i6 



VI. CRUCIFER^. 



[I. Dicotyledons 



60. Arabia cili.ita, Br. 



Frhiged Rockcrcss. 



61. Avabis Thaliana, L. 

 Sisymbrium Th., Hook. 



TluilccrcsSy Wallcress. 



62. Arabis sUicta, Huds. 

 A. scabra, All. 



Bristol Rockcress. 



63. Arabis petrsea, Lam. 



Northern Rockcress. 





64. Cavdaniine amara, L. 



Large Bittercress, 



