83. D. curvatum. Hedw. Cæspitose; st. bi-tripartite; l. setaceous from a shortly ovate semi-sheathing base, channelled, apex denticulate, falcato-setaceous; caps. erect or sub-erect, ovate-oblong, slightly gibbous, distinctly striate. [Sch. Syn. p. 75. Bry. Eur. vol. I.]
Walls. Autumn and Spring.
Llanberis, N. Wales (W. Wilson).
84. D. heteromallum. Hedw. St. 1/2-1in. simple or branched, in silky tufts; l. lanceolate-setaceous, slightly dentate at apex; caps. obovate gibbous, obliquely plicate when dry; lid with a long beak, seta pale yellowish; dioicous.
Moist banks and walls. XI. XII.
var. β. strictum. l. erecto-patent, straight, not secund;
seta longer flexuose.
γ. interruptum. larger; stem interrupted leafy; l. spreading or secund.
δ. sericeum. Schp. plants taller; l. diverging almost on all sides, pale green or yellowish, often strongly and remotely toothed. Soccoth Hill, Arrochar (McKinlay).
b. (Eu-dicranum.)
Sect. I. Falcatæ. Densely tufted, st. dichotomous and fastigiate, decumbent at base with few or no radicular fibres; l. lanceolate-subulate, secund or falcato-secund, nerve predominant above; caps. cernuous, neck strumose or ventricose, lid with a long beak: monoicous.
85. D. Starkii. Web. & M. St. 1-3in. branched; l.
subulate-setaceous from a lanceolate base, falcato-secund,
