薄罗藓科 bo-luo xian ke
by Cao Tong, Sun Jun, and Gao Chien
Plants mostly slender, dull or slightly shiny, in dense patches. Stems creeping, often irregularly branched; branches slender, erect or ascending; paraphyllia few, unbranched, or absent; central strand poorly developed. Stem leaves and branch leaves nearly uniform, ovate or ovate-lanceolate; costa strong, mostly single, reaching the middle or the apex of leaves, rarely rather short or lacking; leaf cells mostly parenchymatous, rarely elongate, smooth or unipapillose. Monoicous or dioicous. Perichaetia on stems, perigonia usually on lateral branches. Setae elongate, erect, smooth or coarsely papillose; capsules mostly erect, sometimes pendent, asymmetric; stomata phaneropore; peristome double; exostome teeth lanceolate or shortly lanceolate, lamellate or sometimes keeled; endostome segments varying greatly; basal membrane present, high; cilia usually rudimentary; opercula obtusely conic, with a short rostrum. Calyptrae cucullate, usually smooth, rarely with hairs. Spores small, spherical.