159. T. unguiculata. Hedw. St. ⅛–1in. cæspitose, dichotomous; l. oblong-lanceolate, obtuse, margin recurved, nerve excurrent into a short mucro; caps. oblong-cylindrical erect on a long reddish seta; lid with a subulate beak: dioicous.
Clay banks and hedges. XII.
var. β. cuspidata. stems shorter, l. narrower, with a longer mucro. γ. apiculata. l. spreading recurved, mucro long. δ. microcarpa. caps. small oval or oval-oblong. ε. obtusifolia. more robust, l. shorter, broader obtuse, mucro almost or altogether absent; caps. sub-cylindrical. ζ. fastigiata. with long fastigiate innovations; l. larger, slightly undulate.
160. T. convoluta. Hedw. Cæspitose; l. spreading oblong-lanceolate, plane or somewhat undulate in margin, nerve not excurrent; per. l. strongly convolute, sheathing; caps. inclined oblong-ovate, on a yellowish seta; lid with a long oblique beak: dioicous.
Walls, &c. V. VI.
161. T. revoluta. Schwaeg. Densely cæspitose, l. crowded erecto-patent oblong-lanceolate, nerve excurrent from the blunt apex, margin strongly revolute; caps. reddish brown oval-oblong, with a scarcely oblique lid; seta red: dioicous.
Walls, mostly limestone. V.
162. T. Hornschuchiana. Schultz. Loosely cæspitose, l. crowded, spreading, ovate-lanceolate, gradually tapering to an acute point, formed by slightly excurrent nerve, margins slightly revolute; caps. oblong slightly curved, annulus narrow: dioicous.
Rocks, walls, and banks, not common. IV. V.
163. T. vinealis. Brid. St. more tufted than in T. fallax; l. strictly patent with a stouter nerve, which is obscure towards the acute apex; the latter usually tipped with a pointed hyaline cell; appressed when dry, not crisped or contorted; caps. sub-cylindrical: dioicous. (W. Mitten, in Jour. Bot. v. 324.)