Diplotaxis.] vii r. crucifeh^e (oliveu). 07 



A genus of about 20 species, chietlv natives of Western Asia, Europe, and Northern 

 Africa. 



1. D. erucoides, DC. Syst. Fee/, ii. 631. An erect, more or less 

 branched herb of 1-2 ft. or more, glabrous or thinly hispidulous below. 

 Lower leaves lyrate-pinnatifid or obovate-elliptical, toothed, and sessile or 

 sometimes narrowed into a slender petiole ; upper pinnatifid or nearly entire 

 and toothed, usually sessile and more or less amplexicaul. Racemes erect, 

 ebracteate. Flowers white or purplish, on rather slender pedicels. Siliquas 

 I in. long or more, ascending, exceeding the pedicel; stigma (in fruit) 

 broadly emarginate. 



«ile Land. Abyssinia, various localities (Richard). 

 A species of Western Asia and the Mediterranean region. 



11. ERUCA, Tourn.; Benth. et Hook. f. Gen. PI. i. 84. 



Sepals erect, nearly equal at the base. Siliquas oblong-linear, turgid, sub- 

 terete, with a compressed, seedless, sword-like beak ; valves convex with a 

 distinct median nerve; septum membranous; stigma obtuse, undivided. 

 Seeds numerous, biseriate or sub-biseriate, with free funicles ; embryo witli 

 conduplicate cotyledons.— Erect branched annuals or biennials. Leaves 

 'Fate or pinnatifid. Racemes ebracteate. 



A small genus of Southern Europe, the Mediterranean, and Western Asia. 



!• E. sativa, Lam. ; DC. Syst. Veg. ii. 637. An erect, branched, gla- 

 ous > or more or less hispid herb of 2 ft. or more. Leaves lyrate-pinnatifid, 

 ? r obov ate to oblanceolate more or less pinnately toothed or sinuate ; upper 

 •eaves petiolate, usually toothed. Flowers tolerablv large, white or yellow. 

 °uiquas erect, on short pedicels; valves about 1 in. long or less, exceeding 

 r filing the beak.— Bramca Eruca, Linn. Sp. PI. 932. 

 et ? U , e £ and - Red Sl>a > Dr. Nimmo ! Nile, near Assouan, Bromfield ! Nubia (Schweinf. 



The follo W i ng genera allied to Bramca, Diplotaxis, and Eruca, probably occur in the 

 ae «;rt south of the tropic of Cancer :- 

 tate ! T Ja ' DC - A, ' nual * «ith entire or pinnatifid leaves, rose or violet flowers and st ipl - 



V W? lpn ; S9ed ' elli Ptical or orbicular silicules. . , . .... , M 



*ther" ' D °- Shrubb y £ laUTOUS herbs with euti, ' e am P lexlcaul ° f l mmatlhd kaVCS ' 



B,„T¥ e f0se or P ur P le flowers and narrow linear siliquas. 

 >hrubl7 Jt °?' ( ' oss - et l) ™- (Oudneya ? Brown in Denh. and Clapp. App. 220). A 

 and tl S° ch - brancl »ed herb with linear nearly entire leaves, purple flowers, narrow sihquas, 



«broadly- w i llgedsseeds . 



lea t f "' Adnus - Er «-t annuals with pinnati- or bipinnatisect leaves, terminal or 

 w «3r vai ve raCemes and short > t,ir K id > few-seeded siliqnas, with dilated leafy beaks as long 



12. SCHOUWIA, DC. ; Benth. et Hook. f. Gen. PI. i. 89. 

 au? al u suber ect, lateral broader. Siliqua elliptical, emarginate or cordate 

 win?'. l e ' much compressed laterally with a narrow septum^ margins 

 Wln ^- Style persistent, elongate, subulate. Seeds indefinite. Cotyledon, 



p 2 



