The Trees of Texas 135 
1. Acer saccharum Marshall. Sugar Maple. Hard Maple. 
A large round topped tree 100°-120° high with brown scaly 
bark, reddish brown twigs, and sugary sap. Leaves usually 
3-lobed, sometimes with 5 lobes, 3’-6’ broad, long stalked, 
rather thin, dark green above, paler and smooth below. Flow- 
ers greenish yellow, the staminate and pistillate usually in 
separate clusters on the same or different trees. Fruit ripen- 
ing in the late summer or autumn, wings parallel or somewhat 
divergent. 
On uplands New Foundland to Georgia, west to Manitoba, 
Nebraska and Texas. 
The maple sugar and sirup which are staple articles of 
commerce are made from the sap of this tree. The wood is 
very valuable, being used for flooring, finishing, and cabinet 
work. 
2. Acer Floridanum (Chapman) Fox. Florida Sugar 
Maple. A medium sized, round topped tree with rough, 
ehalky-white bark and light reddish brown twigs. Leaves 
rounded, 3-5 lobed, the notches between the lobes rounded, 
bark green and smooth above, hairy along the veins below. 
Flowers similar to Acer saccharum. Fruit a greenish 2-winged 
samara, the wings divergent. In lowland, Georgia, Florida, 
Louisiana and Texas. 
3. Acer grandidentatum Nuttall. Mountain Sugar Maple. 
A small tree 30°-40° with scaly, brown bark and reddish 
branches. Leaves 3-lobed, the lobes with large coarse teeth, 
notches between the lobes broad and shallow. Flowers sim- 
ilar to Acer saccharum. Fruita two winged, green samara, 
the wings spread ng or erect. 
Along mountain streams, Montana, Utah, Arizona, New 
Mexico, Texas and northern Mexico. 
The wood is hard and close grained. 
4. Acer saccharinum lL. Silver Maple. Soft Maple. A 
large forest tree 100° high with short trunk and large upright 
branches. Bark on old stems scaly, brown; on young stems 
and branches, smooth light gray. Twigs reddish, curved up- 
ward at the end. Leaves deeply five lobed, the lobes sharp 
pointed and toothed, smooth and dark green above, pale 
silvery and smooth below. Flowers greenish in the axils of 
