. 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. hite, 2-3 long; achenes glabrous, 8-io-nerved; pap-pus double, the outer row of bristles rather conspicuous. In dry soil. South Dakota to western Nebraska, Wyoming,Colorado and Xew Mexico. June-Aug. 7. Erigeron hyssopifolius Michx. Hyssop-leaved Erigeron. Fig. 4367. Erigeron hyssopifolius Michx. Fl. Bor. Am. 2 : 123. graminifolius Pursh, Fl. Am. Sept. 545. 1814. Pe
. 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. hite, 2-3 long; achenes glabrous, 8-io-nerved; pap-pus double, the outer row of bristles rather conspicuous. In dry soil. South Dakota to western Nebraska, Wyoming,Colorado and Xew Mexico. June-Aug. 7. Erigeron hyssopifolius Michx. Hyssop-leaved Erigeron. Fig. 4367. Erigeron hyssopifolius Michx. Fl. Bor. Am. 2 : 123. graminifolius Pursh, Fl. Am. Sept. 545. 1814. Perennial by slender rootstocks; stems tuftedor single, very slender, simple or branched, gla-brous or very nearly so, 4-i5 high. Leaves nar-row, thin, the basal and lower ones oblong orspatulate, short-petioled, I-ii long, ii-2 wide,the upper linear or linear-oblong, acute, usuallynumerous; heads solitary or several, slender-peduncled, 5-8 broad; peduncles appressed-pubescent; involucre nearly cylindric at flower-ing time, its bracts linear-lanceolate, sparinglypubescent; rays 12-30, white or purplish. s-6long; pappus simple. On moist cliffs, Newfoundland to northern Ver-mont, Mackenzie and Lake Superior.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
