136 Bulletin of the University of Texas 
the leaves of the preceding year. Staminate and pistillate 
flowers in separate clusters. Fruit a greenish two winged 
samara ripening in late spring; wings divergent. In wet 

Fig. 48. Acer saccharinum. 
ground, New Brunswick, Ontario, South Dakota, Florida, 
Oklahoma and Texas. Many cultivated varieties with finely 
cut leaves are planted for ornament. A very quick growing 
tree extensively cultivated. 
5. Acer rubrum L. Red Maple. A large forest tree with 
upright branches. Bark on young stems gray, smooth, be- 
coming brown and shaggy on older stems. Twigs reddish 
brown. Leaves 3-5 lobed, the middle lobe longer than the others 
and tapering toward the broad base, serrate margined, 
notches wide obtuse angled, medium green and smooth above, 
paler and somewhat hairy beneath. Flowers searlet or yel- 
lowish, in clusters in tle axils of leaves of the preceding year. 
