6. CRTJCIFEBJi;. 23 



Tr. VII. THLASPIDEM. Cotyledons straight. 



* Cotyledons accumbent or rarely incumbent. 



23. Thlaspi. Poiicli roundish, notched ; valves hoatshaped, 

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

 equal. Filaments simple. 



24. HtfTCHiNSiA. Pouch elliptic, entire ; valves hoatshaped, 

 keeled not winged at the back. Seeds 2 in each cell. Pet. 

 equal. Filaments simple. Cotyledons rarely incumbent. 



25. Teesdalia. Pouch roundish, notched; valves boat- 

 shaped, their back keeled below narrowly tmnged above. 

 Seeds 2 in each cell. Pet. equal or 2 outer ones larger. 

 Filaments with a little scale at the base of each -within. 



26. Ibeeis. Pouch ovate or roimdish, notched ; valves boat- 

 shaped, winged at the back. Seeds 1 in each cell. Pet. 

 unequal, 2 outer ones much larger. Filaments simple. 



** Cotyledons usually incumbent. 



27. Lepidium. Pouch roundish or oblong, entire or notched ; 

 valves compressed, keeled or winged at the back. Seeds 1 

 in each cell. Pet. equal. Cotyledons rarely accumbent. 



28. Capsella. Pouch triangular-obcordate ; valves com- 

 pressed, keeled hut not winged. Seeds many. 



Tr. Vin. SUBULAPIEJE. Pouch with a rather broad dis- 

 sepiment. Cells many-seeded. Cotyledons incumbent, 

 long, Unear, curved back above their base. 



29. Subulaeia. Pouch oval-oblong, laterally subcompressed ; 

 valves boatshaped. 



Tt.JX.. SENEBIERE^. Valves not separating. Cells one- 

 seeded. Cotyledons incumbent, long, linear, curved back 

 above their base. 



30. Senebibba. Pouch broader than long, somewhat kidney- 

 shaped, entire at the end, or notched above and below and 

 almost 2-lobed. 



Suborder IV. NUCUMENTACE^. 



Pouch (silicle) scarcely dehiscent, often 1-ceUed owing to the 

 absence of the septum. 



