51 



Salix lucida, Muhl Shining Willow 



Goat Island. Near Clifton, Ontario. 

 Salix discolor, Muhl Glaucous Willow 



Goat Island. 

 Salix rostrata, Richardson. (S. livida, Wahl., var. ocddentalis, day.) 

 Livid Willow. 



Above 4he Falls on both sides of the River. • 



Salix petiolaris, Smith. 



American side of the River above the Falls. 



Salix cordata, Muhl Heart leaved Willow 



Goat Island. 



Salix purpurea, L Basket Willow 



On the American side of the River, above the Falls. " Between 

 Niagara Town and Queenston." Macoun. 



Salix alba, L., and 



Salix Babylonica, L. are not uncommon in cultivation. 



Populus alba, L , . . . . Abele. White Poplar 



Near DeVaux College. 



Populus canescens, Smith White Poplar 



Planted as a shade tree in places. This and the last species have 

 been often confounded by Amei'ican botanists. P. canescens is 

 much the commoner. 



Populus tremuloides, Michx American Aspen 



Goat Island. 



Populus grandidentata, Michx Large-toothed Aspen 



Goat Island. The Three Sisters. 



Populus monilifera, Ait Cotton wood 



Goat Island and occasionally on both sides of the River, above the 

 Falls to Lake Erie. 



Populus balsamifera, L. 



var. candicans, Gray Balm of Gilead 



Lewiston. A single tree near the Ferry landing on the Canadian 



side ; probably not planted. The typical form may occur in 



the vicinity of the Falls as it is not uncommon on the islands in 



the River near Lake Erie. Not yet observed near the Falls. 



Populus dilatata, L Lombardy Poplar 



Planted as a shade tree on the main land and spreading by the 

 root. 



