Crambe.] CRUClFERjE. 29 



Leaves thick, somewhat fleshy, the uppermost undivided, but toothed. 

 Flowers large, yellow. The origin of our garden cabbage. 



20. SINAPIS. Linn. Mustard. 



Pod 2-valved, sometimes of two joints, (of which the upper one 

 is without valves.) Cotyledons conduplicate (O > > ). Cat. 

 patent. Br. (Sinapis and Diplotaxis, De Cand.) Name from 

 the Greeek ffivcnri, which again Theis derives from Celtic 

 Nap, a turnep or cabbage. Tetradynamia. Siliquosa. 



1. S. arvensis, Linn. Wild-Mustard, Charlock. Pods with 

 many angles, turgid and knotty, longer than the two-edged beak. 

 Br. Fl. 1. p. 309. E. Fl. v. iii. p. 221. E. Bot. t. 1748. 



Corn fields, too frequent. Fl. May, June. Q. One to six feet high, 

 rough. Flowers rather large, yellow. 



2. S. alba, Linn. White Mustard. Pods hispid, turgid, 

 shorter than the ensiform beak ; leaves pinnatifid. Br. Fl. i.p. 

 309. E. Fl. v. iii. p. 2^2. E. Bot. t. 1677. 



Waste places, frequent. Plentiful at Portmarnock and many other 

 places about Dublin. Fl. July. Q.Stem one foot to one and a half 

 foot high, hairy. Lobes of the leaves variously cut and toothed, or 

 erose. Flowers large, yellow. Well distinguished by its long beak. 

 This plant, while in a young state, is eaten under the name of mustard 

 as an ingredient in salads. 



3. S. nigra, Linn. Common Mustard. Pods appressed, gla- 

 brous, tetragonous ; style short, subulate ; upper leaves linear- 

 lanceolate, entire, glabrous. Br. FL 1. p. 309. E. FL v. iii. 

 222. E. Bot. t. 969. 



Under hedges and in waste places, equally common as the last. Fl. 

 June. 0. Three to four feet high. Lower leaves large, lyrate, rough. 

 Flowers yellow. Pod with a very short beak, or rather only the per- 

 sistent style and stigma at its summit, quadrangular, its surface scarcely 

 rugged. The seeds yield the mustard of our tables. 



Tribe X. Raphanece. De Cand. 



Silicula or siliqua separating transversely into one or few seeded 

 points or cells. Seeds globose. Cotyledons folded together. 



21. CRAMBE. Linn. Kale. 



Pouch with the upper joint globose, indehiscent, deciduous, bear- 

 ing one seed, inverted, upon a stalk arising from the bottom 

 of the cell; lower joint abortive, resembling a pedicel. Co- 

 tyledons conduplicate (O > > ) Wilson. Name, Kpaftfios, of 

 the Greeks. Tetradynamia. Siliculosa. 



1. C. maritima, Linn. Sea-Kale. Longer filaments forked ; 

 pouch pointless ; leaves roundish, sinuated, waved, toothed, 



