. 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. 32. Aster tardiflorus L. Northeastern Aster. Fig. 4313. Aster lardiflorus L. Sp. PI. Ed. 2, 1231. 1763. Aster patulus Lam. Encycl. 1: 308. 1783. Stem glabrous, slightly pubescent, or villous, co- rymbosely branched near the summit, i°-3° high. Leaves lanceolate, oblong-lanceolate, or ovate-lan- ceolate, serrate with low teeth, or some of them entire, acuminate
. 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. 32. Aster tardiflorus L. Northeastern Aster. Fig. 4313. Aster lardiflorus L. Sp. PI. Ed. 2, 1231. 1763. Aster patulus Lam. Encycl. 1: 308. 1783. Stem glabrous, slightly pubescent, or villous, co- rymbosely branched near the summit, i°-3° high. Leaves lanceolate, oblong-lanceolate, or ovate-lan- ceolate, serrate with low teeth, or some of them entire, acuminate at the apex, narrowed into a slightly clasping base, or the lower into winged petioles, glabrous or nearly so on both sides, rough- ish-margined, 3'-6' long, 4"-io" wide; heads about 1' broad, not very numerous, involucre hemispheric, its bracts often 6" long, acute, somewhat unequal; rays 20-30, violet; pappus nearly white; achenes pubescent. Along streams, New Brunswick to Pennsylvania. 33. Aster prenanthoides Muhl. Crooked- stem Aster. Fig. 4314. A. prenanthoides Muhl.; Willd. Sp. PI. 3: 2046. 1804. Aster prenanthoides porrectifolius Porter, Mem. Torr. Club 5 : 326. 1894. Stem glabrous, or pubescent in lines above, flexuous, much branched, i°-2° high. Leaves thin, oblong to ovate-lanceolate, or lanceolate, sharply and coarsely serrate, scabrous above, gla- brous or nearly so beneath, s'-8' long, o"-i8" wide, acuminate at the apex, abruptly narrowed below into a broad margined entire petiole, the base auriculate-clasping; heads usually numerous, 1'broad or more; involucre hemispheric, its bracts linear, acute, green, spreading, imbricated in 3 or 4 series, the outer shorter; rays 20-30, violet, 4"-6" long; pappus tawny; achenes pubescent. In moist soil, Massachusetts to Minnesota, Vir- ginia, Kentucky and Iowa. Aster schistosus Steele, of West Virginia, is in- termediate in characters between this species and A. Lowri
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
