in T. Drummond, Musc. Amer., 62. 1828.
Plants medium-sized, in loose mats. Stems creeping, branches erect. Leaves erect-appressed and stiff when dry, spreading to widespreading when moist, broadly lanceolate to oblong-lanceolate, not rugose; margins entire; apex obtuse, acute, or cuspidate; costa ending just below apex; basal laminal cells rectangular to quadrate; distal cells ± roundedquadrate, 6–10 µm, smooth; marginal cells not distinct from basal. Sexual condition autoicous; perichaetial leaves longer than stem-leaves. Seta 2–3.5 mm. Capsule long-exserted, ovate to ovate-oblong, wrinkled when old and dry, not constricted below mouth; stomata absent; peristome single; exostome teeth 16, smooth. Calyptra cucullate, long-conic, smooth, naked, not plicate, covering distal 1/3 of capsule. Spores isosporous, multicellular.
North America, ne Mexico, South America, Asia
Species 6 (1 in the flora).
Drummondia is characterized by branched, prostrate stems and cucullate calyptrae.