var. β. rupincola. “l. sub-erect, caps. smaller.” γ. “stem longer; caps. exserted, calyp. very hairy.”
242. O. speciosum. Nees. St. 1in. or more, tufted, branched; l. spreading, lanceolate, somewhat pointed, papillose, margins recurved; caps. shortly exserted elliptic-oblong, faintly striate at summit, lid conical beaked; calyp. large yellowish, with long hairs; perist. eight yellowish teeth, and eight cilia.
Trees, rare. Montrose and Corrie Mulzie. VII. VIII.
243. O. Lyellii. Hook. St. 2in. or more, loosely tufted, with erect branches; l. much spreading long linear-lanceolate, wavy, scarcely serrate at apex, and studded with papillæ and brownish gland-like bodies; caps. elliptic-oblong, with a distinct tapering apophysis, and faint striæ; calyp. very large, brown tipped, with a few long whitish hairs. Perist. 16 pale teeth, and 16 red-toothed cilia.
Old tree trunks, rare in fr. VII.
244. O. rivulare. Turn. St. long tufted, often floating; l. oblong-ovate flaccid, sometimes sub-secund, obtuse, with a strong nerve and small papillæ; margin recurved below: caps. pyriform, broadly striate, almost immersed; perist. eight teeth in pairs, afterwards nearly equidistant, and 16 cilia; calyp. large dull green hairless.
Rocks and tree trunks at edges of streams. E. W. I. IV. V.
245. O. Sprucei. Mont. St. ¼in. tufted; l. oblong-ovate or ligulate, apex rounded and tipped with an apiculus, scarcely reflexed, thinly nerved, not papillose; caps. pyriform, scarcely exserted, contracted at mouth when dry, striæ broad; lid with a short beak; calyp. reddish tipped, large, hairless; perist. 16 teeth, in pairs, yellowish, and eight, sometimes 16, cilia.
Trees near rivers. York, Matlock, Glasgow. V. VI.
246. O. diaphanum. Schrad. St. scarcely ½in. tufted; l. spreading, ovate-lanceolate, tapering to a slender diaphanous serrulate point, margin recurved; caps. somewhat pyriform, almost immersed, faintly striate; calyp. generally naked; perist. 16 equidistant teeth, sometimes split at apex, and 16 cilia.