22 



TI. CRUCIFIiR^. 



I 



B. Pouch with a dissepiment and 2 valves. 

 Style jlaty winged. Dissepiment of pouch oval 



81. Vella. Style twice as long as the turgid pouch. Cot. o», 



) 

 t 



*« 



Style nearly terete. 



f Pouch laterally compressed; dissepiment narrow, oblong, or linear: valves 



keeled or winged, 



23. CapsellA. Pouch obcordato-cuneate ; valves keeled wingless ; cells 



many-seeded. Cot. o||. 



13. Thlaspi. Pouch emarginate; valves winged; cells 2— 8-seeded. 



Filaments simple. Cot. o=. 



14. HuTCHiNsiA. Pouch entire; cells 2-seeded. Filaments simple. 



Cot. o=. 



15. Teesdalia. Pouch emarginate; cells 2-seeded. ^ Filaments with a 



scale. Cot. o^. 



16. Iberis. Cells of pouch 1-seeded. Petals unequal. Cot. 0=. 



25. Lepidium. Cells of pouch 1-seeded. Petals equal. Cot. o]], or 



sometimes o=. 



ft Pouch dorsally compressed or globose; dissepiment oval, in the broadest 



diameter, 



10. CocHLEARiA. Pouch turgid ; valves 1-nerved. Style permanent. 



Seeds many in each cell. Cot. 0^=. Petals white. 

 9. Armoracia. Pouch turgid; valves nerveless. Style permanent. 

 Seeds many in each cell. Cot. o=. Petals white or yellow. 



24. SuBULARiA. Pouch turgid. Style deciduous. Seeds many in each 



cell. Cot. o|l. Petals white. 



12. Draba. Pouch compressed or valves slightly convex. Seeds many 



in each cell. Cot. o=. 



22. Camelina. Pouch inflated; valves 1-nerved. Style permanent. 



Seeds many in each cell. Cot. o||. Petals yellow. 



11. KoNiGA. Pouch compressed ; cells l-ovuled, 1-seeded. Filaments 



simple. Hypogynous glands 8. Cot. o=. Petals white. 

 11*. Alyssum. Pouch compressed; cells 2-ovuled, usually 2-seeded; 



valves convex in the middle, flat at the edges. Seeds not mar- 

 gined. Filaments (the two shorter ones or all) with a tooth, 

 rarely simple. Hypogynous glands (or subulate processes, when 

 all the filaments are simple) 4. Petals emarginate (yellow). 

 Cot. o=. 



11^. Berteroa. Pouch compressed ; cells about 6 -seeded. Two shorter 



filaments with a tooth. Hypogynous glands 4. Petals (white) 

 tripartite. Cot. 0==. 



L 



F 



II. SiLiQUOS^. Fruit usually much longer than broad, rarely only 



twice as long. 



C. Pods 2-valved, with a dissepiment, 



• Style sometimes very short, sometimes elongated, hut not forming a stout 



conical beak. Cot, 0= or o 



^ Calyx equal at the base, or very slightly higibbous, 



6. Dentaria. Pods flat, linear; valves nerveless, usually separating 



elastically. Style filiform. Seed-stalks broad. Cot. o=. 



7. Cardaimine. Pods flat, linear; valves nerveless, usually separating 



elastically. Style short or none. Seed-stalks slender. Cot. 0—. 



