228 



XIV. CEUCIFEE^. 



Tribe II. PLATYLOBEM 



(Pleukoehize^ et Notgrhize^, DXj.) 



Cotyledons plane. Radicle lateral or doa'sal. 



PEINCIPAL GENERA. 

 (Siliq)iose Platyloheee.') 



Tribe III. SPIROLOBE^, D.G. 

 Cotyledons linear, Qoiled transversely npon themselveSr Radicle dorsal. 



PRINCIPAL GENERA. 

 *Buiiias, * Schizopetaluffl. 



Tribe IV. DIPLECOLOBE^, D.G. 

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



PRINCIPAL GENERA. 

 Coronopus. Subnlaria. 'Heliophila. 



CLASSIFICATION OF CEUCIFEE^. 



By Bentham aitd Hooker pil. 



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

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

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



Tribe I. ARABiDEiE. — Siliqua narrow, long, seeds often 1-Seriate. Cotyledons 

 accumbent. Matthiola, Cheiranthus, Atelanthera, NasfMrtium, Barbarea, Arabis, Gar- 

 damine, LoncJiophora, Anastatica, &c. 



Tribe II. Altssine^. — Siliqua often short, large, seeds 2-seriate. Cotyledons 

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

 learia, &c. 



Tribe III. Sistmbrie^. — Siliqua narrow, long, seeds often 1-seriate. Cotyle- 



