. 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. Artemisia Abrotanum L. Southernwood. Fig. 4579. Artemisia Abrotanum L. Sp. PI. 845. 1753. Perennial, somewhat shrubby; stem puberulent orglabrous, much branched, 2°-4° high, the branchesshort, erect or ascending. Leaves glabrous or some-what pubescent, i-3 long, 1-3-pinnately parted intolinear obtuse entire lobes about i wide, or the upper-most linear and entire, the lowest p
. 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. Artemisia Abrotanum L. Southernwood. Fig. 4579. Artemisia Abrotanum L. Sp. PI. 845. 1753. Perennial, somewhat shrubby; stem puberulent orglabrous, much branched, 2°-4° high, the branchesshort, erect or ascending. Leaves glabrous or some-what pubescent, i-3 long, 1-3-pinnately parted intolinear obtuse entire lobes about i wide, or the upper-most linear and entire, the lowest petioled; heads sev-eral-flowered, yellow, very numerous, nodding, race-mose-paniculate, 2-2^ broad; involucre nearly hemi-spheric, pubescent, its outer bracts lanceolate, acute,the inner ones obovate; receptacle glabrous; centralflowers fertile. In waste places, Massachusetts to western New York,southern Ontario, and Nebraska. Adventive from con-tinental Europe. Old English names, lads-love, boys-love,slovenwood, old-man, sweet benjamin. Artemisia procera Willd., a similar species, but withglabrous involucre, is recorded as escaped from gardens at Buffalo, N. Y. 10. Artemisia annua L. Annual Artemisia annua L. Sp. PI. 847. 1753. Annual, glabrous throughout, much branched, 2°-$*high. Leaves 2-6 long, finely 2-3-pinnately dissectedinto very narrow short, obtuse lobes, the lower andbasal ones slender-petioled, the upper sessile and lessdivided, but none of them entire; heads very nu-merous, about i broad, drooping, borne on veryslender peduncles of about their own length or less;involucre hemispheric, glabrous, its bracts few, ovateto oblong; receptacle glabrous; flowers commonly allfertile. In waste places, Ontario to New Hampshire, Virginia,West Virginia, Tennessee, Kansas and Arkansas, a badweed in some places. Adventive or naturalized fromAsia. Summer.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
