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Moss China | Family List | Moss China V. 1 | Dicranaceae | Campylopus

7. Campylopus hemitrichius (C. Müll.) Jaeg., Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1877–78: 348. 1880; Dicranum hemitrichium C. Müll., Linnaea 38: 553. 1874.

Plants rather robust, up to 8(10) cm high, yellowish green to golden brown, somewhat shiny, in dense cushions. Stems erect, simple or rarely branched, comose foliate, densely tomentose below. Leaves erect, appressed when dry, erect-patent when moist, slightly falcate-secund, up to 10(–12) mm long, lanceolate, gradually narrowed from an oblong, slightly clasping base to a very fine, setaceous acumen; margins involute, entire below, serrulate at the apex; costa occupying ca. 1/3 the leaf base width, long-excurrent, ending often in a hyaline hairpoint, smooth at back in the upper part, with only dorsal stereid band in transverse section, costal cells of abaxial surface quadrate to short-rectangular; upper cells oval to rhomboidal; basal cells rectangular, becoming narrower and linear at the margins; alar cells forming well marked auricles, inflated, thin-walled, sometimes fragile, hyaline or pale. Dioicous. Perichaetial leaves sheathing at base. Setae short, hardly exceeding comal leaves, cygneous when moist; capsules oblong-ovoid, plicate when dry, brownish.

Type. The Philippines: Luzon, Wallis s.n.

Chinese specimens examined: FUJIAN: Shao-wu Vicinity, H.-N. Fan 9512 (SYS). GUANGDONG: Lian-ping Co., P.-J. Lin 1331 (IBSC). ZHEJIANG: Sui-chang Co., R.-L. Hong 1834 (HSNU).

Habitat: on rocks; Distribution: China, Indonesia, and the Philippines.

Illustrations: Pl. 26, figs. 1–9.


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