29. Orthotrichum striatum Hedw. 条纹木灵藓 tiao wen mu ling xian
Sp. Musc. Frond. 163. 1801. Dorcadion striatum (Hedw.) Lindb., Musci Scand. 28. 1879. Weissia striata (Hedw.) Schreb. ex P. Gaertn., Oekon. Fl. Wetterau 3(2): 94. 1804. Bryum striatum (Hedw.) L. ex With., Syst. Arr. Brit. Pl., ed. 4, 3: 794. 1801. Type: Europe.
Orthotrichum leiocarpum Bruch & Schimp., Bryol. Eur. 3: 71, pl. 220. 1837, nom. illeg.
Plants medium-sized, yellowish green to yellowish brown above, brown, or dark olive-green below, in dense tufts. Stems 1.2–1.7 cm long, dichotomously branched, densely foliate, with rhizoids at the base, sometimes in upper stems. Leaves erect or slightly flexuose and appressed when dry, ovate-lanceolate, 2.2–2.6 mm × 0.5–1.0 mm, long acuminate, sometimes keeled in the middle; margins entire, reflexed or inflexed; costae subpercurrent; upper leaf cells small, isodiametric or slightly elongate, 4.5–14 µm × 4.5–9.0 µm, sometimes irregular, thick-walled, with 1–2 simple, rarely branched, low papillae per cell; lower cells rectangular to rhomboidal, 18–50 µm × 5–9 µm, thick-walled, smooth, more or less porose; basal marginal cells shorter, not forming auricles. Gemmae not seen. Goniautoicous. Perichaetial leaves not differentiated. Setae very short; capsules immersed, oblong-ovoid, furrowed in the upper part when dry, not constricted below the mouth, gradually narrowed toward seta; exothecial cells not differentiated, only those below the mouth relatively smaller and thick-walled; stomata superficial; peristome double; prostome none; exostome teeth in 8 pairs, lanceolate, orange or yellow, reflexed when dry; endostome segments 16, lanceolate, ca. 2/3 the length of the teeth, yellow or almost hyaline. Calyptrae campanulate to oblong-conic, somewhat plicate, papillosely hairy. Spores spherical, 30–40 µm in diameter, strongly papillose.