2. Entosthodon gracilis Hook. f. & Wils. 纤细梨蒴藓 qian-xi li shuo xian
Fl. Nov.-Zel. 2: 91. pl. 86. f. 7. 1854. Funaria gracilis (Hook. f. & Wils.) Broth., Nat. Pflanzenfam. I(3): 524. 1903. Entosthodon subnudus (Tayl.) Fife var. gracilis (Hook. f. & Wils.) Fife, J. Hattori Bot. Lab. 58: 192. 1985. Type. New Zealand: Bay of Island, J. D. Hooker s.n.
Plants small, slender, ca. 1.5–1.7 cm high, yellowish to brownish green, in loose tufts. Stems erect, 2–3 mm long, simple, with reddish brown rhizoids at base. Leaves crowded at stem tips, soft and flexuous when dry, erect-spreading when moist, oblong-obovate, 2.2–3.0 mm × 1.2–1.5 mm, somewhat concave, gradually tapered in upper third, acute or acuminate at apex; margins entire; costa percurrent or ending just a few cells below leaf apex; leaf cells thin-walled; upper cells subquadrate or rounded-pentagonal, 50–70 µm × 16–20 µm; basal cells enlarged, 70–80(–110) × 30–40 µm. Autoicous. Setae erect, yellowish red, 6–11 mm long; capsules erect, symmetric, pyriform, yellowish brown, 1.4–2.0 mm × 1.0 mm, mouth narrowed, necks indistinctly developed, with stomata; opercula flat-convex; annuli developed; peristome appearing to be single, with distinct trabeculae; endostome segments rudimentary, with only basal membrane attached. Calyptrae cucullate-rostrate. Spores not seen.