232 THE BOOK OF FORESTRY 
SUGAR OR ROCK | RED MAPLE | BOX ELDER 
Acer saccharum Acer rubrum Acer negundo 
Bark Bark Bark 
Pale and smooth on | Pearly gray on young | Pale gray, divided 
young trees.| trees; forming| mto short thich 
Deeply furrowed! plate-like scales on | scales 3/’-3” thick 
and gray brown on | older trees. 
older trees. 
LEAVES LEAVES LEAVES 
Heart-shaped with |Five lobed with |Compound_ or | 
round _ sinuses| sharply pointed si-| lobed,leaflets with 
(notches) 3-5 lobes.| nus. Edges have! edges coarsely 
many,teeth; leaves | notched. 
appear after flowers 
in spring. 
FRUIT FRUIT FRvIT 
Asamara (fruit with |A samara, ripens | A samara borne in 
wing). Ripensand| in early summer;| dense _ clusters, 
is shed in autumn. | fruit smallest of | ripening in early 
the maples. summer. 
RANGE Rancr RANGE 
Maine to Minnesota;| Maine to Western | From Canada _ to 
Florida and Texas.| New York; Florida} New York State 
and Texas. through Virginia 
to California; south 
to Florida and 
Texas. Most com- 
mon along streams 
Frequently planted 
as shade tree in 
the West. 
