6. CRTTCIPER*. 23 



18. SiNAPis. Cal. spreading (in the flower). Pod terete or 

 angular. Seeds in a single row. 



14. DiPLOTAxis. Oal. patent. Pod compressed. Seeds oval 

 or oblong, in 2 rows. 



Suborder H. LATISEPT^. 



Pouch, (silicle) short, not dividing transversely, opening with 

 two valves ; dissepiment in its broadest diameter. 



Tr. rV. ALYSSINE^. Cotyledons acoumbent. 



15. Alysstjm. Pouch roundish or oval, compressed. Seeds 

 2 — 4 in each cell. Filaments simple or toothed or the 

 shorter ones with a gland or subulate process on each side 

 at the base. 



16. Dbaba. Pouch oval or oblong, slightly convex. Seeds 

 many in each cell, in 2 rows, not margined. Filaments 

 simple. 



17. CocHXBAEiA. Pouch globose ; valves very convex, dorsal 

 vein prominent. Seeds many. Filaments simple. 



18. Abmoeacia. Pouch oblong; or globose; ■wofoes very con- 

 vex, no vein. Seeds many. \ ilaments simple. 



[Tr. V. CAMELINEM. Cotyledons incumbent. 



19. Camblina. Pouch subovate ; valves ventricose, vnth a 

 linear prolongation at the end which is confluent with the 

 persistent style.] 



[Tr. VI. VELLEyE. Cotyledons conduplicate. 



20. Vblla. Pouch ovate, with a dUated winged flat style 

 longer than the convex valves.] 



Suborder IH. ANGUSTISEPT^. 



Pouch (silicle) short, laterally compressed, opening with 2 

 boatshaped valves keeled or winged on the back ; dissepiment 

 narrow, linear or lanceolate. 



Tr. VII. THLASPIDEM. Cotyledons straight. 



* Cotyledons accumbent or rarely incumbent. 



21. Thlaspi. Pouchroundish, notched; valves boatshaped, 

 winged at the back. Seeds more than 2 in each cell. Pet, 

 ec[ual, filaments simple. 



