Andreaea turgescens W. P. Schimper ex C. Müller 1851

Andreaea turgescens Schimp.; C. Miill. Syn. 2 : 515. 1851 Densely cespitose, about 1.5 era. tall, dark-brown; stems erect and noticeably clavate; branches terete: leaves crowded, ascending, imbricate when dry, spreading in all directions when moist, brown, ovate-lanceolate, rarely obovate or lanceolate, ecostate, 1-1.5 mm. long by 0.2-0.3 mm. wide; margin entire or slightly crenate, strongly incurved along the upper part of the leaf; apex blunt or slightly cucullate, very papillose on the back; cells oblong at the base of the leaf, about 44 ii long by 1 1 m wide, short and round above, very thick-walled, with narrow lumen; perichaetial leaves at least 10, sheathing, much larger than stem-leaves, 1.5 mm. to 3 mm. long by about 0.5 mm. wide, lighter-brown, broadly lanceolate, gradually acuminate; margins involute; apex sometimes premorse ; basal cells very porose ; upper cells with large and prominent papillae in regular rows: perigonial leaves shorter and broader: "capsule as in .4. />€<ro/)/u7o; spores not seen : capsules immature."
TvPE LOCALiTV: Summit of Mount Orizaba, Mexico.
Distribution: Mount Orizaba; also on Nevado de Toluca, 4200-4500 meters, with Grimmia fuliginosa.