Thesium euphrasioides A.Dc.

A low slender subshrub, up to 9 in. high,, much-branched; main-stem slender, terete, glabrous; branches dichotomously forked, spreading or ascending; leaves few and scattered, the lower about 4 lin. long, linear, terete, the upper subulate-lanceolate, acute, at first adpressed to the stem, at length spreading or recurved, about 1 lin. long, glabrous; flowers solitary and sessile at the apex of the branchlets or of the branches of the cymes; bract and bracteoles forming an involucre, acutely acuminate from an ovate or lanceolate base, about 2/3 lin. long, glabrous; flower about 2 lin. long; perianth cylindric, 1 1/4 lin. long, with no external glands; segments linear-lanceolate, subacute, 3/4 lin. long, with a dense apical beard; anthers included in the perianth-tube, 1/4 lin. long; style 1/8 lin. long, reaching to the middle of the anthers; fruits broadly ellipsoid, 2 1/2 lin. long including the long persistent perianth, prominently 10-nerved, distinctly reticulate between the nerves, reddish-brown when dry.