48 
EUPHORBIACE. 
Euphorbia maculata, L..................... Spotted Spurge 
Main land on both sides of the River. 
Euphorbia platyphylla, L........................2.. Spurge 
Road sides on the main land. 
Euprnorsia Heuroscopia, lL... ee ce eens SPURGE 
With the last. 
EupHorRBIA CypaRIssias, Li... ee ee ees Cypress SPURGE 
Escaped. 
Euphorbia hypericifolia, L..... beeen eee eee e eee Spurge 
Above the Falls on the American side. 
Acalypha Virginica, L ............ Three-seeded Mercury 
Near DeVaux College. 
CERATOPHYLLACEZS. 
Ceratophyllum demersum, L.................... Hornwort 
In shallow places in the River above the Falls on the American 
side. In pools near Clifton, Ontario. 
URTICACE/:. 
Ulmus fulva, Michx....................020005- Slippery Elm 
Goat Island. Lewiston. 
Ulmus Americana, L....................00-. American Elm 
Goat Island. | 
Ulmus racemosa, Thomas..................--- Thomas’s Elm 
Bath Island. Planted. 
Uxmus camprstris, Le... 2... eee eee ee eee Eneuisu Ex, 
Luna Island. Planted. | 
Celtis occidentalis, L........... Nettle Tree. Sugar Berry 
“Rather common between Queenston and Niagara.” Macoun. 
Morus rubra, L..................... re Red Mulberry 
Near DeVaux College. One small specimen observed near the 
Ferry landing on the Canadian side. “Not uncommon from 
Niagara Town along the river to the Whirlpool.” Macoun. 
Morus atpa, L.. 2... ee eee Wate MvuLperry 
Spontaneous near Lewiston. Niagara Falls. Macoun. 
Morus 
An undetermined species has been planted on Luna Island, 
