B 



of British Plants. 607 



». 



Silicula jointed B. 



Silicula not jointed C. 



Filaments simple Cakile. 



Four filaments forked Crambe. 



Silicula one-celled Isatis. 



Silicula two-celled D. 



yy S Silicula val veless, crested or wrinkled Coronopus. 



Silicula two-valved E. 



Silicula entire F. 



Silicula notched at its apex N. 



Cells one or two seeded G. 



Cells three, four, or many seeded H. 



Cells one-seeded, silicula nearly round Glyce. 



Cells two-seeded, silicula elliptical..... Hutchinsia. 



Cells three or four seeded, style leaf-like Carrichtera. 



Cells many-seeded I. 



Silicula nearly flat K. 



Silicula ventricose L. 



Petals entire. Draba. 



Petals bifid Erophila. 



Flowers yellow Camelina. 



Flowers white M. 



Silicula turgid, style very short Cochlearia. 



Silicula compressed, style absent Subularia. 



Seeds numerous O. 



Seeds one or two in each cell P. 



Silicula winged Thlaspi. 



Silicula wingless Capsella. 



Two petals larger than the remaining ones Iberis. 



Petals all equal Q. 



Filaments with a scale on their inner sides Teesdalia. 



Filaments not scale-bearing, cells 1 -seeded Lepidium. 



SCROPHULARIACEJE. 



E. 

 F. 

 G. 

 H. 

 I. 

 K. 

 L. 

 M. 

 N. 

 O. 

 P. 

 Q. 



Stamens 5, fertile, corolla rotate Verbascum. 



Stamens 2 Veronica. 



\ Ovary 2-seeded Melampyrum. 



^Ovary many-seeded C. 



r CCalyx 4-fid D. 



(.Calyx 5-fid E. 



-p. C Calyx ventricose, inflated Rhinanthus. 



^Calyx close F. 



E S Upper lip of corolla notched Euphrasia. 



^ Upper lip of corolla entire Bartsia. 



v C Fruit 2-celled, calyx ventricose Pedicularis. 



<_Fruit 2-celled, calyx close G. 



3n3 



