Micromitrium Moss

Description

Plants scattered or gregarious in sparse remnants of protonemata, pale to bright green. Stems usually absent, but rarely to 1 mm. Leaves spreading proximally, distally erect and lanceolate to ovate, obovate or ligulate, broadly to slenderly acuminate, less than 2.4 - 0.5 mm, margins plane, entire proximally, distally entire to serrulate. Sexual condition synoicous or dioicous. Capsule dehiscing by a somewhat indistinct ring of cells distal to the equator, orange-brown to black, - globose with a barely discernable apiculus or with a dome-shaped apical cell; exothecial cells in 1 layer, stomates none. Spores about 100, reniform to globose, with or without a concave proximal face, 27-45 - 20-37 -m, orange-brown to brown or black.