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

390. Œ. Griffithianum. Schw. St. ¼–½in, tufted; barren often much longer; l. obovate-roundish, obtuse, fringed below, not nerved to apex; caps. obovate or pyriform, neck tapering into a thick succulent seta; lid convex obtuse.

Crevices of mountainous rocks. VII. VIII.

70. SCHISTOSTEGA. Mohr.

391. S. osmundacea. W. & M. St. ¼–½in.; l. bifarious, insertion vertical, lanceolate, pale green; caps. small, sub-globose, mouth large; lid convex; young plant, when growing in caves, emitting a beautiful golden green light.

Sandstone caves and banks, not rare. III.

71. FISSIDENS. Hedw.

I. Fructif. terminal.

a. Monoicous.

392. F. exilis. Hedw. St. ⅛in. simple; l. few, lower small ovate, upper lanceolate-oblong oblique, acute, margin not bordered, serrulate, nerved to apex, dorsal wing not reaching to base of leaf; caps. elliptic-oblong, erect, lid conical obliquely rostrate.

Shady banks and woods, not frequent. E. S. I. I.—III.