diplerygium.} nil. crucifer^e (oliver). 73 



straight, rigid, divaricate branches, terminating in narrow, small and rather 

 distant-flowered, bracteolate racemes. Leaves very small, oblong or ovate, 

 entire, on very short petioles. 



t D. glaucum, Decaisne in Ann. 8c. Nat. Ser. 2. iv. 67. Glabrous or 

 granular-scabrid. Leaves 2-10 lines long, glabrous or rough with glands. — 

 Meroloma arabicum, Hochst. et Steud. 



n le ^* and " ' Nubia > Kotschy ! Bromfield! Schweinfurth ! 



ine only species of the genus, occurring also in Arabia and N.W. Iudia. 



22. 



RAPHANTJS, Linn. ; Benth. et Hook. f. Gen. PI. i. 101. 



sepals erect ; the lateral ones saccate at the base. Petals veiny. Siliqua 

 5"* °. r elongate, terete,' continuous or constricted, continuous within or 

 "lied with cellular or corky tissue, in which the seeds are singly immersed ; 

 • e lender ; stigma emarginate or scarcely divided. Seeds globose or more 

 * less compressed ; radicle incumbent, cotyledons conduplicate.— Annual or 

 lennial, branched, hispid or glabrous herbs. Radical leaves lyrate. Flowers 

 tolerably large, white or buff, veined with purple. 



■Aff^ S enus of Europe and temperate Asia, of which the following species (the Radish) 

 idely cultivated, and often occurs as a stray weed in waste places. 



*!■ R. sativus, DC. Syst. Veg. ii. 663. Flowers variable in colour, 

 ■wte yellow or lilac. Siliqua 1-2 in. long, 4-5 lines in diam., continuous, 

 wrninating in a tapering beak. Seeds immersed in light, cavernous, cellular 



*«le Land. Abyssinia, cultivated {Richard). 



Oeder IX. CAPPARIDACE^) (by Professor Oliver). 



Flowers regular or the sepals or petals sometimes unequal, rarely polyga- 

 onen ■ pals 4 ' rarel v 3 or 5, free or connate below, valvate, imbricate or 

 f ln estivation. Petals 4 or 0, rarely 3 or indefinite, sessile or clawed. 

 men, 3 ]T^ imes with a Unear, oblong or ligulate-tubular appendix. Sta- 

 EJ, , lte or indefinite, inserted upon the torus, which is sometimes 

 filamit mnar ' or the filaments adherent more or less to the gynophore ; 

 2-celI P l ^ qUal or nnequal, usually filiform ; anthers usually oblong or linear, 

 Va " ' d ? 1 hlscin g longitudinally (some of them effete in certain species). 

 Klobos G ° r su PP ort ed upon a gvnophore of various length, usually ovoid, 

 W I ,? r °»long, 1-celled or divided by spurious dissepiments into 2 or 

 eap^iT V 0vules indefinite, sometimes few, parietal. Fruit a sdiquiform 

 °f few ° r baccate > oblong, globose or elongate, cylindrical or torulose, many- 

 a n^lar ^^ 1 - see(,ec l- Seeds usually more or less reniform, or somewhat 

 thj or n Cato fruit8 > with a crustaceous or coriaceous testa ; albumen 



ladiclp ft Era Wo usually curved ; cotyledons plane, folded or convolute ; 

 Slahrnn , c °nical and incumbent,— Herbs shrubs or trees, often scandent, 

 ST2 pubesce nt tomentose glandular or scabrid. Leaves alternate, 

 > fasciculate, simple or 3-7-foliolate, leaflets usually entire; stipules, 



