. 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 . 3. Eryngium Leavenworthii T. & G. Leavenworth's Fig. 3098. E. Leavenu'i T. & G. Fl. N. A. 1: 604. 1840. Stout, glabrous, i°-3'' high, branched above. Stem-leaves sessile, or somewhat clasping at the base, palmately pinnatifid into narrow spiny- toothed segments; basal and lowest leaves ob- lanceolate, mostly obtuse, spinose-denticulate; heads peduncled, ovoi
. 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 . 3. Eryngium Leavenworthii T. & G. Leavenworth's Fig. 3098. E. Leavenu'i T. & G. Fl. N. A. 1: 604. 1840. Stout, glabrous, i°-3'' high, branched above. Stem-leaves sessile, or somewhat clasping at the base, palmately pinnatifid into narrow spiny- toothed segments; basal and lowest leaves ob- lanceolate, mostly obtuse, spinose-denticulate; heads peduncled, ovoid-oblong, i'-2' long, nearly l' thick, equalling or longer than the spinose bracts; bractlets .V7-cuspidate. those of the upper part of the heads large and resembling the bracts; calyx-lobes pinnatifid, longer than the fruit. In dry soil. Kansas and Arkansas to Texas. July- Oct. Briery thistle.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
