L. CAMPÉSTRE, Br. Minutely _soft downy_; leaves arrow-shaped, somewhat toothed; _pods ovate, winged_, rough, the style longer than the narrow notch.--Old fields, Mass. and N. Y. to Va.; rare. (Nat. from Eu.) L. DRÀBA, L. Perennial, _obscurely hoary_; leaves oval or oblong, the upper with broad clasping auricles; flowers corymbose; _pods heart-shaped, wingless_, thickish, entire, tipped with a conspicuous style.--Astoria, near New York, _D. C. Eaton_. (Adv. from Eu.) 21. SENEBIÈRA, DC. WART-CRESS. SWINE-CRESS. Pod flattened contrary to the narrow partition; the two cells indehiscent and falling away at maturity from the partition as closed nutlets, strongly wrinkled or tuberculate, 1 seeded. Cotyledons narrow and incumbently folded transversely. Low and diffuse or prostrate annuals or biennials, with minute whitish flowers. Stamens often only 2. (Dedicated to _J. Senebier_, a distinguished vegetable physiologist.) S. DÍDYMA, Pers. Leaves 1--2-pinnately parted; _pods notched at the apex, rough-wrinkled_.--Waste places, at ports, E. Mass. to Va., etc.; an immigrant from farther south. S. CORONÒPUS, DC. Leaves less divided, with narrower lobes; _pods not notched at the apex, tubercled_.--At ports, R. I. to Va., etc. (Adv. from Eu.) 22. CAKÌLE, Tourn. SEA-ROCKET. Pod short, 2-jointed across, fleshy, the upper joint separating at maturity; each indehiscent, 1-celled and 1-seeded, or the lower sometimes seedless. Seed erect in the upper, suspended in the lower joint. Cotyledons obliquely accumbent.--Seaside fleshy annuals. Flowers purplish. (An old Arabic name.) 1. C. Americàna, Nutt. (AMERICAN SEA-ROCKET.) Leaves obovate, sinuate and toothed; lower joint of the fruit obovoid, emarginate; the upper ovate, flattish at the apex.--Coast of the Northern States and of the Great Lakes. July--Sept.--Joints nearly even and fleshy when fresh; the upper one 4-angled and appearing more beaked when dry. 23. RÁPHANUS, Tourn. RADISH. Pods linear or oblong, tapering upward, indehiscent, several-seeded, continuous and spongy within between the seeds, or necklace-form by constriction between the seeds, with no proper partition. Style long. Seeds spherical and cotyledons conduplicate, as in Brassica.--Annuals or biennials. (The ancient Greek name from ῥαι, _quickly_, and φαίνω, _to appear_, alluding to the rapid germination.) R. RAPHANÍSTRUM, L. (WILD RADISH. JOINTED CHARLOCK.) Pods necklace-form, long-beaked; leaves lyre-shaped, rough; petals yellow, turning whitish or purplish, veiny.--A troublesome weed in fields, E. New Eng. to Penn. (Adv. from Eu.) ORDER 11. CAPPARIDÀCEÆ. (CAPER FAMILY.)