. 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. 18. Helianthus mollis Lam. Hairy Sun- flower. Fig, 4478. •Helianthus mollis Lara. Encycl. 3 : 85. 1789. Perennial; stem stout, simple or sparingly' branched above, densely hirsute, 2°-4° high. Leaves -ovate or ovate-lanceolate,, closely sessile and somewhat clasp- ing by a broad cordate base, pinnately veined, 3- nerved above the base, all opposite, or the uppe
. 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. 18. Helianthus mollis Lam. Hairy Sun- flower. Fig, 4478. •Helianthus mollis Lara. Encycl. 3 : 85. 1789. Perennial; stem stout, simple or sparingly' branched above, densely hirsute, 2°-4° high. Leaves -ovate or ovate-lanceolate,, closely sessile and somewhat clasp- ing by a broad cordate base, pinnately veined, 3- nerved above the base, all opposite, or the upper alternate, ascending, acute or acuminate, scabrous or cinereous-pubescent above, densely and finely pubes- cent beneath, serrulate, 2-5' long, 1'-2J' wide; heads solitary or few, 2'-3' broad; involucre hemispheric, its bracts lanceolate, acuminate, densely villous-ca- nescent, somewhat spreading; disk yellow; rays 15- 25; chaff canescent at' the summit; mature achenes nearly glabrous; pappus of 2 lanceolate scales. In dry barren soil, Massachusetts to New Jersey, Geor- gia, Iowa, Missouri, Kansas and Texas. 19. Helianthus doronicoides Lam. Oblong- leaved Sunflower. Fig. 4479. Helianthus doronicoides Lam. Encycl. 3: 84. 1789. Perennial by slender rootstocks; stems stout, rough, or finely rough-pubescent, branched above, 3°-7° high. Leaves oblong, ovate-oblong, or ovate, thick, ascend- ing, serrate or serrulate, acute or acuminate at the apex, narrowed at or below the middle to a sessile or slightly clasping base, rough, on both sides, or finely pubescent beneath, 3-nerved, 4'S' long, i'-2l' wide; heads commonly numerous, zh'-A1 broad; involucre hemispheric, its bracts lanceolate, acuminate, pubescent or hirsute, somewhat spreading; disk yellow; rays 12- 20, 4"-6" wide; achenes glabrous; pappus of 2 subu- late awns. In dry soil, Ohio to Missouri and Arkansas, from Michigan. Recorded. 20. Helianthus decapetalus L. Thin-leaved or Wild Sunflow
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
