15. Pseudobarbella Nog. 假悬藓属 jia xuan xian shu
J. Hattori Bot. Lab. 2: 81. 1947 .
Plants small to medium-sized, yellowish green or yellowish brown, not or slightly glossy to glossy, in loose mats. Stems elongate, prostrate at the base, pendulous above, loosely or densely irregularly branched; branches short, densely and complanately foliate, obtuse at the apex. Stem leaves complanate, widely spreading when dry or moist, ovate to oblong-ovate, or somewhat cordate at the base, gradually long-acuminate, ending in a slender or piliferous apex; margins crenulate to serrulate or serrate, incurved on one side at the base; costae single, slender, reaching mid-leaf or above; median leaf cells linear, unipapillose or pluripapillose, thin-walled; alar cells not well defined, quadrate or rectangular; branch leaves similar to stem leaves, often broader and shorter at the apex. Dioicous. Perichaetia on secondary stems and branches; inner perichaetial leaves sheathing at the base. Setae elongate, slender, often scabrose above; capsules erect or suberect, oblong-ovoid to cylindrical, with or without an apophysis; opercula conic, long-rostrate; annuli differentiated; peristome double; exostome teeth lanceolate, densely papillose above, striolate below; endostome segments as long as or shorter than the teeth, linear-lanceolate, keeled; basal membrane high; cilia rudimentary. Calyptrae cucullate, smooth. Spores spherical, minutely papillose.