Salix lucida, Muhl..................0.00 00. .Shining Willow 
Goat Island. Near Clifton, Ontario. 
Salix discolor, Muhl....................... Glaucous Willow 
Goat Island. 
Salix rostrata, Richardson. (8. livida, Wahl., var. occidentalis, Gray.) 
Livid Willow. | 
Above the 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, Li... ee eee ee eee Basket WILLOW 
On the American side of the River, above the Falls. “Between 
Niagara Towu and Queenston.” Macoun. 
Sauix auBa, L., and 
Satix Bapynonica, L. are not uncommon in cultivation. 
Popunus auBa, Ll... ee. ee ee ee eee ABELE. Wutre Poruar 
Near DeVaux College. 
Populus CANESCENS, Smith ............ eee ee ee eee Wuite Popriar 
Planted as a shade tree in places. This and the last species have 
been often confounded by American botanists. P. canescens is 
much the commoner. 
Populus tremuloides, Michx ve ceeeecresaes 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............ 2.02.0. ee. 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. 
Popunus pinatata, LD... . ee ee Leeeeeeees Liomparpy Popiar 
Planted as a shade tree on the main land and spreading by the 
root. 
