440 OKOLO«ICAL SURVEY OP CANADA. 



(19{»0.) C. Americana, Walt. Wild Ilawl-nut. 



MiK-h iiioio I'cstricted in range tlian the last and chiefly oontinod to 

 rocky thickets in Ontario, abundant at Bolloville and in the valley of 

 the Moira ; also at Trenton Station :in<l in (lie Trent Valley nearly up 

 to Canipbellford. {Macoun.) Plentitul in (he vicinity of Toronto. 

 (A. FoicltT.) Low sandy thickets, London, Ont., also at Emerson, 

 Man. {Bunjcss.) In thickets near Selkirk, Man. (J. M. Macoiin.) 

 Abundant in thickets at WinnijiCii^, and westward in thickets uj» the 

 Assinniboine and (^u'Appelle, and along the South Saskaichcwau; in 

 the Moose Mountains and Cypress Hills. {Macoun.) 



554. QUERCUS, Linn. (OAKS.) 



(1991.) Q. alba, Linn. White Oak. 



Q. (illxi, \a.r. 2nnnatiji(la, Michx. Fl. II., liJo. 



Q. alba, var. rcpanda, Pursh, Fl. I., G33. 



Q. alba, var. microcarpa, DC. Prodr. XVI., 22. 



One of our most widely distributed oaks, being found mixed with the 

 white pine in western Quebec and eastern and northern Ontario, and 

 reaching an immense size in the western peninsula. On sandy plains 

 and sand or gravel ridges, it often constitutes over half the forest, but 

 in low rich soils, it is seldom seen. 



(1992.) Q. Carryana, Douglas. Western White Oak. 



Q. Douglasii, var. ? Necei, DC, Prodr. XVI., 24. 



Abundant on the south-eastern part of Vancouver Island, especially 

 in the neighborhood of Victoria, where it occupies large tracts of rocky 

 ground. Seen furthest north on prairies along the river at Comox. A 

 few small trees, a mile and a half above Yale on the Fi-aser, B.C. 

 (Daicson.') 



(1993.) Q. obtusiloba, Michx. Post Oak. 



Q. stellata, Wang. DC. Prodr. XVI., 22. 



We have never been able to fully identify this tree in southern Ontario, 

 but admit it on authorities given below. A tree with fruit agreeing" 

 with Michaux's figure grows along the Bay of Quinte and is possibly 

 this species. {Macoun.) Canada. (Dr. Beck, vide Hooker?) Southern 

 Ontario. {Sargent.) 



