An illustrated flora of 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 . ed2illustratedflo02brit Year: 1913 3. Lepidium ruderale L. Roadside or Narrow-leaved Pepper-grass. Fig. 2039. Lepidium ruderale L. Sp. PI. 645. 1753. Annual, erect, 6-15' high, glabrous, wiry, freely branching. Basal and lower leaves oblong in outline, l'-4' long, 1-2-pinnatifid into linear or oblong obtuse segments; upper leaves smaller, entire or
An illustrated flora of 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 . ed2illustratedflo02brit Year: 1913 3. Lepidium ruderale L. Roadside or Narrow-leaved Pepper-grass. Fig. 2039. Lepidium ruderale L. Sp. PI. 645. 1753. Annual, erect, 6-15' high, glabrous, wiry, freely branching. Basal and lower leaves oblong in outline, l'-4' long, 1-2-pinnatifid into linear or oblong obtuse segments; upper leaves smaller, entire or with a few lobes; flowers i' broad or less, greenish; petals none; stamens 2; pods flat, not margined, about l' in length, short-oval; pedicels spreading or somewhat ascending, very slender, ii'-2' long in fruit; valves sharply keeled, barely winged; seeds marginless; coty- ledons incumbent. In waste places, on ballast and along roadsides about the cities, Nova Scotia to Texas, and recorded from Bermuda. Naturalized from Europe. Has the unpleasant odor of wart-cress. Occurs also in Aus- tralia. Summer. 4. Lepidium virginicum L. Wild Pepper- grass. Fig. 2040. Lepidium virgin L. Sp. PI. 645. 1753- Basal leaves obovate or spatulate in outline, generally with a large terminal lobe and numerous small lateral ones, all dentate, glabrous or slightly pubescent; stem-leaves lanceolate or oblong- linear, sharply dentate or entire, sessile, or the lower stalked; flowers i'-i' broad, white, petals generally present, sometimes wanting in the later flowers; stamens 2; pedicels very slender, spread- ing, 2'-i' long in fruit; pod flat, short-oval or orljicular, minutely winged above; cotyledons ac- cumbent. In fields and along roadsides, Quebec to Minne- sota. Colorado, Florida, Texas and Mexico. Also in the West Indies, and introduced as a weed into south- ern Europe. Bird's-pepper. Tongue-grass. May- Nov.
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