G. 78) CLASSIFICATION AND DESCRIPTION 137 
Shrub (var. pumila) to large tree, 6 to 50 ft. high; throughout; 
rare north, abundant south. Sometimes cultivated. The branches 
are numerous, slender, horizontal, giving the tree a wide-spreading, 
dense top. 
2. Céltis Mississippiénsis, Bose. Leaves 
almost entire, with a very long, tapering point, 
a rounded and mostly oblique ba-e, thin and 
smooth. Fruit smaller than that of the pre- 
ceding species. A small tree with rough, 
warty bark. Illinois and southward. C. Mississippiénsis, 
Genus 77. MACLURA. 
Trees or shrubs with milky juice and simple, alternate, 
entire, deciduous leaves, generally having a sharp spine 
by the side of the bud in the axils. Flowers inconspicu- 
g ous; in summer. Fruit large, glob. 
ular, orange-like in appearance, 
\ 
Maclira aurantiaca, Nutt. (OsaGE 
ORANGE. Bow-woop.) Leaves rather 
thick, ovate to ovate-oblong, almost en- 
tire, smooth and shining above, strong- 
veined and paler beneath, 4 in. long by 2 
in. wide; spines simple, about 1 in. long. 
Fruit as large as an orange, golden-yellow 
when ripe. A medium-sized tree, 20 to 
50 ft. high; native west of the Missis- 
sippi. Extensively cultivated for hedges, 
M. aurantiaca, and also for ornament, throughout. 
Genus 78. MORUS. ‘' 
Trees with milky juice and alternate, deciduous, ex- 
stipulate, broad, heart-shaped, usually rough leaves. 
Flowers inconspicuous; in spring. Fruit blackberry- 
like in shape and size; in summer. 
* Leaves rough; fruit dark-colored ......... 2.0... cc eeeeeeeee 1. 
* Leaves smooth and shining; fruit white to black............. 2. 
