18 



(>'2. N. lacustre, Gray. 



Rare. Niagara River, Clinton ; Scajauquady's Creek, Buffalo; — 

 the station now included in i lie Park, and obliterated. 

 63. N. AMORACJA, Fries. 



37. DENTARIA, L. 

 1)4. D. diphylla, Nichx. 



Rather rare. W. Seneca, Erie Co.; Hanover, Chat. Co.; ' loat 

 Is., Niagara Falls, and elsewhere. 



65. D. maxima, Nutt. 



Rare. Angola, Erie Co., Clinton. 



(ill. D. laciniata, Muhl. 



38. CARDAMINE, L. 

 G7. C. rhomboidea, DC. 



Rather rare. Scajauquady's Creek, Buffalo; Pine Hill. Cheek- 

 towaga, Erie Co.; W. Seneca, Erie Co. (the station destroyed.) 



68. C. rotundifolia, Michx. ? (C rhomboidea, DC. var. purpurea, Torr.) 



( )ur plant does not agree with the description of C. rotundifolia 

 in Gray's Manual, nor with specimens from Penn. Nor is the 

 plant likely to be C. purpurea, Cham & Schlecht., which seems 

 to be a species growing far northward. In giving it Michaux's 

 name, we follow Watson, but with much doubt. 



69. C. pratensis, L. 



Rare. S. E. portion of Buffalo, near W. Seneca. 



70. C. hirsuta, L. 



71. var. sylvatica. 



39. IIESI'FRIS, L. 



72. II. MATRONALIS, L. 



Spontaneous in gardens, and naturalized in some places. 



40. ARAB-IS, L. 



73. A. lyrata, L. 



Rather rare. Niagara halls; Ft. Erie, Ont.; I't. Abino, Ont. 



74. A. dentata, Torr. and Gray. 



Very rare. Eighteen-mile Cr., Evans, Erie Co., Clin Ion. 



7o. A. hirsuta, Scop. 



Rare. Near whirlpool, on either side of Niagara R.; near Go- 

 w anda, Erie Co. 



7<i. A. laevigata, Poir. 



Rather rare. Forest Fawn Cemetery, Buffalo; I't. Abino. Ont. 



77. A. Canadensis, L. 



78. A. perfoliata, Lam. 



Rare. Near Forest Fawn Cemetery, Buffalo. 



