154 Trees with Simple Leaves. [BUI 



the leaf. Apex of lobes, pointed. Base, heart-shaped 

 or nearly squared. 



Leaf, silvery white beneath ; downy when young, becom- 

 ing smooth. 



Flowers, small, pale, yellowish-green ; in crowded clusters. 

 March, April. 



Fruit, yellowish-green ; woolly when young, becoming 

 nearly smooth ; on stems about one inch long, with 

 very large, wide-spreading wings (two to three inches 

 long), one of which is often undeveloped. July, August. 



Found, widely distributed, but most common west of the 

 Alleghany Mountains and southward. 



A tree thirty to fifty feet high, with soft, white wood 

 of comparatively slight value. 



Fig. 78. Red Maple, Swamp Maple, Soft Maple. A. 



rubrum, L. 



Leaves, SIMPLE ; OPPOSITE ; EDGE LOBED, with the lobes 

 irregularly sharp-toothed and notched. 



Outline, roundish, with three to five lobes (the lowest 

 pair, if present, the smallest) ; and with the hollows 

 between the lobes pointed and usually extending 

 less than half-way to the base of the leaf. Apex of 

 the lobes, pointed. Base, heart-shaped (or sometimes 

 rounded. 



Leaf-stem, long and round. 



Leaf (very variable in size and in the toothing and shape 

 of its lobes) ; usually about two to four inches wide, 

 with short lobes ; whitish beneath. 



