Blindia acuta (Broth.) var. japonica (Broth.) Gao, Fl. Musc. Chinae Bor.-Orient. 53. 1977.

Plants small, 0.5–1.0 cm high, brownish green, not glossy, in loose tufts. Stems simple, sometimes branched, essentially no rhizoids at base; epidermal cells thick-walled, brown. Leaves gradually lanceolate, sheathing at base, abruptly narrowed to a long-subulate apex; lower leaves smaller, gradually larger upward, 2.0–2.5 mm long; margins plane, minutely serrulate at the tips; costa single, slender, long-excurrent, almost filling the entire width of the subula, smooth at back; upper leaf cells short-rectangular, basal cells quadrate or subquadrate; alar cells inflated, thin-walled, brown. Dioicous. Perichaetial leaves similar to the upper leaves of stems. Setae ca. 2 mm long, erect or flexuous when dry, cygneous or arcuate when wet; capsules obovoid; peristome (endostomal segments) 16, lanceolate, brown, smooth. Spores 10–15 µm in diameter.

Type. Japan: K. Tsunoda s.n.

Chinese specimens examined: JILIN: Changbai Co., C. Gao 7165 (IFSBH). LIAONING: Fengcheng Co., C. Gao & G.-C. Zhang 8478 (IFSBH); Fenghuang Shan (Mt.), C. Gao 6914 (IFSBH).

Habitat: on soil over rocks or in crevices of cliffs; Distribution: China and Japan.

Illustrations: Pl. 21, figs. 7–12.