. 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. 16. Erigeron vermis (L.) T. & G. Early Fleabane. Fig. 4376. Aster vernus L. Sp. PI. 876. 1753. E. nudicaulis Michx. Fl. Bor. Am. 2 : 124. 1803. Erigeron vernus T. & G. Fl. N. A. 2: 176. 1841. Perennial by stolons and offsets; stem slender, simple or branched above, glabrous, or the branches pubescent, i°-2i° high. Leaves mainly in a basal rosette, glabr
. 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. 16. Erigeron vermis (L.) T. & G. Early Fleabane. Fig. 4376. Aster vernus L. Sp. PI. 876. 1753. E. nudicaulis Michx. Fl. Bor. Am. 2 : 124. 1803. Erigeron vernus T. & G. Fl. N. A. 2: 176. 1841. Perennial by stolons and offsets; stem slender, simple or branched above, glabrous, or the branches pubescent, i°-2i° high. Leaves mainly in a basal rosette, glabrous, obovate, oval or spat- ulate, obtuse, repand-denticulate or entire, 2'~4' long, narrowed into margined petioles; stem leaves mostly reduced to subulate-lanceolate scales, the lowest sometimes spatulate or oblong; heads not numerous, corymbose, peduncled, about 5" broad; involucre hemispheric, its bracts linear- subulate ; rays 20-30, white or pink, Qi'-J," long; pappus simple; achenes usually 4-nerved. In marshes and moist soil, Virginia to Florida and Louisiana. April-May. 17. Erigeron acris L. Blue or Bitter Flea- bane. Fig. 4377. Erigeron acris L. Sp. PI. 863. 1753. Erigeron Droebachianus O. F. Mueller, Fl. Dan. pi. 874. 1782. Erigeron acris Droebachianus Blytt, Norg. Fl. 1: 562. 1861. Erigeron acris debilis A. Gray, Syn. Fl. 1: Part 2, 220. 1884. Biennial or perennial; stem hirsute-pubescent or glabrate, slender, simple, or branched above, 6'-2° high. Leaves pubescent or glabrous, entire, the basal and lower ones spatulate, mostly obtuse, 1-3' long, petioled, those of the stem mostly oblong or oblanceolate, obtuse or acutish, sessile, shorter; heads several or numerous, racemose or paniculate, peduncled, S"-6" broad; involucre hemispheric, its bracts linear, hirsute to glabrous; rays numerous, purple, equalling or slightly exceeding the brownish pappus; tubular pistillate flowers filiform, numer- ous; pappus simple or nearly so, copious. Labrador
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
