VIII. CBUCIFERiE (OLIVER). 57 



Silicules oblong to obcordate. Cotyledons various, entire 



or 3-partite. Flowers white 15. Lepidium:. 



Radicle accumbent. 



Seeds usually solitary in each cell 15. Lepidium. 



P v» • ? ee ^ s . 2_4 m eacn ce ^- Silicules obcordate to oblong . 16. Thlaspi. 

 I. Fruit indehiscent, or the valves separating as cocci. 

 Fruit didymous ; valves closed, separating as cocci . . . .17- Senebieba. 

 Fruit globose, articulated to a minute, seedless, pedicel-like article 18. Ceambe. 

 Fruit elongate, of two jointed articles, the lower 1-4-seeded, the 



upper 3-6-seeded 19. Enartheocarpus. 



Shrubby. Leaves oblong, toothed. Flowers ebracteate. Fruit 



a bony 2-seeded nut 20. Zilla. 



Shrubby. Leaves small, ovate or oblong, entire. Flowers brac- 



teate. Fruit 1-seeded, winged 21. DipteriGIUM. 



Radical leaves lyrate. Fruit terete, many-seeded, not articulated 22. *Raphanus. 



1. MATTHIOLA, Br. ; Benth. et Hook. f. Gen. PL i. 67. 



sepals erect ; two lateral inserted slightly lower upon the torus, and con- 

 JW or saccate at the base. Petals spreading, usually with a long claw. 

 ™gma sessile with connivent lobes, sometimes thickened or horned at the 

 bas e. Siliqua long and narrow, terete or compressed, with a thick pitted 

 septum. Seeds numerous, in one row, flattened and usually narrowly winged ; 

 radicle accumbent. — Perennials or annuals, covered with a hoary tomentum 

 0r Pubescence. Leaves entire, sinuate or toothed. Flowers tolerably large, 

 usually purp i ej in terminal racemes. 



wV^p 9 ° f about 30 species, mostly confined to the shores of the Mediterranean and the 

 "* of Eu rope. One species occurs at the Cape. 



1. M. elliptica, Br. ; DC. Syst. Veg. ii. 167. A diffuse or bushy 

 JJJ hard woody and branching below, 1-2 ft. high. Leaves elliptical or 



v ate-lanceolate, rather acute or obtuse, obscurely dentate-sinuate or entire, 

 narrowed into rather long slender petioles, hoary with a short stellate tomen- 

 *»; lamina |-1 1 i„. i ong> 5 _ 9 i ines broad; petiole 4-9 lines. Pedicels 



n °rt, erect, appressed. Outer sepals very slightly convex at the base. Pe- 

 P broadly rotundate-obovate, gradually narrowed into a rather short, 

 tint? claWl Sti gmas converging, forming a triangular unappendaged 



P to the ovary. Siliqua (not seen ripe) nearly terete, hoary, with a raised 

 llne on each side. V 



Not t and - Mountains of Abyssinia, Salt I Schimper ! 

 m known from elsewhere. 



2 - NASTURTIUM, Br. ; Benth. et Hook. f. Gen. PL i. 59. 



row? 318 Short ' loose or rather spreading, equal or nearly so. Petals nar- 

 or 2 1 v° the base ' sometimes wanting. Stamens 6 or fewer. Stigma entire 

 oblo ' subsessile or with a short style. Siliqua usually linear or narrow- 

 a J" 8 ' D i early terete ' with a membranous septum; valves nerveless or with 

 * , erv slender nerve. Seeds usually 2-seriate, with short free fumcles. 

 herh aecumbei »t.— Erect or diffuse, usually branching terrestrial or aquatic 



«s. with pinnatifid or sometimes entire leaves and white or yellow (or 



)' ebracteate or bracteate flowers. 



