. 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. untze, which has much larger yellow rays. June-Sept. 78. FLAVERIA Juss.; Gmelin, Syst. 1269. 1791. Glabrous or minutely puberulent, light-green, mostly annual herbs, with opposite sessileentire or serrate leaves, and small i-several-flowered, usually sessile, oblong and denselycymose-capitate heads of tubular, or both tubular and radiate yellow or yellowish
. 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. untze, which has much larger yellow rays. June-Sept. 78. FLAVERIA Juss.; Gmelin, Syst. 1269. 1791. Glabrous or minutely puberulent, light-green, mostly annual herbs, with opposite sessileentire or serrate leaves, and small i-several-flowered, usually sessile, oblong and denselycymose-capitate heads of tubular, or both tubular and radiate yellow or yellowish of 2-5 narrow, nearly equal, appressed bracts, sometimes with i or 2 additionalsmall exterior ones. Receptacle small, naked or setose. Ray-flower commonly only i, pistil-late, fertile, sometimes wanting. Disk-flowers 1-15, perfect, fertile, their corollas entire at the base. Style-branches of the disk-flowers truncate. Achenes oblong orlinear-oblong, 8-io-ribbed. Pappus none. [Latin,/?atMJ, yellow, from its dyeing properties.] About 7 species, natives of the warmer parts of America. In addition to the following, 3 othersoccur in the southern United States. Type species: Flaveria chilensis Flaveria campestris 4528. Plains Fla- veria. Flaveria campestris Johnston, Proc. Am. Acad. 39: Annual, glabrous, erect, i°-2° high, little linear or lanceolate, serrulate or entire, 3-nerved,acuminate or acute at the apex, sessile by a broad andsomewhat clasping base, i-2i long, 2-4 wide; headsabout 3 high, closely sessile in terminal glomerules orthese pedunculate from the upper axils; involucre of 3oblong-lanceolate bracts, 2-5-flowered; ray equalling orlonger than the breadth of the disk; achenes linear, gla-brous, about li long. In alkaline soil, Missouri to Colorado. Texas and In our first edition included in the Mexican (Cav.) Pers.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
