§ VII. CRUCIFER2. 
lspecies: B. precox, R. Br., a roadside weed, introduced from Europe. 
Stem branching ; lobes lyrate-pinnatifid ; flower small, bright yellow. 
4. ARABIS, Linn. 
Sepals erect or spreading, equal, or the lateral saccate at 
base. Pod linear, compressed, with flat valves. Seeds in a 
single or double row.— Fl. Cap. i. p. 22. Also Turritis, L. ; 
Fl. Cap. 1. e. 
2 South African species, found on high mountains of the Eastern district. 
Flowers white. 
5. CARDAMINE, Linn. 
Sepals erect or spreading, equal at base. Pod linear or sub- 
lanceolate, mostly acute at each end; valves flat, nerveless, 
opening with elasticity. Seeds ovate, not margined, 1-seriate. 
— Fl. Cap. i. p. 28. 
1 South African species: C. Africana, found in damp woods throughout 
the colony. Lobes on long petioles, 3-partite; the leaflets petiolate, ovate- 
acuminate, toothed. Flowers small, white. 
6. ALYSSUM, Linn. 
Sepals erect, equal at base. Petals entire. Stamens 
toothed or entire. Pod orbicular or elliptical, the valves fiat 
or convex in the centre. Seeds 1-4 in each cell, compressed, 
sometimes margined ; cotyledons accumbent.— FV. Cap. i. 
p. 23. © 
Small annuals or perennials, covered with whitish stellate pubescence. 
Leaves entire. Flowers white or yellow.—2 South African species. 
7. SISYMBRIUM, All. 
Sepals spreading, equal at base. Filament toothless. Pod 
subterete, sessile; valves convex, usually 3-nerved. Seeds 
several, ovate or oblong; cotyledons incumbent or oblique.— 
Fil. Cap. i. p. 24. 
Roadside weeds or weed-like plants, glabrous or hispid. Leaves either 
simple, pinnatisect or decompound. Flowers mostly yellow, rarely white. 
—8 reputed South African species. 
8. SENEBIERA, DC. 
Sepals spreading. Petals very small. Stamens 2-4-6. 
Pod 2-parted, subcompressed, indebiscent; valves subglo- 
bose, ridged or crested. Seeds solitary — Fi. Cap. i. p. 27. 
Littoral or roadside weeds, widely dispersed over the globe, decumbent or 
prostrate. Leaves entire or mostly pinnatifid. Flowers very minute, in 
short racemes opposite the leaves. Smell very pungent.—4 South African 
species. 
