1. Blindia acuta (Hedw.) Bruch & Schimp. in B.S.G. 小穗藓 xiao-sui xian
Bryol. Eur. 2: 19. 1846. Weisia acuta Hedw., Sp. Musc. Frond. 71. 1801. Type. In montonsis Angliae & Norwegiae.
Plants medium-sized to large, slender, 2–10 cm high, greenish yellow to brown below, usually rather shiny, in loose tufts. Stems erect, branched or unbranched, rhizoids at base; central strand absent. Leaves erect to erect-spreading or falcate-secund, evenly spaced in rows, lanceolate, broad at base, gradually subulate, 1.5–3.5 mm long; margins erect or slightly incurved, entire, sometimes slightly serrulate at the tip; costa single, slender, ca. 1/5 leaf width at base, filling most of subula from the middle of leaves, long-excurrent, smooth; upper cells subquadrate to irregularly rectangular, thick-walled, basal cells oblong to oblong-linear, incrassate, yellowish brown, alar cells well-differentiated, forming distinct group, inflated, brownish. Dioicous. Perichaetial leaves abruptly subulate from a broadly sheathing base. Setae 5–8 mm long, yellowish brown, straight when dry, flexuose-curved above when wet; capsules exserted, obovoid to shortly pyriform, short neck present, contracted below the mouth when dry; exothecial cells irregularly shaped; opercula obliquely rostrate from a conic base; annuli absent; peristome teeth lanceolate, entire or more or less split at the tip, smooth, yellowish brown. Spores not seen.