3. Aloina rigida (Hedw.) Limpr., Laubm. Deutschl. 1:637. 1888; Barbula rigida Hedw., Sp. Musc. Frond. 115. 1801.
钝叶芦荟藓
Tortula rigida (Hedw.) Schrad. ex Turn., Musc. Hib. 43. 1804. Bryum ridigum (Hedw.) Dicks. ex With., Syst. Arr. Brit. Pl. (ed. 4) 3: 797. 1801.
Aloina anthropophila (C. Müll.) Broth., Nat. Pflanzenfam. 1: 428. 1902. Barbula anthropophila C. Müll., Nuovo Giorn. Bot. Ital., n. ser. 3: 99. 1896. Type. China: Shaanxi (Schen-si), in tectis urbis Tun-juen-fan, 1894, Giraldi s.n. (isotype H).
Aloina potaninii Broth. ex P.-C. Chen, Hedwigia 80: 283. 1941, invalid name, cited as synonym (Article 34.1, Berlin Code). Type. Mongolia: Potanin 27 p.p.
Aloina stellata Kindb., Bih. Kongl. Svenska Vetensk.-Akad. Handl. 7(9): 137. 1883, nom. illeg.
Plants small, bud-like, only up to 2.5 mm high. Stems simple. Leaves broadly ovate to lingulate, 1.5–2.5 mm × 0.3–0.8 mm; rounded and cucullate at the apex; margins nearly entire to irregularly denticulate; costa very broad, ending at or below apex; green filaments branched, 3–9 cells high, filament cells thin-walled, cylindric to spherical; upper leaf cells mostly transversely linear-rectangular, 20–25 µm wide, strongly thick-walled; basal cells rectangular to quadrate, thin-walled. Dioicous, rarely cladoautoicous or synoicous. Perichaetial leaves mostly undifferentiated. Setae reddish brown, strongly twisted to right above, slightly to left below, 10–20 mm long; capsules erect, red, ovoid-cylindrical, 0.9–3.0 mm long; annuli developed, revoluble, in 1–3 rows of cells; peristome teeth filiform, red, strongly twisted counterclockwise; basal membrane low; opercula conical to subulate, long rostrate. Spores yellowish green, spherical, almost smooth.
Type. Europe.
Chinese specimens examined: HEBEI: Xiao-wu-tai Shan (Mt.), L.-Q. Yu s.n. (PE). NEI MONGOL: A-la-shan Zuo-qi, Z.-G. Tong 2022, 2061 (PE); Ding-yuan City, Z.-G. Tong 1835 (PE); He-lan Shan (Mt.), Z.-G. Tong 2122 (PE); Hohhot City, Z.-G. Tong 2556 (MO, PE). QINGHAI: Cheng-duo Co., B.-C. Tan 95-16989 (FH, MO). SHAANXI: Qing-ling (Mt.), Giraldi 851 (H); West Taibai Shan (Mt.), Z.-P. Wei s.n. (WUG). SICHUAN: Hong-yuan Co., Allen 7019a (MO); Li Co., Redfearn 35144a (MO); Mao-wen Co., Allen 7347 (MO); Markham Co., Allen 7008 (MO); Omei Co., Redfearn 34586a (MO); Song-pan Co., Redfearn 35427 (MO). XINJIANG: Urumqi Co., S. He 951059 (MO), Whittemore et al. 4866 (MO). XIZANG: Ban-ge Co., K.-Y. Lang 1340 (HKAS, PE); Lin-zhi Co., S.-K. Chen 198 (HKAS); Long-zi Co., San-an-qu-lin, M. Zang 1331, 1332, 1376 (HKAS); Mi-lin Co., Y.-G. Su 5146 (HKAS). YUNNAN: Chu-xiong Co., Redfearn et al. 1708 (MO); Kun-ming City, C.-Y. Yang 35 (PE).
Habitat: on soil, soil walls, or rocks; Distribution: China, India, Mongolia, Russia (Siberia), Europe, North and South America, and northern Africa.
Illustrations: P. 100, figs. 5–8.