GL. XV.] TETRADYNAMIA SILIQTJOSA. 277 



25. BRA'SSICA. CABBAGE. 



Calyx of four oblong, concave leaves, protuberant and close 

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

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

 a gland at the inside of each of the outer, and one at the out- 

 side of each of the longer pairs ; anthers oblong. Germens 

 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, stri- 

 ated, branched, two feet high, leaves glaucous : flowers bright- 

 yellow. This species is cultivated for its seeds, which afford a large 

 quantity of expressed oil. The refuse is employed as manure. Bi- 

 ennial : flowers in May : grows in corn-fields and waste ground, 

 but is 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. xxxu 

 pi. 2176. Eng. Fl.vol. iii. p. 217. 986. 



3. B. campestris. Common Wild Naveio. 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, ax 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 

 specie* are derived all our numerous varieties of Cabbage. Eng. 

 Bot. vol. ix. 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 ta- 

 pering, 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 ; An- 

 glesea; near Liverpool; in Bute and Arran, &c. Eng. Bot. vol. 

 xiv. pi. 962 : Sisymbrium Monense. Eng. Fl. vol. iii. p. 220. 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 

 2 A2 



