12. Brachythecium glaciale Schimp. in B.S.G. 冰川青藓 bing chuan qing xian
Bryol. Eur. 6: 15. pl. 542. 1853. Hypnum glaciale (Schimp.) Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 80. 1859. Eurhynchium glaciale (Schimp.) Kindb., Canad. Rec. Sci. 6: 23. 1894. Type: Europe.
Plants rather stout, in dense mats. Stems prostrate, 4–6 cm long, irregularly branched, with branches julaceous, blunt at tips. Stem and branch leaves similar, appressed, closely imbricate when dry, slightly erect-spreading when moist, shortly ovate-lanceolate, 1.44–1.89 mm × 0.57–0.92 mm, concave, slightly or not plicate, rather shortly, abruptly acuminate at apex, often cordate, constricted at base; margins nearly serrulate throughout; costae ending at mid-leaf; median leaf cells elongate-rhomboidal, 62–85 µm × 6–8 µm; basal cells elongate-rhombic; alar cells quadrate or shortly rectangular, not particularly thick-walled. Autoicous. Perichaetial leaves erect. Setae papillose; capsules curved, ovoid or ellipsoidal; opercula conic; cilia present, nodulose. Spores not seen.