380 SALAD PLANTS. 



Summer A biennial plant, with a tapering, hard, and 



Rape. Law, 



COLZA. WILD fibrous root. The radical leaves are lyrate 

 NAVEW. BRASSI- 

 CA CAMPESTRIS. an( j rO ughish when young ; those of the 



stem clasping, or heart-shaped, at base, and of an oblong 

 form, all somewhat fleshy, of a dark green color, with a 

 glaucous bloom. The seeds are larger than those of the 

 Ruta-baga, or Swedish Turnip, but in other respects not 

 distinguishable. 



This species is sometimes termed Brassica campestris 

 olifer, or Oil-rape, from its being considered the best sort of 

 rape for cultivating for oil, and to distinguish it from the 

 Campestris Ruta-laga, or Swedish Turnip, which is only a 

 variety of this species. 



It is not sufficiently hardy for cultivation in the Northern 

 States. 



ROCKET. Vil. 



Garden Rocket. Roquette, of the French. Brassica eruca. 



A hardy, annual plant, from the south of Europe. Stem 

 about two feet high ; leaves long, lobed or lyrate, smooth 

 and glossy, succulent and tender ; flowers pale citron-yellow, 

 with blackish-purple veins, very fragrant, having the odor of 

 orange-blossoms ; the seeds are small, roundish, brown, or 

 reddish-brown, and retain their vitality two years. Fifteen 

 thousand are contained in an ounce. 



Sowing and Cultivation. The seeds are sown thinly, in 

 shallow drills a foot asunder. The first sowing may be 

 made as early in spring as the frost will permit ; afterwards, 

 for a succession, a few seeds may be sown at intervals of 

 three or four weeks. In poor soil and dry seasons, the 

 leaves are liable to be tough and acrid ; the seeds should, 

 therefore, be sown in rich loam, and the plants thoroughly 



