2. Voitia nivalis Hornsch. 隐壶藓 yin-hu xian
Voitia Systylio 5: 1. 1818. Type. Austria.
Voitia hookeri Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 56. 1859.
Voitia nivalis var. stenocarpa Par., Index Bryol. 1342. 1898. Voitia stenocarpa Wils. ex Jaeg., Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1868–69: 107. 1869, nom. illeg.
Plants small, 0.5–1.0 cm high, dark green, in dense cushions. Stems very short, erect, simple or branched, densely radiculose below. Leaves erect, soft, ovate to oblong-ovate, abruptly narrowed to a short apiculus or long slender subula; margins plane, entire; costa stout below, slender above, ending just below leaf apex to shortly excurrent; upper leaf cells subquadrate to oblong-hexagonal, smooth; lower cells rectangular, rather hyaline, thin-walled, smooth. Autoicous. Perigonia budlike. Setae erect, 2–3 cm long, glossy; capsules small, erect, oblong-ovoid, 3 mm × 1.0–1.5 mm, slightly glossy, apophyses weakly developed, short; exothecial cells quadrate; stomata few, small; opercula not differentiated; annuli none; peristome teeth none. Calyptrae large, fusiform-cucullate, covering most of the capsules. Spores small, spherical, pale yellowish, smooth.