46 



CRUCIFER^ 



2."^ E. perfolidtum (Hare's-ear Treacle-mustard), with glaucous 

 oval leaves and cream-coloured y?6'Z£/^/'i-, occurs as an escape. — Fl. 

 May — July. Annual. 



12. Brassica (Cabbage). — Herbs, with long racemes 'of con- 

 spicuous flowe7-Sy with sepals 

 erect, and long, nearly cylin- 

 dric pod^ and seeds in one row. 

 (Name, the Latin name for 

 cabbage.) 



1. B. olerdcea (Wild Cab- 

 bage). — Rhizome stout, 

 branched ; branches usually 

 decumbent, tortuous, fleshy ; 

 leaves glabrous, glaucous, ob- 

 tuse, often a foot across ; 

 racemes elongated ; flowers i 

 in. across, pale yellow ; pods 

 2 — 3 in. long, beak subulate. 

 — Sea-cliffs in the south and 

 west. —Fl. May — August. Bi- 

 ennial. The original of all the 

 varieties of garden cabbage, 

 including broccoli, cauliflower, 

 kohl-rabi, &c. 



2. B. ca?Jipestris (Navew). — 

 A group-name for a series of 

 weeds occurring in cultivated 

 ground, probably not wild, ac- 

 cording to Sir Joseph Hooker, 

 " in this or any other country." 

 — Radical leaves lyrately-pin- 

 nate, dentate ; cauli?ie leaves 

 ovate-lanceolate, acute, auri- 

 cled, amplexicaul ; racemes 

 corymbose. — Fl. June — Sep- 

 tember. This group includes 



brAssica camp^stris {Comvwn Wild Navezv). j^ jy^.^^^^ ^^^^^ ^^ Colc-SCcd), 



with a fusiform roof, and all its leaves glabrous and glaucous, and 

 yellow flowers, which is cultivated for the sake of the Colza and 

 Carcel oil pressed from its seeds, the refuse being used, under the 

 name of oil-cake, for feeding cattle ; B. Rutabaga (Swede), with a 

 turnip-shaped root and all its leaves glaucous, the radical ones 

 hispid and the cauline ones glabrous, and buff flowers, the roots 



