5. Dicranella divaricatula Besch. 疏叶小曲尾藓 shu-ye xiao qu-wei xian
J. Bot. (Desvaux) 12: 283. 1898. Type. China: Yunnan, Tali, Delavay 5250 (holotype PC).
Plants slender, 1–3 cm high, yellowish brown, gregarious or in loose tufts. Stems erect, simple, rigid, somewhat radiculose at base. Leaves distant, erect or flexuose-spreading, linear-lanceolate, rather abruptly narrowed from a nearly triangular, nonsheathing base to a subulate acumen; margins plane, entire or only serrulate at the apex; costa percurrent to shortly excurrent, smooth at back; upper cells rounded rectangular; lower cells shorter, broader, and rectangular. Dioicous. Perichaetial leaves sheathing at base, abruptly narrowed from the shoulder to a long subulate acumen. Setae straight, up to 1.5 cm long, yellowish; capsules erect, elongate-ovoid, up to 1 mm long, smooth when dry, without struma; opercula long-rostrate, nearly as long as the urns; annuli in 1 row of cells; peristome teeth short, divided to the middle, reddish and vertically striolate below. Spores not seen.