Description of Native Trees 



74. Winged Elm. Whahoo. (Ulmus alata.) 



Leaf : i'-2}4', simple, alternate, serrate, short-lance-shaped, 

 thickish, downy beneath ; some of the branches fringed with 

 corky wings. Flowers in March. Virginia and west. 



75. Planer-tree. (Planera aquatica.) 



Leaf : as in elm, 36 ; difference in fruit, which is i- instead of 

 2-celled, nut-like, and not winged. Flowers in April. Kentucky. 



76. Tulip-tree. Yellow Poplar. (Liriodendron tulipifera.) 

 Leaf : 5-6', simple, alternate, lobed, squarish. Flower : 

 large, tulip-shaped, greenish-yellow and orange, petals 6, 2' long ; 

 May, June. Fruit : persistent all winter, tulip-shaped. Range : 

 south New England to Illinois, and south ; tall, cylindrical 

 (PI. VIL) 



77. White Oak. (Quercus alba.) 



Leaf : 5-9', simple, alternate, about 7 (deeply)-lobed, not 

 bristle-pointed nor serrate ; bark ashy-white. (PI. L) 



78. Swamp White Oak. (Quercus bicolor.) 

 Leaf : 5-6', simple, alternate, many-lobed (not as deeply as 

 77), sometimes coarsely toothed near apex, irregular, whitish- 

 downy beneath, not bristle-pointed ; bark ashy-white. (PI. 11.) 



79. Post Oak. Rough White Oak. (Quercus minor.) 

 Leaf : 5-8', simple, alternate, strongly few-lobed, variable but 



rather cruciform, rough above, thick, leathery, grayish beneath 



(PI. IL) 



80. Bur Oak. Mossy-cup Oak. (Quercus macrocarpa.) 

 Leaf : 6-12', simple, alternate, 5-7 (large)-lobed, most of the 

 lobes again small-lobed or very coarsely serrate ; lobes often 

 large at base, small at top ; when mature leather}', thick, glossy 

 above, and lighter, often rusty, beneath ; cup thick, covered with 

 scales that form a fringed border. Range : west New England 

 to Wisconsin and Kentucky. (PI. II.) 



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