suddenly lanceolate-subulate prolonged, wide-spreading and wavy, entire, nerve broad; caps. ovate, sub-striate, strumose; lid with a beak longer than capsule: monoicous.

“Glen Tilt, at foot of Ben-y-Gloe, 1823, not since found.”—Wils. VIII. IX.

[I have a specimen gathered by Dr. A. O. Black, marked “Esk-no-more.”]

76. D. Schreberi. Hedw. St. ½–1in. sub-cæspitose, branched sparingly; l. base broad, suddenly lanceolate-subulate, spreading flexuose keeled, denticulate at apex; caps. ovate-oblong, scarcely strumose, cernuous; lid conical, shortly rostrate; dioicous.