1. Camptothecium auriculatum (A. Jaeger) Broth. 耳叶斜蒴藓 er ye xie shuo xian
Nat. Pflanzenfam. (ed. 2) 11: 353. 1925. Brachythecium auriculatum A. Jaeger, Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1876–77: 340. 1878. Type: Sakhalin.
Hypnum auriculatum Lindb., Contr. Fl. Crypt. As. 10: 250. 1872, hom. illeg.
Plants rather robust, in large, dense mats. Stems prostrate or ascending, to 10 cm long, irregularly branched. Stem leaves narrowly oblong-lanceolate, 1.89–2.20 mm × 0.68–0.81 mm, deeply plicate, long acuminate, often reflexed at apex, auriculate at base; margins serrate above mid-leaf, entire below; costae single, slender, ending in leaf acumen; median leaf cells linear, 35–52 µm × 5–8 µm, smooth; alar cells differentiated, not extending toward costa at leaf base, shortly rectangular, slightly thick-walled; basal juxtacostal cells loose, not pitted; branch leaves triangularly lanceolate or cordate at base, plicate, slenderly acuminate at apex; margins serrate above. Setae 10–15 mm long, papillose; capsules inclined, elongate-ellipsoidal; peristome not seen. Spores not seen.