Monographs Details: Hypnodontopsis
Authority: Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part Two: Orthotrichales to Polytrichales. Mem. New York Bot. Gard. 69 (2)
Description:Genus Description - Leaves loosely erect and ± crisped when dry, erect-spreading to spreading with incurved tips when moist, oblong-linear to oblong-spatulate, obtusely acute to obtuse and apiculate; margins plane, entire or papillose-crenulate; costa slender, ending somewhat below the apex to short-excurrent; upper cells rounded-hexagonal, ± thick-walled, smooth or pluripapillose, somewhat smaller at the margins; lower cells rectangular, smooth, hyaline. Perichaetial leaves similar to the other leaves and about the same size or considerably longer. Setae short, strongly curled wet or dry, not or somewhat twisted above when dry; capsules barely exserted, narrowly subcylindric and strongly 8-ribbed and contracted below a wide mouth when dry, ellipsoid to subglobose when moist; annulus broad, deciduous; operculum nearly flat to conic and obliquely apiculate; exothecial cells oblong or oblong-hexagonal; peristome teeth 8, broadly triangular or triangular-lanceolate, with coarse, vertical markings on the outer surface. Calyptrae cucullate or mitrate, not scabrous or only slightly so at the extreme tip.