Plants small, green to glaucous or brownish green. Stems with secondary stems decumbent to spreading and ascending, branches short to elongate, simple or irregularly branched; paraphyllia and pseudoparaphyllia absent. Leaves tightly imbricate when dry, usually wide-spreading when moist; margins plane or somewhat recurved proximally; medial laminal cells smooth or prorulose abaxially, especially distally, mostly smooth adaxially. Sexual condition autoicous; perichaetia lateral, inner leaves usually ± awned, awns usually denticulate. Seta very short. Capsule immersed; peristome double (single in C. ravenelii); exostome teeth narrowly triangular; endostome segments narrow, papillose, sometimes indistinct or absent. Calyptra conic or sometimes almost cucullate, smooth or papillose.
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