14. Pogonatum perichaetiale(Mont.) Jaeg. 全缘小金发藓 quan yuan xiao jin fa xian
Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1873–74: 257. 1875. Polytrichum perichaetiale Mont., Ann. Sci. Nat., Bot., ser. 2, 17: 252. 1842. Type: India. Madras, Perrottet 1622.
Pogonatum integerrimum Hampe in Paris, Ind. Bryol. 982. 1898, nom. nud.
Pogonatum setschwanicum Broth., Akad. Wiss. Wien Sitzungsber., Math.-Naturwiss. Kl., Abt. 1, 33: 583. 1924. Type: China. Sichuan, Yan-yuan Co., Handel-Mazzetti 2844 (holotype H).
Polytrichum integerrimum C. Müll., Gen. Musc. Frond. 181. 1900, nom. nud.
Plants rather small, gregarious. Stems single, ca. 1.5 cm long. Leaves incurved when dry, suddenly narrowed from an ovate sheathing base to a lanceolate limb, up to 9 mm long, apices acute, often spinose; leaf margins entire; costa rigid, excurrent; lamellae numerous, almost covering all ventral surface of the leaf, 4–7 cells high, in cross section, apical cells of lamellae large, quadrate, smooth, strongly thick-walled; upper leaf cells quadrate to hexagonal, ca. 18 µm in diameter, basal leaf cells rectangular, thin-walled, up to 100 µm long; marginal leaf cells becoming narrower, thick-walled. Setae purple, up to 1–2 cm long, single. Calyptrae light brown, covering the whole capsule. Spores spherical, 6–10 µm in diameter.