. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. 756. B. juDcea. Stem-leaf and part of fruiting raceme x %. — Annuals or biennials, with yellow flowers. Lower leaves mostly lyrate, incised, or pinnatifid. (The Latin name of the Cabbage.) * Beak of the pod large, fiat or conspicuously angled, usually containing one seed in an indehiscent cell; leaves not clasping at the base. 1. B. Alba (L.) Boiss. (White M.) Pods bristly, ascending on spreading pedicels, mure than half their length occupied by
. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. 756. B. juDcea. Stem-leaf and part of fruiting raceme x %. — Annuals or biennials, with yellow flowers. Lower leaves mostly lyrate, incised, or pinnatifid. (The Latin name of the Cabbage.) * Beak of the pod large, fiat or conspicuously angled, usually containing one seed in an indehiscent cell; leaves not clasping at the base. 1. B. Alba (L.) Boiss. (White M.) Pods bristly, ascending on spreading pedicels, mure than half their length occupied by the sword-shaped beak; leaves all pinnatifid ; seeds pale. (Sinapis 1,.)—Cultivated, and occasionally spontaneous. (Introd. from Eu.) 2. B. ARVENSIS (L.) Ktze. (Charlock.) Knotty pods fully one third occupied by a' stout 2-edged beak; upper leaves rhombic, scarcely pelioled, merely toothed ; fruiting pedicels short, thick; pods smooth or rarely bristly, 4 cm. long. {B. Sinapistrum Boiss.; Sinapis arvensis L.)—Noxious weed in grain- fields, etc. (Nat. from Eu.) Fig. 755. * * Beak smaller, conical, seedless ; leaves not clasping. 3. B. jiJncea (L.) Cosson. Nearly glabrous, somewhat glaucous; upper leaves oblong, subentire', attenuate at the base; the lower lyrate; pedicels slender, spreading ; pod at length cm. long. — Roadsides, grain-fields, etc., recently introduced but already common. (Nat. from Asia.) Fig. 756. 4. B. jap6nica Siebold. (Ccrled M.) Leaves crisped and much cleft; otherwise similar to the last.—Occasionally established after cultivation. (Introd. from Asia.) 6. B. NtoitA (L.) Koch. (Black M.) Hirsute with scattered hairs, green; leaves slender-petioled, the lower with a very large terminal lobe and a few small lateral ones; pods short, cm. long, on short erect pedicels, oppressed ; seeds dark, very pungent. — Roadsides and waste places, common. (Nat. from Eu.) Fig. 757. * * * Leaves cordate- or ain'icu- late-clasping at the base. X< 6
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