. 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 4. THISTLE FAMILY 16. Eupatorium perfoliatum L. Common Thoroughwort. Bone-set. Indian Sage. Fig. 4167. E. perfoliatum L. Sp. PI. 838. 1753-Eupatorium truncatum Muhl.; Willd. Sp. PI. 3: 1751. perfoliatum truncatum A. Gray, Syn. Fl. I : Part 2, 99. 1804. Pubescent, stout, branched above, 2°-5°high. Leaves opposite, or rarely in 3s,connate-perfoliate, or th
. 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 4. THISTLE FAMILY 16. Eupatorium perfoliatum L. Common Thoroughwort. Bone-set. Indian Sage. Fig. 4167. E. perfoliatum L. Sp. PI. 838. 1753-Eupatorium truncatum Muhl.; Willd. Sp. PI. 3: 1751. perfoliatum truncatum A. Gray, Syn. Fl. I : Part 2, 99. 1804. Pubescent, stout, branched above, 2°-5°high. Leaves opposite, or rarely in 3s,connate-perfoliate, or the upper, rarelyall, truncate and separated at the base,divaricate, lanceolate, long-acuminatewith a slender apex, finely crenate-ser-rate, rugose and pubescent beneath, 4-8long, I-ii wide; heads crowded, 10-16-flowered, 2-2, high; involucre cam-panulate, its bracts lanceolate, acutish,in 2 or 3 series, pubescent, the outershorter; flowers white, rarely blue. In wet places, Nova Scotia and NewBrunswick to Manitoba, Florida, Nebraskaand Texas. Called also ague-weed, cross-wort, wild sage, thorough-wax, thorough-grow, thorough-stem.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
