Bryol. Europ. 2: 25. 1846 ,.
Plants small, gregarious or cespitose, yellowish green. Stems erect. Leaves loosely crispate to circinate when dry, linear from a slightly broader base; medial cells smooth; margins entire, thickened distally. Specialized asexual reproduction absent. Seta curved when wet, flexuous when dry. Capsule ovoid-cylindric, smooth to indistinctly wrinkled or ribbed when dry; peristome teeth slender, single or variously perforate or divided, densely papillose or spiculose, often nodose. Calyptra mitrate, smooth, not plicate, lobed proximally. Spores smooth.
North America, Europe, Asia, Africa.
Species 2 (1 in the flora).