. 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 102nd meridian. e, with or without a few small outerones; rays lo-iS; achenes hispidulous, at leaston the angles; pappus white. In moist soil, southern New Jersey to Florida,Louisiana, Texas and Arkansas. April-June. 14. Senecio plattensis Nutt. Prairie Rag-wort. Fig. 4623. i. plattensis Nutt. Trans. Am. Phil. Soc. (II) 7: 413. Perennial, similar to the preceding species, usu-ally smaller-le
. 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 102nd meridian. e, with or without a few small outerones; rays lo-iS; achenes hispidulous, at leaston the angles; pappus white. In moist soil, southern New Jersey to Florida,Louisiana, Texas and Arkansas. April-June. 14. Senecio plattensis Nutt. Prairie Rag-wort. Fig. 4623. i. plattensis Nutt. Trans. Am. Phil. Soc. (II) 7: 413. Perennial, similar to the preceding species, usu-ally smaller-leaved, lower and less tomentose, orbecoming glabrate in age, seldom over ii° leaves oval, ovate or oblong, some or all ofthem often more or less pinnatifid, with the termi-nal segment much larger than the lateral ones,crenulate or dentate, long-petioled; stem leavesmostly smaller than the basal ones, usually pin-natifid ; heads several or numerous, compactly orloosely corymbose, conspicuously radiate. Indiana and Illinois to Ontario, North Dakota, Colo-rado, Missouri and Texas. April-June. Senecio pseudotomentosus Mackenzie & Bush, ofMissouri, differs in having the basal leaves mostlymerely
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
