. 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 . deiisis L. Sp. PI. 247. 1753. ritton, Mem. Torr. Club gia. Missouri and Kentucky. Ligusticum canadense 5:240. 1894. Stout, erect, much branched above, 2°-6° high. Leaves thin, those of the stem sessile or nearly so, the lower and basal petioled, often 1° wide, their primary divisions ternate, the secondary ternate or pinnate: segments ovate, or oval, iV-$' long, acute at the
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . deiisis L. Sp. PI. 247. 1753. ritton, Mem. Torr. Club gia. Missouri and Kentucky. Ligusticum canadense 5:240. 1894. Stout, erect, much branched above, 2°-6° high. Leaves thin, those of the stem sessile or nearly so, the lower and basal petioled, often 1° wide, their primary divisions ternate, the secondary ternate or pinnate: segments ovate, or oval, iV-$' long, acute at the apex, rounded at the base, coarsely and sharply ser- rate, or those of the uppermost leaves linear- lanceolate and entire; umbels mostly twice compound, sometimes 10' broad; bracts of the involucre 2-6, linear; bracts of the involucels several; pedicels i"-2" long in fruit; fruit ovoid, 2"-3" long with prominent slightly winged ribs; oil-tubes 3-4 in the intervals; seed angled on the back. In rich woods, southern Pennsylvania to Geor- Ascends to 4000 ft. in North Carolina. June-Aug.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
