a. Margin cartilaginous.

338. M. affine. Bland. St. 1–3in. simple, erect, radiculose; barren shoots procumbent; l. lower oval-lanceolate, decurrent, scattered, upper much larger, crowded, oblong-elliptic pointed, border narrow, simply spinuloso-serrate, nerved nearly or quite to apex; those of barren stems roundish two-ranked; caps. ovate-oblong pendulous; lid convex, pointed: dioicous.

Shady woods, banks, walls. IV. V.

var. β. elatum. stem and seta longer; marshy places. γ. rugicum. sterile shoots, erect, shorter; l. shorter, concave, obtusely serrate.

339. M. cuspidatum. Hedw. St. ½–1in. tufted, erect, radiculose, barren shoots procumbent; l. lower ovate or obovate, scattered, upper ovate-lanceolate longer and narrower; all acuminate, with simply serrate margins; nerved nearly or quite to apex; caps. ovate, inclined or pendulous; lid convex obtuse: synoicous.

Shady rocks and walls. III. IV.

340. M. rostratum. Schr. St. ½–1in. decumbent at base (barren long erect or creeping); l. lower ovate, upper oval-oblong, obtuse, in a terminal spreading tuft, all simply and bluntly serrate, undulate, nerve slightly excurrent into a mucro; caps. oval, inclined or pendulous; lid with a long curved beak: synoicous.

Moist shady rocks, &c., common. IV.

341. M. riparium. Mitt. M.S. St. ½–1in., reddish below; l. orbiculate or broadly elliptical, much decurrent, apex rounded and tipped with a mucro; lower obscurely bordered, upper strongly so and simply spinuloso-dentate, nerve thin but distinct, reddish, reaching apex; areolæ large hexagonal chlorophyllose. (I have no fruited specimen.)

Watery places. Sussex (Mitten).