recurved; nerved half way, or shortly two-nerved at base; caps. elliptical erect; lid conical, obliquely rostrate.
Mountainous rocks and tree trunks. S. I. Spring.
415. Pt. gracile. Sw. Rhizome creeping, with arcuate stems, and incurved fasciculate branches; l. spreading, (appressed when dry) ovate, concave, acute, serrate near apex, margin not recurved, slightly two-nerved at base; caps. oblong, longer and thicker than last; lid conical, shorter, not rostrate.
Shady sub-alpine rocks and walls, and trees. XI.
79. ISOTHECIUM. Brid.
416. I. myurum. Dill. St. 1-2in. from a creeping stoloniferous rhizome, with fasciculate branches; l. elliptical concave, not tapering but serrulate at apex, nerved half way, singly or forked; per. l. erect; caps. ovate, erect, with a long rostrate lid: dioicous.
Trees and rocks. X.
80. CLIMACIUM. W. & M.
417. C. dendroides. W. & M. St. 1-3in. erect, with long spreading branches; l. ovate-lanceolate, serrulate at apex: st. l. acute, br. l. obtuse, nerved nearly to apex; per. l. nerveless, entire; caps. erect ovate-oblong, with a pointed beak.
Boggy places. X.-I.
81. CYLINDROTHECIUM. Bry. Eur.
418. C. Montagnei. Bry. Eur. Müller. St. 1-2in., branches pinnate, recurved, cuspidate; l. elliptical acute entire, rather obtuse, faintly two-nerved at base, margin recurved below; marginal basal cells large and pellucid;
