8. Syrrhopodon involutus Schwaegr. 卷叶网藓 juan-ye wang xian
Sp. Musc. Frond., Suppl. 2, 1: 117. 1824. Type. Indonesia: “In insulae Rauwack Moluccensi,” Gaudichaud s.n. (holotype G; isotype BM).
Plants small to medium-sized, pale glossy, whitish green, very compact, in dense turfs. Stems elongate, much-forked, rhizoids bright-red, sometimes conspicuous. Leaves straight and appressed wet and dry, 1.5–1.8 mm long, involute, lance-acuminate, composed mostly of cancellinae, with only small areas of green cells distally on both sides of costa, axillary hairs inconspicuous; green cells of upper laminae isodiametric, smooth abaxially, bulging to unipapillose adaxially; margins bordered all around with elongate hyaline cells, entire, more or less revolute distally along the green cells; cancellinae acute distally. Gemmae infrequent, inconspicuous, adaxial on tip of costa. Sporophytes frequent. Setae 5–7 mm long; capsules short-cylindric to somewhat urceolate, sulcate with age, 0.8–1.0 mm long, with few stomata at base; opercula long rostrate; peristome of low, blunt, imperfect teeth, to 60 µm tall, teeth narrowly segmented, irregularly patterned-papillose inside and outside in distal segments. Calyptrae 1.8 mm long, papillose-roughened distally. Spores green, 19–24 µm in diameter, finely papillose.