102. D. LONGIROSTRE. B. & S. St. 1–3in. blackish; l. falcato-secund, subulato-setaceous from an ovate sheathing base, denticulate above on predominant nerve; caps. elliptic-oblong, smooth, on a thick curved or flexuose seta. Mountainous woods, rare. X. 20. CAMPYLOPUS. BRID. [The diagnoses of species are taken from Dr. Braithwaite’s Paper in Jour. of Bot. VIII., pp. 386–393.] _a._ Leaves hoary at point. 103. C. ATROVIRENS. De Not. (_C. longipilus._ Brid. pro parte: Wils. Bry. Brit.; et Schimp. Musc. Eur. Nov.) Dense tufts 1–3in. high, above yellowish green, below brownish, at base black. Stem erect, dichotomous, with few radicles at base; l. lower, lax, shorter, the rest densely crowded, erecto-patent, lanceolate, very longly subulato-setaceous, channelled below, auricled; nerve excurrent into a hoary hispid arista, channelled at back, one-third width of leaf base; cells of auricles dilated, castaneous, central colorless, above these sub-rectangular, uppermost oblongo-elliptic. Fem. fl. 2. 3 at apex of innovations. Wet rocks, and moorlands in mountainous districts. E. S. & I. 104. C. BREVIPILUS. B. & S. In dense broad tufts, when dry glossy yellow green above, fuscescent below, ¾–1¼ in. high, almost free from radicles, fastigiate; l. erect densely crowded, narrowly lanceolate-subulate, very concave, the point denticulate at margin and back, not auricled; nerve one-third width of leaf base excurrent into a short hair point; per. l. wider sheathing, narrowed into a hispid hair, margin recurved above base. Areolæ lax; basal cells quadrate, above rhomboidal flexuose, marginal very narrow; fem. fl. solitary. Heathy places. Sussex, Hants, Cheshire, York, Arran. 105. C. INTROFLEXUS. Brid. (_C. longipilus._ Bry. Eur. pro parte. _C. polytrichoides._ De Not. _D. ericetorum._ Mitt.) Densely tufted, olivaceous brown below, innov. yellow green with hoary tips; ¾–1½in. high, sparingly radiculose, dichotomous; l. imbricated, erecto-patent, lanceolate-subulate, channelled; not auricled; wings but little incurved, comal leaves broader lanceolate acuminate, lowest muticous, rest prolonged into a diaphanous spinuloso-denticulate arista shorter than the leaf. Nerve three-fourths width of limb, lammelluligerous at back. Basal cells hyaline large and empty, gradually becoming obliquely oval and minute, chlorophyllose, a few fuscous alar cells in comal leaves; per. l. oblong convolute, subulate at apex. Thecæ aggregated on short peduncles, oval, unequal, rough at base, lid obliquely rostrate. Calyp. reaching middle of capsule, sparingly fimbriate. Dry heaths and stony places. Cornwall, Jersey, Scotland, Ireland. _b._ Leaves unicolorous. * auricled at base.