606 vioi.ackjE. 



BARBAREA, K. Br. 



Siliquc long, linear, terete or 4-si(kMl, tlie valves keeled. Seeds in a single 

 row ill each cell, niarginless. Cotyletlon tliick, accumbent. — Biciiniul or 

 perennial lierbs, with pinnatifid cliisi>ing leaves, and yellow flowers. 



B. praecox, H. Br. (Scurvy Grass ) Lower leaves lyrate, with the 

 terminal lohe obovate, the upper ones pinnatifid, with oblong-linear lobes ; 

 silique compressed, barely thicker than its pedicel ; style short and tliick. — 

 Waste places, North Carolina. Introduced. 



ERYSIMUM, L. 



Siliquc linear, 4-angular, tlie valves keeled. Seeds in a single row in each 

 cell, oblong, marginless. Cotyledon flat, incumbent. — Chiefly biennial 

 herbs, with narrow leaves, and yellow tlowers. 



E. cheiranthoides, L. (Wormseed Mustard.) Stem erect, branch- 

 ing above, closely pubescent ; leaves thin, lanceolate, acute, entire or slightly 

 toothed, roughish; flowers small; silique ascending, rather longer than the 

 slender pedicel, the angles rounded. — North Carohna (Curtis). July. — 

 Stem 1° - 2° high. Silique 8" - 10" long. 



CAKILE, Tourn. 



C. maritima, Scop., var. Cubensis. Stem and branches erect ; 

 leaves linear, obtuse, dentate-serrate, tapering into a petiole ; loment obo- 

 vate. (C. Americana, var. Cubensis, DC.) — Keys of South Florida. 



OuDEu CAPPARIDACEJE. 

 POLANISIA, Raf. 



P. traehysperma, Torr. & Gray? Glandular-pubescent ; leaflets and 

 bracts ovate or oblong ; raceme loosely many-flowered ; petals bright-yellow 

 (■J' long), the obovate notched limb as long as the capillary claw; stamens 

 20-r,0, 2 -.3 times as long as the petals ; style longer than the ovary ; capsule 

 stipitate.— Roadsides, Dadeville, Alabama [Charks Molir). 



Order YlOl^XC^M. 



VIOLA, Tourn. 



V. rostrata, Pur.^h. Stems numerous, ascending (3'- H' long) ; leaves 

 cordate, scrruliite ; stipules large, fringed ; spur straiglit, slender, longer than 

 the pale-purple beardless petals ; stigma beakless. — Mountains of Georgia 

 and Alabama, and northward. 



