. 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. Genus 63. THISTLE 3. Ratibida Tagetes (lames) Cone-flower. Fig. 4455. Rudbeckia Tagetes James in Longs Exp. 2 : 68. 1823. Lepachys Tagetes A. Gray, Pac. R. R. Rep. 4: Ratibida Tagetes Barnhart, Bull. Torn Club 24: Rough-canescent; stem i°-ii° high, usuallymuch branched, leafy. Leaves firm, pinnatelydivided into 3-7 narrowfly l
. 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. Genus 63. THISTLE 3. Ratibida Tagetes (lames) Cone-flower. Fig. 4455. Rudbeckia Tagetes James in Longs Exp. 2 : 68. 1823. Lepachys Tagetes A. Gray, Pac. R. R. Rep. 4: Ratibida Tagetes Barnhart, Bull. Torn Club 24: Rough-canescent; stem i°-ii° high, usuallymuch branched, leafy. Leaves firm, pinnatelydivided into 3-7 narrowfly linear, mostly entiresegments; peduncles terminal, V-2 long; headsi broad, or less; bracts of the receptacle narrow,deflexed; rays few, mostly shorter than the glo-bose to short-oval disk; style-tips obtuse; achenesscarious-margined; pappus of i or 2 subulatedeciduous teeth, with no short intermediate teeth. On dry plains and rocky hills, Kansas to Texas,Colorado, Chihuahua, New Mexico and 64. ECHINACEA Aloench, Meth. 591. 1794.[Brauneria Neck. Elem. i: 17. Hyponym. 1790.]Perennial erect branched or simple herbs, with thick black roots, thick rough alternateor opposite, 3-5-nerved entire or dentate, undivided leaves, and
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
