66 CRUCIFER^. Cakilb. 



1. Cakile maritima, Scop. Sea Rocket. 



Upper joint of the silicle ensiform. — DC. prodr. 1. p. 185 ; Lam. ill. t. 554. Bunias 

 Cakile, Linn. 



var. Americana: upper joint of the sihcle ovate-ensiform. — Torr. ^ Gi-. fl. N. Am. 1. 

 p. 119. C. Americana, Nutt. gen. 2. p. 62 ; DC. I. c. C. edentula, Hook. fl. Bor.-Am. 1. 

 p. 59. C. maritima, Pursh,fl, 2. p. 434 ; Ell. sk. 2. p. 137. Bunias edentula, Bigel.fi. Bost. 

 p. 251. 



Stem much branched, procumbent, a foot or more in length. Leaves 1-2 inches long, 

 obovate, attenuate at the base, more or less toothed and lobed. Flowers corymbed, pale 

 purple. Silicle about three-fourths of an inch long, at length somewhat woody ; lower joint 

 short, clavate-obovate ; the upper one with a prominent line on each side, minutely 2-3- 

 toothed at the base. Seeds almost always accumbent. — See Torr. in ami. lye. N. York. 4. 

 p. 91. 



Sandy seashore of Long-Island, and shore of Lake Erie at Portland harbor {Dr. Kneiskern). 

 July - August. 



Tribe IX. RAPHANE^. DC. 



Silique or silicle indehiscent, tranversely separating into one- {or few-) seeded joints. Seeds 

 globose. Cotyledons conduplicate, as in Brassicaceae. 



16. RAPHANUS. Linn.; DC. syst. 2. p. 662. RADISH. 



[Named from the Greek, ra, quickly, and phainomai, to appear ; from its speedy germination.] 



Silique transversely many-celled. Seeds in a single series. — Leaves lyrate. Flowers yellow, 

 white or purple. 



1. Raphanus Raphanistrum, Linn. Wild Radish. 



Silique terete ( joints one-seeded), moniliform and one-celled when mature, longer than the 

 style ; leaves simply lyrate. — DC. j^rodr. 1. p. 229; Bigel.fi. Bost. p. 252; Torr. <^ Gr. 

 fl. N. Am. 1. f. 120. 



Annual. Stem 1-2 feet high, branching, rough with scattered minute prickles. Leaves 

 roughly pubescent ; the terminal lobe large, ovate or obovate. Flowers at first yellow, turning 

 white or sometimes pale purple as they grow old, about as large as in the common Radish. 

 Pods 1^ to 2 inches or more in length; when mature, much constricted between the joints : 

 style forming from one-third to one-half the length of the pod. 



In fields and waste places on Long Island, about Gowannus Bay. July - September. A 

 weed, introduced from Europe. 



