. 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 . I. Cheirinia cheiranthoides (L.) Link. Worm- seed or Treacle Mustard. Fig. 2055. Erysimum cheiranthoides L. Sp. PI. 661. 1753. Cheirinia cheiranthoides Link, Enum. Hort. Berol. 2: i;o. Chciranthus cheiranthoides Heller, Cat. N. A. PI. 4. 1898. Erect, minutely rough-pubescent, branching, 8-2° high. Leaves lanceolate or oblong-lanceolate, 1-4' long, acntish or obtuse, entire o
. 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 . I. Cheirinia cheiranthoides (L.) Link. Worm- seed or Treacle Mustard. Fig. 2055. Erysimum cheiranthoides L. Sp. PI. 661. 1753. Cheirinia cheiranthoides Link, Enum. Hort. Berol. 2: i;o. Chciranthus cheiranthoides Heller, Cat. N. A. PI. 4. 1898. Erect, minutely rough-pubescent, branching, 8-2° high. Leaves lanceolate or oblong-lanceolate, 1-4' long, acntish 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 2J" high; pods linear, obtusely 4-angled, glabrous, 6"-i2" long, less than l" broad, nearly erect on slender spreading pedi- cels; valves strongly keeled; styles ¥' long. Along streams and in fields, Newfoundland to New Jersey, Pennsylvania, Tennessee and Missouri, west to the Pacific Coast. Appears in some places as adventive. Also in northern Europe. Tarrify. June-Aug. 3. Cheirinia inconspicua (S. \\'ats.) Britten. Small-flowered Prairie- rocket. Fig. 2056. Erysimum parviflorum Nutt.; T. & G. Fl. N. A. 1: 95- 1838. Not Pers. Erysimum asperum var. inconspicuum S. Wats. Bot. King's Exp. 24. 1871. jS. inconspicuum MacM. Met. Minn. 268. 1892. Erysimum syrticolum Sheldon, Bull. Torr. Club 20: 285. 1893. Perennial, roughish-puberulent or canescent, stem erect, i°-2° tall, simple or sparingly branched. Leaves oblanceolate or linear, l'-3' long, obtuse, entire or dentate, the upper ses- sile, the lower slender-petioled; flowers about 4" high and broad; pedicels stout, about 2" long in fruit, ascending; pod narrowly linear, S -2i' long, about i" wide, minutely rough- puberulent, narrowly ascending or erect; style very stout, J"-i" long. In dry soil, Onta
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
