. 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 102d meridian. Botany; Botany. Genus 63. THISTLE FAMILY 3. Ratibida Tagetes (James) Barnhart. Short-rayed Cone-flower. Fig. 4455. Rudbeckia Tagetes James in Long's Exp. 2 : 68. 1823. Lepachys Tagetes A. Gray, Pac. R. R. Rep. 4: 103. 1856. Ratibida Tagetes Barnhart, Bull. Torr. Club 24: 100. 1897. Rough-canescent; stem i°-ij° high, usually much branched, leafy. Leaves firm, pinnately divided
. 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 102d meridian. Botany; Botany. Genus 63. THISTLE FAMILY 3. Ratibida Tagetes (James) Barnhart. Short-rayed Cone-flower. Fig. 4455. Rudbeckia Tagetes James in Long's Exp. 2 : 68. 1823. Lepachys Tagetes A. Gray, Pac. R. R. Rep. 4: 103. 1856. Ratibida Tagetes Barnhart, Bull. Torr. Club 24: 100. 1897. Rough-canescent; stem i°-ij° high, usually much branched, leafy. Leaves firm, pinnately divided into 3-7 narrowly linear, mostly entire segments; peduncles terminal, J'-a' long; heads 1' broad, or less; bracts of the receptacle narrow, deflexed; rays few, mostly shorter than the glo- bose to short-oval disk; style-tips obtuse; achenes scarious-margined; pappus of I or 2 subulate deciduous teeth, with no short intermediate teeth. On dry plains and rocky hills, Kansas to Texas, Colorado, Chihuahua, New Mexico and Arizona. July-Sept. 64. ECHINACEA Moench, Meth. 591. 1794. [Brauneria Neck. Elem. 1: 17. Hyponym. 1790.] Perennial erect branched or simple herbs, with thick black roots, thick rough alternate or opposite, 3-5-nerved entire or dentate, undivided leaves, and large long-peduncled heads of tubular and radiate flowers, the rays purple, purplish, crimson or yellow, the disk green or purple, at length ovoid or conic. Involucre depressed-hemispheric, its bracts lanceolate, spreading or appressed, imbricated in 2-4 series. Receptacle conic, chaffy, the chaff carinate and cuspidate. Ray-flowers neutral, or with a rudimentary pistil. Disk-flowers perfect, the corolla cylindric, 5-toothed. Achenes 4-sided, obpyramidal, thick. Pappus a short dentate crown. [Greek, referring to the spiny chaff of the receptacle.] Four species, natives of eastern and central North America. Type species: Echinacea purpurea (L.) Moench. Rays purple, crimson, pink or white. Leaves broad, ovate to
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
