apiculate, with a thickened margin, dorsal wing reaching to, and broad at, the base, strongly nerved to or beyond apex . caps. elliptical erect, symmetrical; lid conical, acutely rostellate; barren fl. axillary.
Shady banks, frequent. I.—III.
b. Dioicous.
398. F. osmundioides. Hedw. St. 1-2in. tufted, erect, radiculose; l. lower scattered, small, upper larger crowded, ovate-lanceolate obtuse, apiculate, margin not thickened, almost entire, not nerved to apex, the latter sometimes toothed; caps. small oval-oblong, sub-erect; lid large convex rostrate.
Wet mountainous rocks. X. XI.
399. F. asplenioides. Hedw. St. (in var. β. only found in Britain) 3-12in.; l. linear-lanceolate or ligulate entire, obtuse, incurved when dry; caps. sub-erect obovate, slightly incurved; lid rostrate, as long as capsule; barren fl. axillary or terminal."
var. β. polyphyllos. "branches arcuate, l. wider, rather
acute, more strongly nerved, serrulate at apex,
barren fl. numerous axillary." [Wils. Bry.
Brit.] Moist shady rocks on mountains.
W. I.
II. Fructif. lateral.
400. F. adiantoedes. Hedw. St. 1-2in. branched, leafy; l. ovate-lanceolate, finely serrulate below, dentate at apex, nerved almost or quite to apex; border sometimes
