Sect. III. Scopariæ. St. loosely or densely matted, tall, with proliferous radicular fibres; l. long spreading or secund, lanceolate-subulate, glossy, denticulate at apex; nerve with or without dorsal lamellæ; caps. cernuous bent; lid with a long beak.
93. D. fuscescens. Turn. St. 2–3m. loosely tufted; l. spreading, sub-secund, flexuose, canaliculate, minutely toothed at apex, nerve excurrent; caps. oblong incurved, furrowed when dry; lid with a very long beak.
Alpine and sub-alpine rocks. VIII.
94. D. scoparium. Hedw. St. 2–4in. loosely tufted dichotomous; l. secund or falcato-secund, carinato-concave, margins inflexed, serrate at apex; nerve with about four prominent ridges at back, serrate at apex; per. l. larger convolute; caps. cylindrical, slightly curved; lid with a long beak.
Shady banks and rocks, common. VII. VIII.
var. β. orthophyllum. stem erect; l. erecto-patent or sub-secund straight.
95. D. majus. Turn. St. 4–6in. loosely cæspitose; l. falcato-secund; concave dentato-serrate at apex; caps. horizontally cernuous, curved, furrowed when dry; lid and calyptra very long; fruit-stalks pale aggregate.
Shady banks, &c., in woods. VII. VIII.
Sect. IV. Undulata. St. very tall, with radicular fibres; l. large glossy, spreading every way or secund, lanceolate below, linear-subulate above; nerve flattish, with lamellæ at back.
96. D. palustre. Brid. St. 3–4in. erect branched sub-fastigiate; l. spreading, sub-secund, linear-lanceolate undulated, terminal ones crowded into a cuspidate cluster on the barren shoots; serrate at apex; nerve thin and narrow, not reaching to apex, and without ridges; caps. sub-erect, slightly curved, sub-cylindrical, striate.