261 



Ambrosia psylostachya, DC. 



Reported by J. F. Co-well as having been found by him at East 

 Buffalo. 



Xanthium Canadense, Miller. (X. strumarium, L., of Gray's Manual of 

 Botany). Bristly fruited. Not uncommon in waste places. 



var. echinatum, (X. strumarium, var. echinatum of Gray's Manual 

 of Botany). Hairy fruited. Shore of Lake Erie, Buffalo. 

 The true X. strumarium, L., a native of Europe, sparingly 

 adventive at the East, has not been recognized here. It may 

 be known by its fruit being entirely smooth. 



Helianthus petiolaris, Nutt. 



Adventive at East Buffalo. 1S82. 



Helianthus lenticularis, Dougl. 



Adventive at East Buffalo. 1882. 



Coreopsis aristosa, Michx. 



Adventive at East Buffalo. 1882. 



Bidens cernua, L. 



Abundant near the shore of Niagara River, above Clifton, 

 Ont., Oct., 1882. 



Bidens bipinnata, L. 



Adventive at East Buffalo. 1882. 



Matricaria inodora, L. (?) 



Springing up where "English Lawn Grass-seed" has been 

 planted, but probably precarious. 1883. 

 Artemisia vulgaris, L. 



Fort Erie, Ont. 1882. 

 Lactuca Canadensis, L. , var. integrifolia, Torr. and Gray. 



Inadvertently omitted from the list. 

 Lactuca Canadensis, L. var. sanguinea, Torr. and Gray. 



Inadvertently omitted from the list. 

 Lactuca Scariola, L. 



An adventive, well established at East Buffalo. 1882. 



Vaccinium macrocarpon, Ait. 



Point Abino, Ont. 1882. 



Plantago Rugellii, Desc. 



Here, as elsewhere, the species (erroneously called P. Kamt- 

 schatica in the Catalogue), proves to be very common and 

 is often found growing with P, ?najor, L. 



Verbascum Lychnitis, L. 



Very rare, and now probably extirpated. Clinton. 



