3. Homaliadelphus Dixon & P. de la Varde 拟扁枝藓属 ni bian zhi xian shu
Rev. Bryol. Lichénol., ser. 2, 4: 142. 1932.
Homaliopsis Dixon & P. de la Varde, Ann. Bryol. 1: 48. 1928, hom. illeg.
Plants medium-sized, yellow to brownish green when old, distinctly glossy, in small, flattened mats. Primary stems slender, creeping; secondary stems erect-patent, not branched below, or irregularly branched above. Leaves densely appressed when dry, slightly spreading when moist, rounded or rounded-ovate, often with a narrow lobe along the proximal margins; margins entire or serrulate at the apex; costae absent; leaf cells nearly uniform, quadrate or rounded-rhombic; basal juxtacostal cells elongate, narrowly rhombic, thick-walled, porose. Dioicous. Inner perichaetial leaves oblong at the base, becoming narrowly lingulate above, serrulate at the apex. Setae short, brown, smooth; capsules oblong-cylindrical; opercula conic, with an oblique beak; peristome double; exostome teeth light yellow, hyaline, smooth; endostome segments linear-lanceolate; basal membrane low. Calyptrae cucullate, sparsely hairy. Spores spherical, finely papillose.