146 The Ottawa Naturalist. 



(1986.) A. viridis, DC. Green Alder. 



N.S. ; N.B. ; Que. ; Ont. ; Man. ; N.W.T., B.C. 

 Tall shrub ; hardy. 



551. CARPINUS, Linn. (Hornbeam.) 

 (1987.) C. Caroliniana, Walter. Blue Beech. 



Que. ; Ont. 

 Tree ; hardy. 



552. OSTRYA, Scop. (Ironwood.) 

 (1988.) O. Virginica, Willd. Lever-wood. 



N.S. ; N.B. ; Que. ; Ont. 

 Tree ; hardy. 

 333. CORYLUS, Linn. (Hazel-nut.) 



(1989.) C. rostrata, Ait. Beaked Hazel-nut. 

 N.S. ; N.B. ; Que. ; Ont. ; Man. ; N.W.T. ; B.C. 

 Shrub ; hardy. 



(1990.) C Americana, Walt. Wild Hazel-nut. 

 Ont. ; Man. ; N.W.T. 

 Shrub ; hardy. 



554. QUERCUS, Linn. (Oak.) 

 (199 1.) Q. alba, Linn. White Oak. 

 Que. ; Ont. 



Large tree ; hardy. 



(1994.) Q, macrocarpa, Michx. Mossy-cup Oak. 

 N.B. ; Que. ; Ont. ; Man. ; N.W.T. 

 Large tree ; hardy. 

 (1996.) Q. Prinus, Linn. Rock Chestnut Oak. 

 Western Ontario. 

 Tree ; hardy. 

 (1997.) Q. prinoides, Willd. Yellow Oak, Chestnut Oak. 

 Ontario. 



Tree; hardy. 

 (1998.) Q. rup.ra, Linn. Red Oak. 

 N.S. ; N.B. ; Que. ; Ont. 



Large tree ; hardy ; leaves ornamental in Autumn, 





