Holomitrium flexuosum Mitten 1869

Holomitrium flexuosum Mitt. Jour. Linn. Soc. 12 : 57. 1869
Antheridial flowers not known: plants in loose tufts with stout, slightly branching stems, brown and tomentose below, greenish-brown above, up to 8 cm. high: stem-leaves mostly 9-10 mm. long, from an oblong-lanceolate, somewhat spreading base, gradually narrowed to a slender, lanceolate, serrulate point, very crispate or spirally twisted when dry and 1-1.5 times as long as the base; costa shortly excurrent, dentate on the back about one third down, 100 ft wide a little above the base, in cross-section near the middle showing 5 or 6 guide-cells, wtih stereid-bands "above and below and outer cells differentiated mostly on the lower side only ; cells throughout the leaf above the alar ones mostly elongate with thickened, pitted walls, except the marginal rows; median cells toward the costa 4-6 ft wide and up to 20 ft long; alar cells from dark reddish-brown to nearly hyaline, forming an almost square group extending upward about 200 ft and two thirds of the way to the costa; fruit not seen; (according to Mitten) with perichaetial leaves long-convolute, at apex narrow, extending one half way up the yellow, very slender seta : capsule cylindric, with peristome-teeth red, narrow, elongate,
and entire.
Type locality: Andes near Quito, on branches at 2100 meters. , . ,, . . ~ ,, „ Distribution : Known from our region only by a fragment collected in Mexico by F. Mueller.

Holomitrium flexuosum là một loài Rêu trong họ Dicranaceae. Loài này được Mitt. mô tả khoa học đầu tiên năm 1869.