twisted, from an oblong base lanceolate, keeled, strongly papillose on both sides, margin reflexed below, nerve vanishing below apex; caps. erect cylindrical regular; lid subulate beaked: dioicous.
Calcareous rocks and walls, rare in fr.
Scotland, Yorkshire, Derbyshire; Rydal Water (Baker). [Dr. Braithwaite, Jour. of Bot. IX., 293.]
169. T. rufa. (Lorenz). Braithwaite. "St. 2-5in. often prostrate at base, sparingly dichotomous, dense leaved. L. recurved when moist, solid from an ovate base lanceolate, gradually apiculate, margin strongly recurved, nerve vanishing just below apex; cells at base rhomboid pellucid, at apex minute quadrate papillose. Reported from Ben Lawers by Dr. Stirton, but I have not seen British specimens."—[Dr. Braithwaite, l. c. 293.]
170. T. recurvifolia. Mitt. (T. gigantea, Lindb.). "In large fuscous green tufts, blackish brown at base. St. 3-8in. simple or bi-tripartite, robust dense leaved, with a few radicles. L. trifarious squarroso-recurved, when dry twisted and crisped, elongate lanceolate concave, margin strongly revolute, nerve strong, reaching apex; basal cells elongate with sinuous walls, above irregularly stellate." (l. c. 293.)
Dripping alpine rocks. Ben Bulben, Sligo (Moore).
Buxton in fruit, June, 1865. G. E. Hunt.
Sect. IV. Syntrichia. Lower portion of peristome
forming a long tube.
171. T. princeps. De Not. (T. Mulleri. B. & S.) St.
1-2in., cæspitose, with brownish radicles; l. erecto-patent,
