1. Braunia Bruch & Schimp. 赤枝藓属 chi zhi xian shu
Bryol. Eur. 3: 159. 1846. Hedwigia subgen. Braunia (Bruch & Schimp.) Kindb., Eur. N. Amer. Bryin. 1: 5. 1897. Harrisonia subgen. Braunia (Bruch & Schimp.) Hampe, Verh. Zool.-Bot. Ges. Wien 21: 386. 1871. Hedwigia sect. Braunia (Bruch & Schimp.) Mitt., J. Linn. Soc., Bot. 12: 404. 1869.
Plants somewhat stiff, green, yellowish green to reddish brown, in dense mats. Primary stems creeping; secondary stems erect or ascending, irregularly to pinnately branched, often clavate at the tips, sometimes with flagelliform branches. Leaves densely appressed or imbricate when dry, spreading or reflexed when moist, oblong-ovate or elliptical, shortly or long-acuminate, sometimes with filiform, hyaline apices; margins entire, often recurved; costae absent; leaf cells small, irregular or subquadrate, pluripapillose on both surfaces; basal juxtacostal cells elongate, thick-walled, porose; alar cells reddish brown, hardly differentiated. Autoicous. Perichaetial leaves less than 4 mm long, oblong-elliptical, shortly to long-acuminate, often plicate. Setae short to elongate, straight; capsules oblong-ovoid to cylindrical, erect or slightly inclined; opercula conic at the base, shortly to long rostrate; peristome absent. Calyptrae cucullate, smooth. Spores spherical, finely to coarsely papillose.