glabrous, erect or diffuse, from 1–5 ft. high; leaves erect or spreading, slender, linear and acute or rather thick and obtuse, sulcate, 1–2 (rarely 2 1/2) lin. long; flowers terminal and lateral; pedicels decurved, glabrous, about 1 lin. long; bracts remote, occasionally subapproximate, small; sepals lanceolate, acute, 1/2– 3/4 lin. long; corolla campanulate or cyathiform, mouth widened, white, about 1 lin. long; segments slightly spreading, rounded and obtuse, or narrower and subacute, about equal to the tube; filaments broader at the base or subequal, flexuous, about 1/2 lin. long; anthers broad-ovate or subtriangular, nearly as wide at the base as their length, subacute, pallid, membranous, 1/7– 1/6 lin. long, aristate; pore 2/5– 3/5 the length of the cell; awns setiform, rough, about equal to the cell; style included, rarely just exserted; stigma clavate-capitellate; ovary glabrous. null