. 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. 11. Coreopsis cardaminefolia (DC.) T. & G. Cress-leaved Tickseed. Fig. 4502. Calliopsis cardaminefolia DC. Prodr. 5: 568. 1836. C. cardaminefolia T. & G. Fl. N. A. 2 : 346. 1842. Annual; stem glabrous, branched, i°-2i° high. Basal leaves petioled, 2'-4' long, 1-2-pinnately parted into oblong or oval obtuse segments, the petioles sometimes slightly cilia
. 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. 11. Coreopsis cardaminefolia (DC.) T. & G. Cress-leaved Tickseed. Fig. 4502. Calliopsis cardaminefolia DC. Prodr. 5: 568. 1836. C. cardaminefolia T. & G. Fl. N. A. 2 : 346. 1842. Annual; stem glabrous, branched, i°-2i° high. Basal leaves petioled, 2'-4' long, 1-2-pinnately parted into oblong or oval obtuse segments, the petioles sometimes slightly ciliate; stem leaves distant, ses- sile, or nearly so, pinnately parted into linear seg- ments, or the uppermost entire; heads 8"-i2" broad, slender-peduncled; involucre hemispheric, its inner bracts brown, ovate or ovate-lanceolate, obtuse or obtusish, scarious-margined, much longer than the lanceolate obtusish outer ones; rays 4-8, yellow with a brown base, 3-toothed; achenes oval, i"-i4" long, winged, smooth, or slightly papillose; pappus of 2 minute awns, or none. In moist soil, Kansas to New Mexico, Louisiana and northern Mexico. May-Oct. Coreopsis Atkinsoniana Dougl., a northwestern species, with linear leaf-segments and very narrowly winged achenes, ranges eastward into North Dakota. 12. Coreopsis tinctoria Nutt. Golden Co- reopsis. Garden Tickseed. Fig. 4503. C. tinctoria Nutt. Journ. Acad. Phila. 2: 114. 1821. Annual; stem glabrous, branched, i°-3i° high. Leaves 1-2-pinnately divided into linear, obtusish, mostly entire segments, or the uppermost linear and entire, the lower petioled; heads slender-peduncled, io"-I2" broad, or in cultivation much broader; invo- lucre hemispheric, its inner bracts brown, ovate or oblong, obtuse or acute, scarious-margined, 3-5 times as long as the obtuse outer ones; rays 6-10, cuneate, yellow with a brown base or brown all over; achenes linear or linear-oblong, about 1" long, wingless; pap- pus a mere b
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
