14 



FUMARIACE^L 

 Diclytra Cucullaria, DC. (Dicentra Gucullaria, DC.) 



Dutchman's Breeches 



Goat Island. Abundant. 



Diclytra Canadensis, DC. (Dicentra Canadensis, DC.) 



Squirrel Corn 



Goat Island. Abundant. Between the two species numerous 

 hybrids have been noticed on Goat Island. 



Corydalis glauca, Pursh Corydalis 



Occurs at Tonawanda, and should be found near the Falls. 



CRUCIFER^}. 



Alyssum calyctnum, L Alyssum. 



Near Brock's monument, Ontario. 

 Dkaba verna, L Whitlow Grass. 



Introduced on Goat Island, but perhaps not established. 



Dentaria diphylla, Michx Pepper Root. Crinkle Root 



Goat Island. 



Dentaria laciniata, Muhl. 

 Goat Island. 



Cardamine rhomboidea, DC Spring Cress 



var. purpurea, Torr. 



Goat Island and elsewhere. The typical form, probably, may be 

 found in the low ground near Clifton, Ontario. 



Cardamine hirsuta, L Bitter Cress 



Goat Island. 

 Arabis lyrata, L Rock Cress 



Goat Island. The Three Sisters. And along the gorge to 

 Lewiston. 



Arabis hirsuta, Scop. 



Near Devaux College, and at Lewiston, and on the opposite side 

 of the river. 



Arabis laevigata, Poir. 



Devil's Hole, Queenston Heights, Ontario. Macoun. 

 Arabis Canadensis, L Sickle Pod 



Goat Island, and elsewhere. 

 Arabis perfoliata, Lam Tower Mustard 



Near Clifton, Ontario. 



