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 145. B. & S. St. scarcely ½in. cæspitose; l. subulato-setaceous from a broadish base, mostly secund, nerve broad, much excurrent; caps. erect oblong-ovate, brown on a long red seta; annulus present; lid short conical obtuse; basilar membrane of perist. very narrow.

Sandy banks. Autumn.

B. monoicous.

146. Bruch. St. ¼in. cæspitose; l. subulato-setaceous from an ovate base, spreading or somewhat secund, with a long excurrent nerve; caps. oval, lid large obliquely rostellate; seta somewhat flexuose; annulus none; basilar membrane very narrow; antheridia axillary naked.

Cornwall (Rev.—Tozer). Spring.

147. Hedw. St. ½in., branches fastigiate; l. glaucous, linear-lanceolate, margin plane (upper crowded into a tuft or coma), nerve sometimes excurrent into the denticulate apex; caps. oblong-oval, pale brown, with a long beaked lid; basilar membrane very narrow; barren fl. gemmiform.

Scotch mountains. Summer.

27. TORTULA.

L. rigid, covered on the upper side with articulated cellular filaments or gemmæ arising from the broad nerve.

148. Schreb. 1771. (T. rigida. Schultz,) St. minute, loosely cæspitose; l. spreading from an upright