VII. CRUCIFERA. 
*** Pod with convex, round-backed valves. 
Pod dehiscent when ripe. 
Seeds with flat accumbent cotyledons =): 
Sepals elongate, erect, saccate at base. 1. 
Sepals spreading, equal at base. . 2. 
Seeds with flat incumbent cotyledons (0 II) ‘f 
Seeds with broad cotyledons folded over 
the radicle(0>>). . Mis 
Pod indehiscent ; seeds as in Heliophila 
B. Sinrcutosm. Fruit-pod short, few- or 1-seeded, 
less than thrice as long as broad, 
* Pod dehiscent. 
Pod with flattish valves and a broad es a 
14 
Cotyledons accumbent (O=) . 6. 
Cotyledons elongate, twice folded on the 
radicle (0 | || ll). 
Pod with keeled valves and a narrow septum. 
Seeds 1 in each cell. 
Seeds several in each cell . 
** Pod indehiscent ; seeds solitary. 
Pod deeply 2-lobed or 2-parted. 
Petals minute, shorter than the sepals . 8. 
Petals much longer than the sepals. . 15. 
Pod orbicular or ovate. 
Pod ovate, beaked, with convex, wrinkled 
valves. . . 16. 
Pod orbicular, with flat ‘valves ely 
1. MATTHIOLA, R. Br. 
Sepals erect, the 2 lateral saccate at base. 
A lite 
. 13. 
MATTHIOLA. 
NASTURTIUM. 
SISYMBRIUM. 
BRASSICA. 
CARPONEMA. 
ALYSSUM. 
HELIOPHILA. 
9. LEPIDIUM. 
sels 
CAPSELLA. 
SENEBIERA. 
BRACHYCARPEA. 
CYCLOPTYCHIS. 
PALMSTRUCKIA. 
Pod subterete, 
elongate, with round-backed valves. Stigma thickened, its lobes 
erect, connivent. 
accumbent.—F1. Cap. i. p. 20. 
1 South African species : 
herb, with stellate pubescence ; 
plish.—Northern districts and frontier. 
2. NASTURTIUM, R. Br. 
Sepals spreading, equal at base. 
long or short, with round-backed valves. 
Seeds compressed, 1-seriate ; 
cotyledons 
M. torulosa, a rigid, branching, tomentose 
radicle-leaves subsinuate. 
“Flower pur- 
Pod nearly cylindrical, 
Styles short or 
longish ; stigma 2-lobed. Seeds small, turgid, 2-seriate ; coty- 
ledons accumbent.— Fl. Cap. i. p. 21. 
Water or marsh plants.—2 South African species : 
Watercress), with white flower ; 
the latter an Eastern district plant. 
3. BARBAREA, R. Br. 
Sepals erect, equal at base. 
valves keeled at back, awnless at the apex. 
Seeds not margined, 1-seriate.— FJ. Cap. i. p. 2 
A 
N. officinale (common 
NV. fluviatile, EK. M., with yellow flower ; 
Pod 4-sided, 2-edged, the 
Seen capitate. 
