. 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. COMPOSlTAE. Vol. III. 6. Erigeron canus A. Gray. Hoary Erigeron. Fig. 4366. Erigeron canus A. Gray, Mem. Am. Acad. (II) 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. Leaves narrow, entire, canescent, the basal and lower ones nar- rowly
. 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. COMPOSlTAE. Vol. III. 6. Erigeron canus A. Gray. Hoary Erigeron. Fig. 4366. Erigeron canus A. Gray, Mem. Am. Acad. (II) 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. Leaves narrow, 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 bracts linear, acute, densely canescent; rays 40-50, purple or white, 2"-3" long; achenes glabrous, 8-10-nerved; pap- pus double, the outer row of bristles rather conspicuous. In dry soil, South Dakota to western Nebraska, Wyoming, Colorado and New Mexico. June-Aug. 7. Erigeron hyssopifolius Michx. Hyssop- leaved Erigeron. Fig. 4367. 2: 123. Erigeron hyssopifolius Michx. Fl. Bor. Am. 1803. Aster graminifolius Pursh, Fl. Am. Sept. 545 1814. Perennial by slender rootstocks; stems tufted or single, very slender, simple or branched, gla- brous or very nearly so, 4'-iS' high. Leaves nar- row, thin, the basal and lower ones oblong or spatulate, short-petioled, i'-ii' long, 1V-2" wide, the upper linear or linear-oblong, acute, usually numerous; heads solitary or several, slender- peduncled, 5 "-8" broad; peduncles appressed- pubescent; involucre nearly cylindric at flower- ing time, its bracts linear-lanceolate, sparingly pubescent; rays 12-30, white or purplish, 3"-6" long; pappus simple. On moist cliffs, Newfoundland to northern Ver- mont, Mackenzie and Lake Superior. Please note that these images are extracted from scanned page images that may have been digitally enhan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
