a herb like some Nemophilas in habit; root fibrous, annual; stem single or several radical ones together, simple or sparingly branched, angular, decumbent or prostrate, glabrous, 1 1/2–12 in. long; radical leaves rosulate, spathulate-oblanceolate, obtuse at the apex, attenuate at the base, pinnatifid, dentate or subentire, including the petiole 1/2–1 1/2 in. long, 1/8– 1/3 in. broad, glabrous or nearly so; upper leaves pinnatifid or subpinnatisect, opposite or verticillate or sometimes alternate, elongated, 1/2–1 in. long, 1/5– 1/2 in. broad, glabrous or nearly so; lobes or segments 9–11, ovate or oblong, obtuse, unequal; petiole 1/3–1 1/4 in. long; peduncles axillary, solitary, 1-flowered, as long as or exceeding the leaves, 1–2 in. long, furrowed; calyx-segments ovate-acuminate or lanceolate, acute, shortly ciliate, green, striate, 1/12– 1/6 in. long, three of them approximated and erect, the other two reflexed; corolla whitish outside, purple-violet inside, about 1/2 in. broad, bifoveolate, yellow outside the two small pouches; upper lip deeply bifid, lobes obtuse; lower lip trifid, with equal obtuse concave lobes, middle lobe emarginate; stamens all fertile; filaments 4, the lower bifurcate at the middle, one branch antheriferous, the other membranous-dilated; anthers 4, glabrous; capsule obliquely ovoid, pointed, 1/5– 1/4 in. long. null
