. 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. 43° COMPOSITAE. Vol. 64. Aster ericoides L. White Heath Aster. Frost-weed Aster. Fig. 4345. Aster ericoides L. Sp. PI. 875.' 1753. Aster villosus Michx. Fl. Bor. Am. 2 : 113. 1803. Not Thunb. 1800. Aster ericoides var. villosus T. & G. Fl. N. A. 2 : 124. 1841. Aster ericoides pilosus Porter, Mem. Torr. Club 5 : 323. 1894. Stem glabrous, villous, or hi
. 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. 43° COMPOSITAE. Vol. 64. Aster ericoides L. White Heath Aster. Frost-weed Aster. Fig. 4345. Aster ericoides L. Sp. PI. 875.' 1753. Aster villosus Michx. Fl. Bor. Am. 2 : 113. 1803. Not Thunb. 1800. Aster ericoides var. villosus T. & G. Fl. N. A. 2 : 124. 1841. Aster ericoides pilosus Porter, Mem. Torr. Club 5 : 323. 1894. Stem glabrous, villous, or hirsute, paniculately branched, usually bushy, i°-3° high, the branches racemose, and the branchlets often somewhat se- cund. Leaves firm or rigid, the basal ones spatu- late, obtuse, dentate, narrowed into margined peti- oles, glabrous or ciliate; stem leaves narrowly linear to linear-lanceolate, acute, entire, i's' long, l"~3" wide, those of the branches linear-subulate, numerous; heads usually very numerous, 4"-/' broad; involucre campanulate to hemispheric, its bracts coriaceous, lanceolate or linear-lanceolate, abruptly acute or acuminate, green-tipped, imbri- cated in about 3 series; rays 15-25, white, or tinged with rose; pappus white; achenes finely pubescent. In dry soil, Maine to Ontario, Florida, Minnesota and Missouri. Frost~weed. Michaelmas daisy. Farewell-summer. White rosemary. Dog-fennel. Mare's-tail. Scrub-bush. Steel-weed. A densely villous, broad-leaved relative or race of this species, ranging from Ohio to North Carolina and Michigan, is known as Aster ericoides platyphyllus T. & G. This species apparently hybridizes with A. paniculatus Lam. jwhere the two grow together 65. Aster Pringlei (A. Gray) Britton. Pringle's Aster. Fig. 4346. Aster ericoides var. Pringlei A. Gray, Syn. Fl. 1: Part 2, 184. 1884. Aster Pringlei Britton, in Britt. & Brown, 111. Fl. 3: 379. 1898. Stem very slender, glabrous, simple, or with few or nume
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