. 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. 50. Aster Radula Ait. Low Rough Aster. File-blade Aster. Fig. 4331. Aster Radula Ait. Hort. Kew. 3 : 210. 1789. Aster bijiorus Michx. Fl. Bor. Am. 2: 114. 1803. Aster strictus Pursh, Fl. Am. Sept. 556. 1814. Aster Radula var. strictus A. Gray, Syn. Fl. 1: Part 2, 176. 1884. Aster Radula biflorus Porter, Mem. Torr. Club 5: 326. 1894. Stem glabrous, or puberulent
. 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. 50. Aster Radula Ait. Low Rough Aster. File-blade Aster. Fig. 4331. Aster Radula Ait. Hort. Kew. 3 : 210. 1789. Aster bijiorus Michx. Fl. Bor. Am. 2: 114. 1803. Aster strictus Pursh, Fl. Am. Sept. 556. 1814. Aster Radula var. strictus A. Gray, Syn. Fl. 1: Part 2, 176. 1884. Aster Radula biflorus Porter, Mem. Torr. Club 5: 326. 1894. Stem glabrous, or puberulent above, slender, corymbosely branched near the summit, or sim- ple, 4'-2° high. Leaves sessile, rough above, more or less pubescent beneath, lanceolate to oblong-lanceolate, acute, sharply serrate, strong- ly pinnately veined, 2'-^' long, 3"-l2" wide; heads several, or sometimes numerous, i'-ii' broad; involucre hemispheric, its bracts oblong or oblong-spatulate, coriaceous, appressed-pu- bescent, conspicuously ciliolate, their green ob- tuse or acutish tips very little spreading; rays 20-30, violet, 4"-6" long; achenes glabrous, striate; pappus nearly white. In swamps, Newfoundland to Delaware, Penn- sylvania, Maryland and West Virginia. July-Sept. 51. Aster Herveyi A. Gray. Hervey's Aster. Fig. 4332. Aster Herveyi A. Gray, Man. Ed. 5, 229. 1867. Stem roughish, at least above, slender, simple or corymbosely branched, rarely paniculate, i°-3° high, the branches glandular-puberulent. Leaves firm, rough above, pubescent on the veins beneath, the basal and lower ones on slender naked peti- oles, ovate, dentate with low usually distant teeth, acute at the apex, narrowed, rounded or rarely cordate at the base, 2'-6' long, 1-3' wide; upper leaves sessile, or narrowed into winged petioles, smaller, entire or nearly so; heads i'-ii' broad; involucre turbinate or campanulate, its bracts ap- pressed, or sometimes spreading, densely glandu- lar, oblong or spatulate,
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
