21. Microcampylopus (C. Müll.) Fleisch. 小曲柄藓属 xiao qu-bing xian shu
Musci Fl. Buitenzorg 1: 59. 1904. Campylopus subg. Microcampylopus C. Müll., Hedwigia 38: 77. 1899.
Plants small to medium-sized, 5–20 mm high, yellowish green to yellowish brown, in loose, shiny tufts. Stems erect, simple or branched. Leaves ovate, sheathing at base, suddenly contracted to a long subula; costa strong, filling most of the subula, excurrent, in transverse section with a median row of guide cells, several rows of stereids dorsally and ventrally; shoulder cells rhomboidal to rectangular; alar cells not differentiated. Dioicous. Setae flexuose, curved when dry, yellowish green to brownish, shiny; capsules ovoid to cylindric, horizontal to inclined; stomata absent; opercula obliquely long rostrate, nearly as long as capsules; annuli present, consisting of 1 row of small cells or not well developed; peristome teeth 16, reddish brown, divided about halfway down, striate below, hyaline and finely papillose above. Calyptrae small, cucullate, entire at the base. Spores warty or coarsely papillose.