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.
393. F. viridulus. L. St. ¼in. about; l. lanceolate acute, entire, bordered, crisped when dry, dorsal wing not reaching to base, nerved nearly to apex; caps. oval-oblong erect; lid conical with a blunt point; perist. immersed; barren fl. on a short branch.
Shady banks, rivulets on stones, &c. VIII. IX.
394. F. incurvus. Schw. St. ¼in. about, ascending from a decumbent base; l. lanceolate oblong apiculate, narrowly margined, nerve ceasing near the serrate apex; caps. oval oblique, curved, rarely erect, lid conical rostellate; perist. not immersed; barren fl. sessile at base of stem. [Schp. Syn. 104.]
Shady banks, Cheshire; Hurst-pier-point. II. III.
var. Lylei. l. scarcely margined, narrow; perist. immersed. Cheshire, rare.
395. F. pusillus. Wils. St. shorter; l. erect, acute, narrow; caps. sub-erect; perist. immersed.
Sandstone rocks.
396. F. crassipes. Wils. St. ¼–¾in.; plant more robust; l. larger, broader, and more numerous; caps. obovate-roundish on a short seta, erect.
Sluices. Sandford, near Oxford. X. XI.
397. F. bryoides. Hedw, St. ¼–½in.; l. lanceolate 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 thickened; caps. oval-oblong, constricted at mouth when dry, cernuous; lid with a long beak: monoicous.
Shady wet rocks and bogs. X.–IV.
401. F. taxifolius. Hedw. St. about ½in. fasciculate from base; l. lanceolate, pointed, not bordered, finely crenulate, nerved almost to apex; caps. almost ovate, inclined on a seta curved at summit, and inserted at base of stem, lid large convex with a long oblique beak: monoicous.
Moist shady banks. XII.—II.
402. F. decipiens. De Not. St. about ½in. fasciculate from base; l. lower distant, coulter-shaped, upper imbricate patulous, oblong-ligulate acute or mucronulate, dorsal wing narrow, nerve strongly excurrent, excavate; the cultriform lobe of the upper leaves obliquely acute, longer than half the leaf, upper part strongly serrate; caps. ovate, somewhat constricted at base, erect or inclined; lid large rounded beaked: dioicous. [De Notaris, Epilogo Briol. Ital. 1869, p. 480.]
Damp rocks and old walls.
403. F. tamarindifolius. Donn. St. about ½in. fasciculate, slender; l. elliptical “sub-falciform apiculate,” with an entire pellucid cartilaginous border, nerved to apex; caps. ovate-oblong curved inclined; lid short conical, with a bluntish point.
Banks, &c. II. III.