2. Dendrocyathophorum Dix. 树雉尾藓属 shu zhi-wei xian shu
J. Bot. 74: 7. pl. 610, f. 5. 1936.
Plants delicate, yellowish green, not glossy. Primary stems prostrate, with loosely scale-like leaves and dense brown rhizoids; secondary stems simple in lower part, loosely with small leaves, irregularly pinnately branched in upper part, complanate, blunt at branch terminal. Lateral leaves of stems dense, broadly ovate, asymmetric, acuminate; serrulate in upper part, not bordered; costa single, short, weak or forked; laminal cells elongated hexagonal, thin-walled, becoming larger toward base; amphigastrial leaves broadly ovate, symmetric, lanceolate at apex; serrulate in upper part of margins; costa single, short; laminal cells elongated hexagonal; lateral leaves and amphigastria of branches similar to those of stems, but smaller. Autoicous. Perichaetial leaves ovate-lanceolate, entire; ecostate. Setae elongate, slender, smooth, erect; capsules reddish brown, horizontal or pendent; peristome double, exostome teeth lanceolate, densely striate on outer surfaces in lower part, minutely papillose in upper part; endostome segments as long as the teeth, lanceolate, folded, papillose; basal membranes high; opercula conical, inclined, beaked. Calyptrae mitrate. Spores spherical, minutely papillose.