小反扭藓

Timmiella giraldii Broth., Nat. Pflanzenfam. I(3): 396. 1902. Timmiella subcucullata Dix. in Yang, Sci. Rep. Natl. Tsing Hua Univ., Ser. B, Biol. Sci. 2: 118. 1936, nom. nud. Trichostomum albo-vaginatum C. Müll., Nuovo Giorn. Bot. Ital., n. ser. 5: 175. 1898. Type. China: Shaanxi (Schen-si), P. J. Giraldi 1819 (isotype H). Trichostomum albo-vaginatum var. sordidum C. Müll., Nuovo Giorn. Bot. Ital., n. ser. 5: 176. 1898. Type. China: Shaanxi (Schen-si), Pei-su-tschel-ti, Aug. 1896, P. J. Giraldi 1824 (isotype H). Trichostomum flexisetum C. Müll., Nuovo Giorn. Bot. Ital., n. ser. 4: 251. 1897. Type. China: Shaanxi (Schen-si), Hu Co. (Hu-schien), Pan-ko-tschien, Jan. 1896, P. J. Giraldi s.n. (isotype H).

Plants small, to ca. 1 cm high, dark brownish green or reddish brown, in dense tufts. Stems erect, simple, or irregularly branched, radiculose at the base. Leaves often rosulate at the stem tips, contorted-curved when dry, spreading when moist, oblong-lanceolate to ligulate-lanceolate, broadly channeled above, bluntly acute at the apex, somewhat sheathing at the base; margins plane or weakly incurved, only serrulate near apex; costa rather stout, percurrent; upper leaf cells quadrate to rounded-hexagonal, smooth, but sometimes bulging on the ventral side of leaves; basal cells rectangular, thin-walled, smooth, hyaline. Dioicous. Setae ca. 1 cm long; capsules erect, cylindrical, clearly with a neck, yellowish green, brownish when old; peristome teeth short-filiform, erect, densely papillose; annuli consisting of 2 rows of cells; opercula conic-rostrate, with a long erect beak.

Type. China: Shaanxi (Schen-si), Tui-kio-san, Oct. 1896, P. J. Giraldi 1827 (isotype H).

Specimens examined: ANHUI: Qian-shan Co., Z.-L. Liu 30362 (HKAS, SHM). BEIJING: Xi Shan (Mt.), P.-C. Chen 6001 (PE). GANSU: Yu-zhong Co., Xing-long Shan (Mt.), L.-Q. Zeng 11a, 27 (PE). HEBEI: Dong-ling, L.-Q. Yu 479 (MO, PE); Zhuo-lu Co., K.-J. Guan 58 (PE). HEILONGJIANG: Ning-an Co., C. Gao s.n. (IFSBH). HENAN: An-yang Co., H.-J. Yu 1035 (PE); Hui Co., D.-Z. Tu 1461 (PE); Ji-gong Shan (Mt.), H.-J. Yu 32 (PE); Nei-xiang Co., J.-X. Luo 157 (PE); Xin-xiang Co., J.-X. Luo 157 (PE). JIANGSU: Zheng-jiang City, Z.-L. Liu 33168 (HKAS, SHM). LIAONING: Shen-yang City, C. Gao 13438 (IFSBH). SHAANXI: Hu Co., Z.-P. Wei 4422 (PE); Luo-guan-tai, Q.-M. Li 14 (PE); Tai-bai Shan (Mt.), Z.-P. Wei 6606 (PE). SHANDONG: Tai Shan (Mt.), C. Gao 33938 (IFSBH). SICHUAN: Cheng-du City, J.-L. Yang M2 (HKAS); Chong-qing City, D.-K. Li 16108 (HKAS, SHM). XIZANG: Mo-tuo Co., Y.-G. Su 1510 (HKAS). YUNNAN: Bi-luo Xue Shan (Mt.), S.-G. Wu 16 (HKAS); Bin-chuan Co., M.-K. Cui 463a (HYUB).

Habitat: on rocks or soil; Distribution: endemic to China.

Illustrations: Pl. 132, figs. 7–11.