3. Leskea scabrinervis Broth. & Par. 粗肋薄罗藓 cu-lei bo-luo xian
Rev. Bryol. 33: 26. 1906. Type. China: Shanghai, Zi Ka Wei, P. Henry s.n.
Plants tiny, green to yellowish green, in prostrate tufts. Primary stems creeping, up to 1–2 cm long, one or two times irregularly branched; branches short, dense, patent upward, branchlets usually curved. Stem leaves ovate-lanceolate, 1.0 mm × 0.4 mm, plane, slightly subsecund above; branch leaves similar to the stem leaves in shape, but with slightly thinner costa; margins entire, strong, wide, ending below the apex, coarse at back surface; median leaf cells round-hexagonal, 7–10 µm, thin-walled; marginal cells somewhat transversely elongate. Inner perichaetial leaves lanceolate, 1.5 mm × 0.4 mm, semi-sheathing at base, cells oblong to rectangular, costa strong, percurrent or excurrent, forming a long tip. Setae up to 5 mm long; capsules erect. Others features not seen.