7. Pseudoleskeella Kindb. 假细罗藓属 jia xi-luo xian shu
Gen. Eur. N.- Amer. Bryin. 20. 1897.
Plants slender, soft or rigid and fragile, dark green to brown, dull to slightly shiny. Stems thin, prostrate, regularly or irregularly pinnately branched; paraphyllia linear to lanceolate. Stem leaves imbricate when dry, spreading when moist, cordate, slightly decurrent at base, suddenly narrowed to a long acuminate apex; basal margins entire, plane or recurved, plicate below; costa single, up to middle of the leaf or unequally forked, sometimes very short or absent; upper and median leaf cells round or rhomboidal; basal cells near margins flatly quadrate, slightly thick-walled; branch leaves rather small, acuminate. Dioicous. Inner perichaetial leaves pale green, moderately sheathing at base, gradually narrowed to an acuminate apex; costa short or absent. Setae elongate, slender; capsules patent, oblong-cylindrical, curved, reddish brown, contracted at lower part of capsule mouth when dry; annuli differentiated; peristome double; exostome teeth narrowly lanceolate, yellowish, borders differentiated, densely transversely striate and lamellate on outer surfaces; endostome segments pale yellow, finely papillose, nearly as long as the teeth, thin, keeled; basal membrane high; two cilia present, shorter than teeth, sometimes rudimentary or absent; opercula conic, obliquely beaked. Spores small, yellowish green to green, nearly smooth.