2. Brotherella Loeske ex Fleisch. 小锦藓属 xiao jin xian shu
Nova Guinea 12 (2): 119. 1914.
Plants slender or robust, yellowish green or deeply green, rarely brownish green, glossy. Stems prostrate, densely branched. Leaves falcate, elongated rounded ovate, concave, long acuminate at apex; margins slightly recurved, serrulate above; costae often absent; leaf cells rhomboidal or narrowly rhomboidal; alar cells inflated, golden yellowish, with a few short, smaller, and hyaline cells above. Autoicous, rarely dioicous. Inner perichaetial leaves long-plicate, slenderly acuminate, serrulate above. Setae elongate, smooth; capsules often erect, oblong-ovoid, or cylindrical, slightly curved; opercula conic, shortly or long-rostrate; annuli differentiated, persistent; peristome double; exostome teeth narrowly lanceolate, outer surface cross-striate, inner surface trabeculate; endostome segments yellowish; basal membrane high; cilia often reduced. Spores medium-sized.