Donnellia

Austin

Bull. Torrey Bot. Club 7: 15. 1880

Etymology: For John Donnell Smith, 1829 – 1928, American taxonomist
Synonyms: Meiotheciopsis Brotherus
Treatment appears in FNA Volume 28. Treatment on page 576. Mentioned on page 572, 646.
Plants small, yellowish green, glossy. Stems 1–2 cm, not complanate-foliate, irregularly branched. Leaves erect to erect-spreading, homomallous, lanceolate; margins entire; apex gradually short-acuminate; ecostate or occasionally costa double; alar cells rounded, enlarged, scarcely inflated, pigmented, walls thin, region in 1 row, middle lamella not apparent, supra-alar cells differentiated; laminal cells long-rhomboidal, smooth. Sexual condition autoicous. Seta 0.2–0.4 cm. Capsule erect to suberect, short-cylindric; exothecial cell walls somewhat collenchymatous; operculum rostrate.

Distribution

Fla., Mexico, West Indies, Central America, n South America, c Africa.

Discussion

Species 5 (1 in the flora).