Macrocoma

Autoicous or dioicous (not in Victoria). Asexual reproduction rarely by fusiform axillary gemmae (not seen in Victoria). Tangled mats. Stems creeping, irregularly and subpinnately branched, with erect-ascending, widely spaced, slender branches. Leaves terete-foliate, monomorphic, straight when moist or dry, erect-spreading to squarrose when moist, erect-appressed when dry; apex obtuse, acute or acuminate, without a hairpoint; costa subpercurrent; margins entire, sometimes recurved near base, otherwise plane, without a border; laminal cells elliptic or rounded-quadrate throughout, smooth to mammillose. Cladocarpous. Calyptra mitrate, covering the entire capsule, hairy, usually plicate. Capsules exserted. Peristome absent or rudimentary, single (not in Victoria) or double (not in Victoria); exostome of 16 teeth (not in Victoria), often short and blunt, reduced to a membrane or absent; endostome of 16 segments, delicate and often reduced or rudimentary and forming a low membrane.