An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 Euphorbia hexag> 1826. Zygophyllid: 1903- Annual, yellowish green, glabrous or sparingly pubescent. Stem slender, striate-angled, erect, or assurgent, 4-20' tall, branched, the branches as- cending, often almost filiform; leaves opposite, linear, oblong or lanceolate, very short-petioled, obtuse or acute, equilat
An illustrated flora of the An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian ed2illustratedflo02brit Year: 1913 Euphorbia hexag> 1826. Zygophyllid: 1903- Annual, yellowish green, glabrous or sparingly pubescent. Stem slender, striate-angled, erect, or assurgent, 4-20' tall, branched, the branches as- cending, often almost filiform; leaves opposite, linear, oblong or lanceolate, very short-petioled, obtuse or acute, equilateral; stipules obsolete or very narrow; involucres solitary in the axils, often clustered, i'-iJ' long, ciliate, pubescent, short- peduncled, wMth 5 glands subtended by triangular- ovate whitish or green appendages; capsule gla- brous, 2' in diameter; seeds ovoid or oblong- ovoid, ij' long, terete, papillose. Iowa to Montana, Texas and Colorado. Also at Wilmington, Del. June-Oct. 14. DICHROPHYLLUM KI. & Garcke, IMonatsb. Akad. Ber. 1859: 249. Annual caulescent herbs, with the erect stems often topped by a several-rayed umbel. Leaves scattered below the umbel, above it opposite or whorled, often petal-like and very showy, entire; stipules at the base of the petioles or leaf-blades, fugacious. Involucres cam- panulate, in rather dense cymes, pubescent without and within; lobes fimbriate. Glands 5. peltate, somewhat concave, with white or pink petal-like appendages. Capsule exserted, large, pubescent, the lobes rounded. Seeds narrowed upward, reticulated, with caruncles. [Greek, referring to the colored leaves or bracts.] .\bout 4 species, natives of North .America, the following typical.
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