24 6. CRUCIFERJ3. 



14. DIPLOTAXIS. Cal. patent. Pod compressed. Seeds oval 

 or oblong, in 2 rows. 



Suborder II. LATISEPT^. 



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

 two valves ; dissepiment in its broadest diameter. 1 



Tr. IV. ALYSSINEJE. Cotyledons accumbent. 



15. ALYSSUM. 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. COCHLEABIA. Pouch globose ; valves very convex, dorsal 

 vein prominent. Seeds many. Filaments simple. 



18. AUMORACIA. Pouch oblong or globose; valves very con- 

 vex, no vein. Seeds many. Filaments simple. 



[Tr. V. CAMELINE^E. Cotyledons incumbent. 



19. CAMELINA. Pouch subovate ; valves ventricose, with a 

 linear prolongation at the end which is confluent with the 

 persistent style.] 



Suborder III. ANGUSTISEPT^E. 



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

 boatshaped valves keeled or winged on the back ; dissepiment 

 narrow, linear or lanceolate. 



Tr. VI. THLASPIDE&. Cotyledons straight. 



* Cotyledons accumbent or rarely incumbent. 



20. THLASPI. Pouch roundish, notched ; valves boatshaped 

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

 equal, filaments simple. 



1 In Cochlearia the valves are sometimes so convex that the pouch i 

 laterally compressed. 



