ERUCASTRUM incanum.
Hoary Mustard.
TETRAD YNAMIA Siliquosa.
Gen. Char. Pods linear., with convex one-nerved
valves. Seeds in one row, ovate or oblong, compressed.
Cotyledons incumbent, conduplicate.
Spec. Char. Leaves lyrate, hispid; cauline ones
linear-lanceolate. Pods adpressed, turgid, with a
short one-seeded beak. Stem much-branched.
Erucastrum incanum. Koch. Syn. 56. Bab. Prim.
Sam. 9.
Sinapis incana. Linn. Amcen. v. 4. 281. Sp.Pl.934.
Jacq. Hort. Vind. t. 169. DeCand. Syst. v. 2.
619. Prod. v. 1.220. Bot. Gall. 52. Reich.
FI. Excurs. n. 4423. leones FI. Germ. t. 85. f .
4423. Hook. Br. FI. ed. 4. p. 257.
T h e present plant is referred to Erucastrum, instead
of Sinapis, in conformity with the arrangement of the Bras-
siceae, adopted from Koch, in the description of Sinapis
Cheiranthus, 2821 of this work.
The root of this plant is fusiform and very strong, penetrating
to a great depth. Stem erect, round, solid, much
branched in a divaricating manner, clothed with short de-
flexed hairs, or rarely nearly glabrous, 2—3 feet high.
Radical leaves stalked, lyrate, unequally toothed, the terminal
lobe large, obtuse, roundish-oblong ; intermediate
ones nearly entire, oblong, stalked; upper ones undivided,
linear-lanceolate, nearly sessile; all hispid, not properly