Barbella

M. Fleischer ex Brotherus in H. G. A. Engler and K. Prantl

in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 226[I,3]: 823, fig. 613. 1906

Etymology: Latin barba, beard, and - ella, diminutive, alluding to pendent secondary stems
Treatment appears in FNA Volume 28. Treatment on page 481. Mentioned on page 479, 652.
Plants small, green [yellowish]. Stems loosely foliate, irregularly branched, branches elongate, pendent, loosely foliate; axillary hairs of 4–7 short cells, proximal cells light brown in older leaf axils. Stem leaves loosely imbricate, triangular-acuminate; base not auriculate; margins plane, serrate; costa slender, rarely ecostate; alar cells differentiated; medial laminal cells linear, not in rows diverging from costa, seriate-papillose or rarely smooth. Branch leaves spreading-complanate proximally, smaller and loosely imbricate distally; apex 1-seriate, filiform. Sexual condition autoicous [dioicous]. Capsule exserted, ovoid [ovoid-cylindric]; operculum short-rostrate; exostome teeth papillose or rarely smooth; endostome segments papillose, cilia rudimentary or absent. Calyptra naked [pilose]. Spores smooth or granular.

Distribution

Nearly worldwide, tropical and subtropical regions.

Discussion

Species ca. 40 (1 in the flora).

Lower Taxa