* L. plicate and sheathing at base.

369. B. arcuata. Brid. St. 1–4in., with reddish brown radicles; l. ovate-lanceolate from a broad erect sheathing base, scabrous, serrulate, spreading; caps. sub-globose, almost pendulous, on an arcuate seta, furrowed when dry.

Waterfalls and wet rocks. IX. X.

* * L. not sheathing or plicate. (Philonotis.)

370. B. (Philonotis) fontana. Brid. Stem 1–6in., with reddish black radicles; l. ovate-acuminate, short and appressed or lanceolate secund, or spreading and longer (generally plicate at base), nerve almost excurrent; perig. l. obtuse, nerveless; caps. sub-globose large, furrowed when dry.

Springs and wet places. VI.

var. β. alpina. st. short, l. ovate-lanceolate, mucronate. γ. falcata. l. falcato-secund, nerve thick. δ. pumila. plant smaller in all its parts.

371. B. (Philonotis) cæspitosa. Wils. MS. St. 1–2in. reddish, cæspitose, radiculose below; l. falcato-secund, lanceolate acuminate, gradually tapering from base upwards, concave, margins sub-serrulate not recurved, nerved to apex, areolæ lax, largest at basal angles; perig. l. in a stellate tuft, almost triangular from a very broad base, finely sub-serrulate, nerved to apex.

Walton swamp, Cheshire (Wilson): male plant only.

372. B. (Philonotis) adpressa. Fergusson. “Plant widely cæspitose, erect, 2–3in. either dull, glaucous green, or reddish; l. papillose, erect when moist, with one wide plica on each side of nerve, incurved towards apex, slightly twisted when dry, widely ovate from an amplexicaul base, not acuminate, apex either obtuse or cucullate, with a very slight mucro, or in the more slender forms rather acute, margin denticulate slightly reflexed; nerve very thick continuous; areolæ small, ovoid above, shorter and wider towards the base.” [G. E. Hunt. Mem. Lit. & Sci. Soc., Manchester, vol. V., 102, 1872.]