Leaves 1.5-2.5 mm; margins recurved to mid leaf, plane mid leaf, erect to incurved in acumen, teeth in apex sharply, narrowly spinose, smooth; apex wide-spreading to squarrose when dry, broad, hyaline, acumen broad-based, 1/5-1/3(-1/2) leaf length, shallowly to deeply channeled, extreme apex flat or sometimes twisted; medial and distal laminal cells with papillae 1 (or 2), large, stalked, strongly, irregularly branched, ; laminal cells in hyaline area with papillae large, spinose, intermixed with smaller papillae; apical cell long-linear, sharply pointed, 120-175(-200) µm, smooth, 1-papillose on one margin, or 2-papillose and appearing 2-fid at tip. Perichaetia with leaves plane to weakly concave, margins long-ciliate distally, especially at apex. Vaginula sparsely pilose. Calyptra naked to sparsely pilose.