MACLOSKIE I CRUCIFER^E. 433 



clasping ; uppermost are entire lanceolate blades. Flowers yellow, 8 mm. 

 broad, the pedicels slender, appressed. Silique 4-sided, narrow-linear, 

 12 by i mm. Raceme narrow. Seeds dark. 

 (Eurasia, nat. in N. and S. Amer.) N. Patagon. 



9. RAPHANUS Linn. 



Erect, branching herbs with lyrate leaves and showy flowers. Style 

 slender. Silique linear or oblong, tapering apically, indehiscent, con- 

 stricted or continuous, spongy between the seeds. Seed subglobular. 



Species 6, natives of Eurasia. 



i. R. RAPHANISTRUM Linn. Wild Radish. 



Stem 30-45 cm. high. Leaves petiolate, rough. Flowers pale yellow 

 to white or lilac. Silique long-pointed and longitudinally grooved, 4-10- 

 seeded. 



(Eur.); N. Patagon., by Rio Negro. 



2. R. SATIVUS Linn. 



AcJtenes fleshy, not longitudinally grooved, 2,-^-seeded. Flowers pink 

 or white. Root deep, fleshy. 



(Asia) ; Magellan. 



10. CRAMBE Linn. 



Branching herbs or shrubs from thick caudex, usually with large pin- 

 natisect /eaves, and long or compound racemes of white flowers. Sepals 

 subequal. The longer stamens often toothed outside. Silique erect- 

 patent, 2-jointed, indehiscent, the lower joint like a pedicel. Seeds 

 globose. Cotyledons conduplicate. 



Species 16, Eurasia and Atlantic Is. 



C. FILIFORMIS Jacq. 



Stem solitary, slender, rather hispid below. Leaves pinnate-lyrate, 

 pilose, the terminal lobe ovate. Filaments long, scarcely toothed. Silicles 

 blunt, slender, 2-jointed, terete, the lower joint the longer. 



(Chili); Magellan. 



ii. RORIPA Scop. 1760. (Nasturtium R. Br. 1812.) 

 Branching herbs, with simple or pinnate leaves, and yellow or white 

 flowers. Sepals spreading. Stamens 1-6. Siliques short or long, their 



