CL. XV.] TETRADYNAMIA SILIQUOSA. 277 



25.'BRA'SSICA. CABBAGE. 



Calyx of four oblong, concave leaves, protuberant and close 

 below, spreading above. Petals inversely egg-shaped, spreading, 

 with erect, channelled claws. Filaments awl-shaped, erect ; a 

 gland at the inside of each of the outer, and one at the outside of 

 each of the longer pairs; anthers oblong. Germen cylindrical, 

 as long as the stamens. Style tapering ; stigma knobbed. Pod 

 nearly cylindrical, beaked, with the style two-celled, with a cell 

 in the beak ; valves concave ; partitions membranous. Seeds 

 nearly globular, arranged in a single row ; the cell of the beak 

 also sometimes containing one or more seeds. Name, Celtic, 

 bresic, a cabbage. 338. 



1. B. Ndpus. Rape. Cole-seed. Root spindle-shaped; leaves smooth, 

 upper ones lance-shaped, heart-shaped at the base and clasping; the 



lower ones lyre-shaped, toothed. Stem erect, striated, branched, two 



feet high: leaves glaucous: flowers bright-yellow. This species is cul- 

 tivated for its seeds, which afford a large quantity of expressed oil. The 

 refuse is employed as manure. Biennial : flowers in May : grows in 

 corn-fields and waste ground, but is t not indigenous : common. Eng. 

 Bot. vol. xxx. pi. 2146. Eng. Fl. vol. iii. p. 217. 985. 



2. B. Rdpa. Common Turnip. Root fleshy, globular, depressed ; 

 root-leaves lyrate, rough ; stem-leaves nearly entire, smooth. Flowers 

 pale-yellow. Biennial : flowers in May : grows by the edges of fields : 

 common, but not truly wild. Eng. Bot. vol. xxxi. pi. 2176. Eng. Fl. 

 vol. iii. p. 217. 986. 



3. B. campestris. Common Wild Navew. Root tapering, slender ; 

 leaves glaucous, heart-shaped, taper-pointed, embracing the stem ; the 



lower ones lyrate, toothed. Stem erect, slender, two feet high : 



flowers large, pale-yellow. Annual: flowers in June and July: grows 

 in corn-fields : common. Eng. Bot. vol. xxxii. pi. 2234. Eng. Fl. vol. iii. 

 p. 218. 987. 



4. B. olerdcea. Sea-Kale, or Cabbage. Root stem-like, cylindrical, 



fleshy ; leaves glaucous, waved, lobed, smooth. From one to two 



feet high : flowers pale-yellow, large. Biennial : flowers in May and 

 June : grows on maritime cliffs : not common. From this species are 

 derived all our numerous varieties of Cabbage. Eng. Bot. vol. is. pi. 637. 

 Eng. Fl. vol. iii. p. 219. 988. 



5. B. Monensis. Isle of Man Cabbage. Leaves glaucous, nearly smooth, 

 deeply pinnatifid, with oblong, unequally toothed lobes ; pods four- 

 cornered ; beak lodging two or three seeds. Root tapering, woody : 



stem simple, smooth, about a foot high: flowers pale-yellow, veined with 

 purple, large. Perennial : flowers in June and July : grows on the sandy 

 sea-coast, in the Isle of Man ; Anglesea ; near Liverpool ; in Bute and 

 Arran, &c. Eng. Bot. vol. xiv. pi. 962 : Sisymbrium Monense. Eng. 

 FL vol. iii. p. 220. f 989. 



26. SINA'PIS. MUSTARD. 



Calyx of four oblong, straight, spreading, deciduous leaves. 

 Petals inversely egg-shaped, rounded, entire, spreading; with 

 linear, erect claws. Filaments awl-shaped, erect ; a gland at the 

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