. 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. COMPOSiTAE. 6. Erigeron canus A. 4366. Vol. III. Hoary Erigeron. Erigeron canus A. Gray, Mem. Am. . (IIj 4: 67. 1849. Perennial by a deep woody root, resembling the pre-ceding species; stems slender, erect, tufted, appressed-canescent, 6-io high, simple, or branched above. Leavesnarrow, entire, canescent, the basal and lower ones nar-rowly spatulate, petioled,
. 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. COMPOSiTAE. 6. Erigeron canus A. 4366. Vol. III. Hoary Erigeron. Erigeron canus A. Gray, Mem. Am. . (IIj 4: 67. 1849. Perennial by a deep woody root, resembling the pre-ceding species; stems slender, erect, tufted, appressed-canescent, 6-io high, simple, or branched above. Leavesnarrow, entire, canescent, the basal and lower ones nar-rowly spatulate, petioled, 2-4 long, the upper linear,sessile, acute, gradually smaller; heads solitary, or 2-4,peduncled, 6-8 broad ; involucre hemispheric, its bractslinear, acute, densely canescent; rays 40-50, purple orwhite, 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
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
