27. Entodon viridulus Cardot 绿叶绢藓 lu ye juan xian
Bull. Soc. Bot. Genève, ser. 2, 3: 287. 1911. Type: Korea. Qulpart Island, Faurie 167, 273.
medium-sized, green, glossy, usually in large, soft mats. Stems
prostrate, to 3–4 cm long, loosely subpinnately branched, complanate, with branches 5–10 mm × ca. 1.5 mm. Stem
and branch leaves
similar, elliptical, 1.4–1.8 mm × 0.7–0.9 mm, concave, constricted at base, obtuse at apex; margins entire below, serrulate near apex; costae double, very short; median leaf cells linear, 80–100 µm × 4–6 µm; apical cells shorter, broader; alar cells numerous, quadrate, somewhat inflated. Autoicous
ca. 15 mm long, yellowish; capsules erect, cylindrical; opercula conic-rostrate; annuli absent; columella persistent, often extending beyond the mouth; exostome teeth lanceolate, strongly cross-striolate in basal 6–7 plates, obliquely or vertically striolate above, smooth at tips; endostome segments as long as teeth, smooth. Spores
spherical, 11–12 µm in diameter, papillose.