6. CRUCIFERA. 17 
Tr. II. SISYMBRIEA. Cotyledons incumbent contrary to the 
dissepiment, radicle dorsal, seed compressed. 
9. Hespreris. Pod quadrangular or subcompressed; valves 
keeled, somewhat 3-nerved. Stigma of 2 closely converging 
erect elliptical obtuse lobes. Seeds in a single row. 
10. Sisymprium. Pod terete, or rarely tetragonal; valves 
convex, with 3 longitudinal nerves. Stigma entire. Seeds 
im a single row, smooth, seed-stalk filiform.—S. thalianum 
has a tetragonal pod and valves with 1 strong conspicuous 
nerve. 
11. ALLiaRra. Pod terete; valves convex, with 3 longitu- 
dinal nerves, the middle one prominent and strong, the 2 
lateral slender and branching. Stigma entire. Seeds in a 
single row, striated ; seed-stalk flattened, winged. 
12. Erystmum. Pod tetragonal; valves prominently keeled, 
with \ longitudinal nerve. Stigma obtuse, entire or slightly 
emarginate. Seeds in a single row; seed-stalk filiform. 
Tr. II. BRASSICEA. Cotyledons conduplicate longitudi- 
nally folded in the middle; radicle dorsal, within the fold. 
13. Brassica. Cal. erect. Pod terete or angular. Seeds glo- 
bose, in a single row. 
14. Stnapis. Cal. patent. Pod terete or angular. Seeds in 
a single row. 
15. DipLoraxis. Cal. patent. Pod compressed. Seeds 
oval or oblong, in 2 rows. 
Suborder II. LATISEPT.E. 
Pouch (silicle) short, opening with two valves: dissepiment in 
its broadest diameter. 
Tr. IV. ALYSSINEA. Cotyledons accumbent. 
16. Auyssum. Pouch roundish or oval, compressed. Seeds 
2—4 in each cell. Filaments toothed or the shorter ones 
with a gland or subulate process on each side at the base. 
17. Konica. Pouch oval, compressed. Seeds 1—2 in each 
cell. Filaments simple. Hypogynous glands 8. Carpo- 
phorum 0. 
18. Drasa. Pouch oval or oblong, slightly convex. Seeds 
many in each cell, not margined, in two rows. Filaments 
simple. 
19. CocuLEaRiaA. Pouch globose; valves very convex, dorsal 
nerve prominent. Seeds numerous. Filaments simple. 
