BRASSICACEAE 
ee entire or slightly toothed. 
Leaf-blades cordate-clasping: corolla yellowish. 13. 
Leaf-blades not clasping: corolla purple or white. 14. 
VI. BARBAREAE 
Corolla whit 15. 
Corolla E ee 
S We flat: leaf-blades pinnatifid. 16. 
Seed plump: leaf-blades entire or toothed. 17. 
VII. BRASSICEAE 
Pod dehiscent. 
Pod-beak conic, terete, the Peo dq bd 
Pod terete: seeds in one row pee 18. 
Pod flattened : seeds in two es we 2 ity. 19. 
Pod-beak flat, 2- edged, the pod- iid FoBHVels short. 
Pod- valves 3-nerved ; beak long. 20. 
Pod-valves 1-nerved ; beak short. 2 
Pod indehiscent: spongy between the seeds. 21. 
VIII. ARABIDEAE 
Pod suborbicular or ovoid. 23. 
Pod E. to narrowly linear. 
Val of the pod nerveless. 
Se us wingless. 
Seeds in 2 rows in each cav ud 24. 
Seeds in 1 row in each ca 
-4 leaf dibe bracts subtending 
as with alternate leaves : cotyledons 
Seeds winged. 
ve of the pod nerved. 
eaf-blades Enc or merely too d 5 
Pod oval, elliptic to broadly lin 24. 
Pod narrowly line pd to linsar-filiform. 28. 
Leaf-blades finely dissected. . 29. 
IX. WAREAE 
Slender herbs with entire leaf-blades and elongate pods. 30. 
X. CAK 
Fleshy seaside, dune, or hammock Banc with toothed or 
pinnatifid leaf- blades. 31. 
Leaf-blades entire to 
Corolla greenish or whitish. 
Annual or biennial herbs. 
Sepals 4, spreading. 
1. CARARA Medic. 
pinnatifid. Racemes lateral. 
Petals 4, broad or narrow, without distinct claws, or abortive. 
2 or 4: anthers didymous. Ovule and seed 1 in each carpel. 
jd or tubereulate valves. 
ributed in warm regions. —WART SSES. SWINE E 
Ovary smooth : eapsule reticulate, notched. 
Ovary tuberculate: capsule tuberculate-wrinkled, not notched. 
CONRINGIA. 
HESPERIS. 
ARABIDOPSIS. 
CAMPE. 
CHEIRINIA. 
BRAS 
DIOS m 
SINAPIS. : 
RAPHANUS. 
R 
KONIGA. 
DRABA. 
. DENTARIA. 
CARDAMINE. 
21. LEAVENWORTHIA. 
DRABA. 
ARABIS. 
SOPHIA. 
WAREA. 
CAKILE. 
Stamens often 
d with crested, 
dii iiid. Poir.|—About 6 species, widely dis- 
CRES 
1. C. didyma. 
2. C. Coronopus. 
1. C. ang ba (L.) Britton. Branches ascending or i lower 
3-10 em. long; blades 1—2-pinnatifid: sepals 0.6- 0.8 m 
cen the sepals or shanty bu in pod didy- 
m. wide, hed above and 
piss Eo pinnatifiãa DC.]—Waste 
VA various provinces, Fla. to ier oe 
Mo., and Newf.—Nat. se Eu 1— Spr.- 
2. C. Coronopus (Qa) Medie. yu bs 
id 
rM 
eo 
; : petals much 
sepals: pod not didymous, 3.5-4 mm. wide, 
apieulate.—Waste places, various pr ov inces, 
te p? Tex, and N. B also on Paeif. coast. 
Eu.—Spr.- 
. long: petals cone: 
