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 MUSTARD FAMILY I. Brassica nigra (L.) Koch. Black Mustard. Fig. 2105. Sinapis nigra L. Sp. PI. 668. 1753. Brassica nigra Koch, in Roehl, Deutsche Fl. Ed. 3, 4:713- 1833. Annual, erect, 2°-/° high, freely and widely branching, pubescent or glabrate. Lower leaves slender-petioled, deeply pin- natifid, with i terminal large lobe and 2-4 smaller
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 MUSTARD FAMILY I. Brassica nigra (L.) Koch. Black Mustard. Fig. 2105. Sinapis nigra L. Sp. PI. 668. 1753. Brassica nigra Koch, in Roehl, Deutsche Fl. Ed. 3, 4:713- 1833. Annual, erect, 2°-/° high, freely and widely branching, pubescent or glabrate. Lower leaves slender-petioled, deeply pin- natifid, with i terminal large lobe and 2-4 smaller lateral ones, dentate all around; upper leaves shorter-petioled or sessile, pin- natifid or dentate, the uppermost reduced to lanceolate or oblong entire blades; flowers bright yellow, 3'-5' broad; pedicels slen- der, appressed, 2' long in fruit; pods nar- rowly linear, 4-sided, 5'-7' long, *' wide, appressed against the stems and forming very narrow racemes; beak slender, l'-2' long; seeds dark brown. In fields and waste places, common through- out our area, except the extreme north, west to the Pacific Coast. Bermuda. Naturalized from Europe. Native also of Asia. Cadlock. Warlock. Kerlock. Scurvy-senvie. June-Nov.
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