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; 2nd ed. . nnual, biennial or perennial, mainly erect and branching herbs, more or less pubescentor hoary, with J-branched hairs, the leaves simple, entire, toothed or lobed. Flowers elongated, linear, 4-aiiglcd or rarely terete; valves strongly keeled by a prominentmidvein. Stigma lobed. Seeds oblong, in i row in each cell, marginless or narrowly mar-gined at th
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; 2nd ed. . nnual, biennial or perennial, mainly erect and branching herbs, more or less pubescentor hoary, with J-branched hairs, the leaves simple, entire, toothed or lobed. Flowers elongated, linear, 4-aiiglcd or rarely terete; valves strongly keeled by a prominentmidvein. Stigma lobed. Seeds oblong, in i row in each cell, marginless or narrowly mar-gined at the top; cotyledons incumbent. [Greek name from similarity of this genus toCheiri Adans.] A genus of about 90 species, natives of the north temperate zone, most abundant in easternEurope and central Asia. In addition to the following, several others are found in the RockyMountains and on the California coast. Type species; Clieirinia cheiranlhoides (L.) Link. Flowers 2-4 high. Pedicels slender, spreading: pods very narrow, 6-ij stout, short. Perennial; native : pods ; introduced ; pods 8-12 high, conspicuous. 1. C. cheiranlhoides. 2. C inconspicua. 3. C. repanda. 4. C. I. Cheirinia cheiranthoides (L.) Link. Worm-seed or Treacle Mustard. Fig. 2055. Erysiiiiinn cheiranthoides L. Sp. PI. 661. 1753. Cheirinia cheiranthoides Link, Enuni. Hort. Bcrol. 2: Cheiranthus cheiranlhoides Heller, Cat. X. A. PI. 4. 1898. Erect, minutely rough-pubescent, branching, 8-2°high. Leaves lanceolate or oblong-lanceolate, i~Xlong, acutish or obtuse, entire or slightly dentate, taper-ing at the base into a short petiole or the upper sessile;pedicels slender, spreading or somewhat ascending,3-4 long in fruit; flowers about 2i high; podslinear, obtusely 4-angled, glabrous, 6-i2 long, lessthan l broad, nearly erect on slender spreading pedi-cels ; valves strongly keeled; styles ¥ long. Along streams and in fields, Newfoundland to New Jerse
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
