. 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. COMPOSITAE. Vol. III. 7. Eupatorium album L. White Thor- oughwort. Fig. 4158. Eupatorium album L. Mant. in. 1767. Eupatorium glandulosum Michx. Fl. Bor. Am. 2: 98. 1803. Eupatorium album subvenosum A. Gray, Syn. Fl. 1 : Part 2, 98. 1884. Pubescent with spreading hairs, branched above, i°-3° high. Leaves opposite, sessile or nearly so, oblong or oblong-lanceolat
. 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. COMPOSITAE. Vol. III. 7. Eupatorium album L. White Thor- oughwort. Fig. 4158. Eupatorium album L. Mant. in. 1767. Eupatorium glandulosum Michx. Fl. Bor. Am. 2: 98. 1803. Eupatorium album subvenosum A. Gray, Syn. Fl. 1 : Part 2, 98. 1884. Pubescent with spreading hairs, branched above, i°-3° high. Leaves opposite, sessile or nearly so, oblong or oblong-lanceolate, obtuse, obtusish or the upper acute at the apex, nar- rowed at the base, coarsely or rather finely ser- rate, 1'-4' long, i'-i' wide, rather thick, mi- nutely scabrous above, more or less pubescent beneath; inflorescence cymose-paniculate; heads numerous, 4"-5" long, 5-7-flowered; involucre narrow, its bracts bright white, linear, cuspi- date, imbricated in 3-4 series, the outer short and usually pubescent, the inner much longer, glabrous and shining; flowers white. In sandy soil, Long Island to Florida, Ten- nessee, Arkansas and Louisiana. Ascends to 3000 ft. in Virginia. 8. Eupatorium hyssopifdlium L. Hyssop- leaved Thoroughwort. Fig. 4159. Eupatorium hyssopifolium L. Sp. PI. 836. 1753. E. linearifolium Walt. Fl. Car. 199. 1788. Roughish-puberulent, densely corymbosely branched above, bushy, i°-2° high. Leaves linear, opposite, and fascicled in the axils of the stem, or on short axillary branches, entire or very nearly so, ¥-2' long, l"-2" wide, firm, obtuse at the apex, narrowed at the base; inflorescence densely cymose-paniculate; heads 3 "-4" long, about 5-flowered; involucre campanulate, its bracts linear or linear-oblong, obtuse or truncate, some- time apiculate, puberulent, imbricated in about 3 series, the outer shorter; flowers white. In dry fields, Massachusetts to Florida and Texas. Justice-weed. Leaf-margins usually
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
