531. H. giganteum. Schp. St. erect, thick, often 1ft. long, densely pinnate; st. l. patent, broadly cordate-ovate, strongly nerved to apex; cells linear, excavate and quadrate at basal angles; br. l. lingulate narrow, terminal ones twisted and subulate; per. l. oblong-lanceolate; caps. oblong-cylindrical, sub-incurved, horizontal, on a long seta; annulus none; lid mammillate. [Schp. Syn. 642.]
Marshes. Hale Moss and Wybunbury Bog. Summer.
532. H. sarmentosum. Wahl. St. 1in. or more, procumbent, sub-pinnate; br. short cuspidate; foliage red or purplish; l. much crowded, sub-erect, elliptic-oblong, scarcely pointed, concave, entire, nerved almost to apex; areolæ large, quadrate and pellucid at basal angles; caps. ovate-oblong, cernuous.
Wet alpine rocks. Spring (?)
533. H. cuspidatum. Dill. St. 2–6in. erect, pinnate; terminal foliage cuspidate; l. spreading, almost squarrose, when young erect appressed and convolute; ovate, obtuse, entire, nerveless or shortly two-nerved; cells enlarged and pellucid at basal angles; caps. oblong, much curved, tapering below; lid conical acute.
Marshes. V. VI.
534. H. Schreberi. Dill. St. 4–6in. erect, pinnate, deep red, with slender curved branches, somewhat cuspidate at summit; l. convolute, afterwards erecto-patent, elliptical, concave, obtuse, shortly two-nerved; cells enlarged at basal angles; caps. ovate-oblong curved cernuous; lid conical, pointed.
Woods and shady banks. X. XI.
535. H. purum. Dill. St. 4–6in., not coloured, erect, pinnate; br. slightly curved, not cuspidate at apex; l. closely imbricate, broadly elliptical, concave, with recurved points, almost boat-shaped, entire, nerved half way; caps. ovate, suddenly horizontal; lid conical.
Shady banks. X. XI.