The Oaks 



85 



coarser, shorter, and rounder in cross-section than those of the white oak. 



The winter buds are a pale chestnut-brown, }/i in. long, smaller and less pointed 

 than those of the white oak. They are sometimes hairy above the middle, as in 

 the case of the scarlet oak, but they are more rounded, or blunter, than the buds of 

 that tree. 



The leaves are 5 to 6 in. long and 3 to 4 in. broad. The shape is something like 

 that of the white oak leaf, except that as the notches are not as deep the margin is 



SWAMP WHITE OAK 

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more wavy. They are thick, shiny, pale green above, and sometimes whitish below. 

 The acorn is from 1 to 13^ in. long. The cup is thick and encloses about one- 

 third of the nut. The scales sometimes form a slight fringe on the margin of the 

 cup. The inside of the shell is smooth and the kernel is sweet. The acorns are 

 borne singly or in pairs on stalks longer than the leaf-stems, a characteristic feature. 

 They take only one year to mature. 



QUERCUS MACROCARPA, Michx. BUR OAK 



Common names: Bur oak, scrub oak, blue oak*, mossy oak, 



mossycup oak, overcup oak. 

 French names; Chene a gros glands, chene blanc frise. 



The bur oak does not reach the large size in Canada that it does farther south, 

 rarely being found more than 40 to 50 ft. in height and 1 to 2 ft. in diameter. It 



