Bulbostylis nesiotica (I. M. Johnst.) Fernald

Bulbostylis nesiotica (I. M. Johnston) Fernald, Rhodora 40 : 392. 1938.
Stenophyllus nesioticus I. M. Johnston, Univ. Calif. Publ. Bot. 7 : 438. 1922.
Perennial (?) with thickened culm-bases; culms 2-6 dm. high, rather coarse for the genus, glabrous, striate-sulcate ; leaves 0.5-1.0 mm. wide, flattened, one-third to half as long as the culms, the recurved blades usually deciduous in mature specimens, the sheaths fibrillose at the apex and frequently over the entire surface of the sheath ; inflorescence capitate, terminal (or lateral if the involucral bract is well developed), of 3-6 compressed, sessile, ovatelanceolate, 8-12-flowered spikelets ; scales dull brown, subacute, somewhat glutinous ; achenes (apparently rarely maturing) broadly obovate (1.0 mm. long, 0.7-0.9 mm. wide), sharply trigonous, deep gray, transversely rugose; tubercle hemispheric, on a slightly raised projection; style 1 mm. long below the branches; stamens 3, the anthers acuminate, 1.7 mm. long.
Type locality: San Benedicto Island, Revillagigedo Islands, Mexico (A. IV. Anthony 317).
Distribution : Revillagigedo Islands.