228 



XIV. CRUCIFERyE. 



TRIBE IT. PL A TYLO BEJE. 



(PLEURORHIZE.E ET NOTORHIZE.E, 

 Cotyledons plane. Radicle lateral or dorsal. 



PRINCIPAL GENERA. 



TRIBE III. SPIROLOBErfJ, D.C. 

 Cotyledons linear, coiled transversely upon themselves. Radicle dorsal. 



PRINCI PA L G EXEK.A . 

 * liunia?. Schizopetalum. 



TRIBE IV. DIPLECOLOBEsE, D.C. 

 Cotyledons linear, folded twice transversely upon themselves. Radicle dorsal. 



Coronopus. 



PRINCIPAL GENERA. 



Subularia. *IIeliophiln. 



CLASSIFICATION OF CRUCIFER^. 

 BY BENTHAM AJ>TD HOOKER FIL. 



Series A. Siliqua long or short, dehiscent throughout its length. Valves con- 

 tinuous within, rarely septiferons, plane or concave, not compressed, in a perpendicular 

 direction to the plane of the septum. Septum the same breadth as the valves. 



TRIBE I. ARABIDE^E. Siliqua narrow, long, seeds often 1-seriate. Cotyledons 

 accuinbent. Matthiola, Cheiranthus, Atelanthera, Nasturtium, fiarbarea, Ardbis, Car- 

 damine, Lonchopliora, Anastatica, &c. 



TRIBE II. ALYSSINE^E. Siliqua often short, large, seeds 2-seriate. Cotyledons 

 accumbent. Lunaria, Farsetia, Aubrietia, Vesicaria, Alyssum, Draba, Erophila, Coch- 

 learia, &c. 



TRIBE III. SISYMBRIE^;. Siliqua narrow, long, seeds often 1-seriatc. Cotyle- 



