CliUCIFERiE. (MUSTARD FAMILY.) 50 



6. AARBIS. 2X (D Herbs, usually pubescent; radical leaves spathulate. Flowers white 



pink, or yellow. Pods linear, flattened, 1-nerved. Seeds sometimes in 2 rows. 



7. CARDAMINE © Glabrous herbs. Flowers white. Pods flattened. Nerves 0. 



9. ANDREOSKIA, © Glabrous herbs. Flowers white. Pods linear, keeled, 2-horned. 



** Desert plants, or plants of Jordan Valley. 

 4. NASTURTIOPSIS. © Green herbs. Flowers yellow. Pods short, cylindrical, turgid. 



8. MORETTIA, If Prostrate, stellate-tomentose herbs. Flowers whitish pink. Pods 



oblong, terete. 



10. NOTOCERAS. © Dwarf, appressed-canescent herbs. Flowers minute, white. Pods 



oblong, keeled, 2-horned 



11. ANASTATICA, © Dwarf stellate-canescent herbs. Flowers minute, white. Pods 



ovate-spherical, a<uricled. 



Tribe II. SISYMBRIE^. Pods linear. Seeds thickish, mostly oblong, usually 

 in 1 row. Cotyledons incumbent, or obliquely accumbent. 

 * Stigma bilamellate. 



12. HESPERIS. If Flowers pinkish-purple, or livid. Robust herbs. 



13. MALCOLMIA. © Flowers white, pink, or yellow. Delicate herbs. 



14. EREMOBIUM, © Flowers pink. Confined to sands of coast, and deserts. 



* * Stis-ma sessile, or with 2 short lobes. 

 f JVeither canescent, nor clothed with branching, oppressed hairs. 



15. SISYMBRIUM. © @ Leaves pinnatifid or parted. Flowers yellow, purple, or white. 



16. ALLIARIA. (2) Leaves ovate-cordate, or reniform. Flowers white. 



17. CONRINGIA. © Leaves oblong, or elliptical, clasping. Flowers yellow. 



t I Canescent with appressed, branching hairs. 



18. ERYSIMUM. If (D © Flowers yellow, or purple. 



Trlbe III. BRASSICE-SE. Pods linear, or oblong (except Savignya 24, and 

 Carrichtera 25). Cotyledons conduplicate. 



* Pods linear, or oblong, 

 t Seeds in one row, wingless. Flowers white , or yellow. 



19. BRASSICA. © Valves 1-nerved, 



20. SINAPIS. © Valves 3-nerved. 



t t Seeds in two rows, loingless. Flowers yellow, or pinkish-purple. 



21. DIPLOTAXIS. © Valves 1-nerved. Flowers yellow, 



22. MORICANDIA, If © Valves 1-nerved. Flowers pinkish-purple, 



* * Pods oblong, elliptical, or nearly spherical, beaked. 



23. ERUCA. © Pods oblong ; beak ensiform. Flowers pinkish-purple, or yellow. 



24. SAVIGNYA. © Pods elliptical, chartaceous ; beak aristate. Flowers pink. 



25. CARRICHTERA. '© Pods nearly spherical ; beak chartaceous. Flowers yellowish- 



white. 



Suborder II. SIljICUI^OSiE, Pods silicles (occasionally oblong, or linear), dehis- 

 cent for their whole length, or nearly to their apex, (or nearly indehiscent,Coluteocarpus 30). 



Series A, Valves flattened parallel to septum, or not flattened. 



Tribe IV, AJLYSSINE^. Pods ovate, elliptical, lenticular, orbiculate, or oblong. 

 Seeds in 1-2 rows, or sometimes 1 in each cell. Cotyledons accumbent. 



* Pods 0,01 m.to 0,05 long, elliptical, oblong, or linear, sometimes sinuate 



26. RICOTIA,© Pods elliptical, chartaceous, flattened ; seeds 2-8, wingless. Flowers pink. 



27. FARSETIA. If Pods elliptical, or linear ; seeds QO, winged. Flowers purplish. 



