79. A. Drummondii, Gray. 



Rare. Lewiston, Niag. Co.; Pt. Abino, Ont. The Lewiston 

 plants, white-flowering: the Pt. Abino ones, pink. 



41. BARBAREA, L. 



SO. B. vulgaris, R. Br. 



42. ERYSIMUM, L. 



81. E. chieranthoides, L. 



Rather rare. West Seneca, Erie Co. ; Mud Lake, Villanova, 

 Chat. Co., and elsewhere. 



43. SISYMBRIUM, L. 



82. S. OFFICINALE, Scop. 



83. S. Thaliana, Gay. 



Pt. Abino, Ont. There abundant. Elsewhere not seen. 



S. canescens, Nuit. 



Very rare. It seems quite certain that a cruciferous plant, re- 

 cently detected by members of the " Buffalo Field Club," at 

 the Falls of Tonawanda River, in Corfu, Gen. Co., will prove 

 to be of this species. 



44. BRAS3ICA, L. 



84. B. sinapistrum, Bossier. 



85. B. nIgra, Gray. 



86. B. campestris, L. 



Rather rare. To be regarded as accidental. 



87. B. rapa, L. 



Often spontaneous where " bird seed" has been scattered. 



45. DRABA, L. 

 SS. D. arabisans, Michx. 



Very rare. "Counterfeiter's Ledge," near Akron, Erie Co. 



D. verna, L. 



Introduced at Buffalo and Goat Is., Niagara Falls. Hardly yet 

 established. 



46. ALYSSUM, Tourn. 



89. A. CALYCINUM, L. 



Rare. Near Brock's Monument, Queenston, Ont. ; introduced 

 near Forest Lawn Cemetery, Buffalo. 



*47. CAMELINA, Crantz. 



90. C. sativa, Crantz. 



Rare. Track of the L. S. & M. S. R. R., Buffalo. Not seen of 

 late. 



48. CAPSELLA, Vent. 



91. C. Bursa-pastoris, Moensch. 



