Plants small to medium-sized, scattered, green to dark green; terricolous. Stems 2-5 mm tong. Leaves larger and crowded above, contorted dry, widespreading wet; obovate to subspathulate, 3-4(-5) mm long; apex acute to obtuse, apiculate; base oblong; margins plane, entire below, crenulate above, frequently irregularly so with some strong teeth near apex. Costa short excurrent, mucro to 0.2 mm long; in section round, guide cells 2, small, thin-walled, ventral cells in single row, slightly larger than guide cells, thin-walled, dorsal stereid band 2-3 cells thick, reddish, dorsal surface cells larger than guide cells, thin-walled. Laminal cells rectangular, becoming rhomboidal above; marginal cells bulging, thin-walled; basal cells short-rectangular. Seta 5-7 mm long, reddish yellow; capsule erect, narrowly pyriform, 2.0-2.5 mm long, red-brown, urn cylindrical, constricted below mouth when dry, neck differentiated, sulcate; exothecial cells rectangular, incrassate, with 8-10 rows of transversely rectangular cells at capsule mouth; stomata present on neck, phaneropore; peristome absent, occasionally with traces of rudimentary membrane; calyptra plano-convex, cells very slightly twisted; spores rounded, 25-30 µm, yellowish, sparsely papillose with distinct tetrad scar (probably immature).
Home