. 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. 49° COMPOSITAE. Vol. i. Coreopsis lanceolata L. Lance-leaved Tickseed. Fig. 4492. Coreopsis lanceolata L. Sp. PI. 908. 1753. Coreopsis lanceolata var. angustifolia T. & G. Fl. N. A. 2 : 344. 1842. Perennial; stem slender, glabrous, or sparingly hispid near the base, i°-2° high. Leaves glabrous, the lower and basal ones slender-petioled, spatu- late or
. 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. 49° COMPOSITAE. Vol. i. Coreopsis lanceolata L. Lance-leaved Tickseed. Fig. 4492. Coreopsis lanceolata L. Sp. PI. 908. 1753. Coreopsis lanceolata var. angustifolia T. & G. Fl. N. A. 2 : 344. 1842. Perennial; stem slender, glabrous, or sparingly hispid near the base, i°-2° high. Leaves glabrous, the lower and basal ones slender-petioled, spatu- late or narrowly oblong, very obtuse, 2'-6' long, entire, or with 1-3 lateral obtuse entire lobes; stem leaves few, sessile or nearly so, lanceolate or oblong, obtuse or acutish, usually quite entire; heads few or solitary on elongated slender pedun- cles, ii'-2i' broad, showy; peduncles often 12' long; involucre depressed-hemispheric, its bracts glabrous or ciliate, lanceolate or ovate-lanceolate, the outer narrower than the inner, but nearly as long; rays 6-10, bright yellow, cuneate, 3-7-lobed; achenes oblong, broadly winged, about 1" long; pappus of 2 short teeth. In dry or moist soil, Ontario to Virginia, Michigan, Illinois, Florida, Louisiana and Missouri. Escaped from cultivation eastward. May-Aug. 2. Coreopsis crassifolia Ait. Thick-leaved or Hairy Tickseed. Fig. 4493. Coreopsis crassifolia Ait. Hort. Kew. 3: 253. 1789. Coreopsis lanceolata var. villosa Michx. Fl. Bor. Am. 2: 137. 1803. Perennial; stem hirsute or villous-pubescent below, ascending, little branched, 8'-2o' high. Leaves rather thick, hirsute or pubescent, all entire, the lower and basal ones petioled, oblong to obovate-spatulate, mostly very obtuse, 1/-3' long, 4"-io" wide; stem leaves few, short-peti- oled or sessile, obtuse or acutish, narrower; heads few, i'-2' broad, borne on slender, puberulent pe- duncles often i° long, similar to those of C. lan- ceolata, as are the rays, involucral bra
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
