2. Microdus sinensis Herz., Hedwigia. 65: 150. 1925.
Plants small, slender, 5–7 mm high, yellowish green, shiny, in compact tufts. Stems erect, simple or branched, soft. Leaves erect, flexuose or secund when dry, lanceolate from an oblong-ovate base, gradually narrowed to a subulate, obtuse apex; margins somewhat incurved, entire or serrulate near the apex; costa thick, shortly excurrent; upper cells short-rectangular, basal cells elongate, rectangular; alar cells not differentiated. Perichaetial leaves longer than the stem leaves, sheathing at base. Setae 10–15 mm long, straight, reddish purple; capsules erect, ovoid, contracted at the mouth; opercula obliquely long-rostrate, ca. 1.0 mm long; annuli in 2–3 rows of cells; peristome teeth very short, somewhat perforate, lanceolate and obtuse at the tips, vertically striate at the base. Spores small, ca. 10 µm in diameter, smooth.
Type. China: Yunnan, Pe Yen Tsin, alt. 3000 m, Simen Ten 74a (syntype JE); Mt. Pe tsao lin, alt. 3000 m, Simen Ten 106 (syntype JE).
Specimens examined: YUNNAN: Qiu-bei Co., D.-K. Li 61 (SHM).
Habitat: on wet soil in open fields; Distribution: endemic to China.
Illustrations: Pl. 53, figs. 9–13.