14. Papillaria (Müll. Hal.) Lorentz 松萝藓属 song luo xian shu
Moosstudien 165. 1864. Neckera subsect. Papillaria Müll. Hal., Syn. Musc. Frond. 2: 134. 1850.
Meteorium sect. Papillaria (Müll. Hal.) Mitt., J. Linn. Soc., Bot. 22: 314. 1886. Pilotrichella sect. Papillaria (Müll. Hal.) Besch., Mém. Soc. Sci. Nat. Cherbourg 16: 227. 1872.
Plants rigid, light green, yellowish green, or brown, not glossy, usually in loose or compact tufts. Primary stems creeping; secondary stems pendulous, densely or loosely branched; branches terete or attenuate at the apex. Leaves closely imbricate, cordate-ovate or broadly ovate-lanceolate, shortly acuminate above, rarely slender at the apex, broadly auriculate, clasping at the base; margins plane or incurved or undulate near the base, almost entire or crenulate, rarely serrulate above; costae single, reaching more than 2/3 the leaf length; median leaf cells opaque, oval or hexagonal, pluripapillose, irregularly thick-walled; cells at the auriculate base rhomboidal or narrowly rhomboidal, smooth. Dioicous. Perichaetia on branches; inner perichaetial leaves narrowly lanceolate. Setae very short, smooth or scabrose; capsules oblong-ovoid or cylindrical, smooth; opercula conic, erectly or obliquely rostrate; peristome double; exostome teeth 16, narrowly lanceolate, densely and finely papillose; endostome segments linear, nearly as long as the teeth, perforate; basal membrane low. Calyptrae mitrate, hairy. Spores ovoid or spherical, finely papillose.