. 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. 16. Helianthus Kellermani Britton Kellerman's Sunflower. Fig. 4476. Helianthus Kellermani Britton, Manual 994. 1901. Stem 6°-io° high, very smooth, much branch- ed above, the branches slender. Leaves nar- rowly elongated-lanceolate to linear-lanceolate, drooping, rather thin, distantly serrate with very small teeth, long-acuminate at the apex, attenuate at the
. 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. 16. Helianthus Kellermani Britton Kellerman's Sunflower. Fig. 4476. Helianthus Kellermani Britton, Manual 994. 1901. Stem 6°-io° high, very smooth, much branch- ed above, the branches slender. Leaves nar- rowly elongated-lanceolate to linear-lanceolate, drooping, rather thin, distantly serrate with very small teeth, long-acuminate at the apex, attenuate at the base into short petioles or the upper sessile, scabrate and sparingly pubes- cent on both surfaces, pinnately veined, the lower about 8' long and 7" wide; branches of the inflorescence pubescent; bracts of the in- volucre linear-lanceolate, about 7" long, and 1" wide or less at the base, ciliate, long-acumi- nate; rays golden-yellow, i'-ii' long; chaff of the receptacle linear. Dry soil, vicinity of Columbus, Ohio. Sept. 17. Helianthus divaricatus L. Rough or Woodland Sunflower. Fig. 4477. Helianthus divaricatus L. Sp. PI. 906. 1753. Perennial by slender rootstocks; stem glabrous throughout, or pubescent at the summit, slender, 2°-7° high. Leaves usually all opposite, divaricate, lanceolate or ovate-lanceolate, firm, dentate or den- ticulate, 3-nerved, rough above, pubescent beneath, sessile or nearly so by a truncate base^ tapering gradually to the long-acuminate apex, 3'-8' long, i'-ii' wide; heads few or solitary, about 2' broad, borne on strigose-pubescent peduncles; involucre hemispheric, its bracts lanceolate or ovate-lanceo- late, strigose or hirsute, the outer ones spreading; disk yellow; rays 8-15; chaff of the receptacle apiculate; achenes glabrous; pappus of 2 short subulate awns. In dry woodlands, Maine and Ontario to Manitoba, Nebraska, Florida and Louisiana. Please note that these images are extracted from scanned page images t
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
