. 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. Genus 84. THISTLE FAMILY. 5" 2. Helenium nudifldrum Nutt. Purple- head Sneezeweed. Fig. 4543. Helenium nudiflorum Nutt. Trans. Am. Phil. Soc. (II) 7: 384. 1841. Leptopoda brachypoda T. & G. Fl. N. A. 2: 388. 1842. Perennial; stem mostly slender, puberulent at least above, corymbosely branched near the sum- mit, i°-3° high, narrowly winged by the decur-
. 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. Genus 84. THISTLE FAMILY. 5" 2. Helenium nudifldrum Nutt. Purple- head Sneezeweed. Fig. 4543. Helenium nudiflorum Nutt. Trans. Am. Phil. Soc. (II) 7: 384. 1841. Leptopoda brachypoda T. & G. Fl. N. A. 2: 388. 1842. Perennial; stem mostly slender, puberulent at least above, corymbosely branched near the sum- mit, i°-3° high, narrowly winged by the decur- rent leaf-bases. Stem leaves lanceolate or linear- lanceolate, entire or sparingly denticulate, acute or obtusish at the apex, ii-3' long, 2"-6" wide, sessile; basal and lower leaves spatulate, obtuse, more or less dentate, tapering into margined petioles; heads several or numerous, i-ii broad, on slender or short-puberulent peduncles; rays 10-15 (sometimes wanting), drooping, yellow, yellow with a brown base, or brown throughout, 3-toothed, neutral, or with rudimentary pistils, sterile, equalling or exceeding the brown or purple globose disk; pappus scales ovate, aristate. In moist soil, Missouri and Illinois to Texas, east to North Carolina and Florida. Also locally natural- ized from Pennsylvania to Connecticut. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton, Nathaniel Lord, 1859-1934; Brown, Addison, 1830-1913. New York, Scribner
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
