G. 75) CLASSIFICATION AND DESCRIPTION 135 
rated, with very straight veins; twigs and 
bud-seales downy-ciliate ; branches often 
with corky ridges. Fruit large (44 in. or 
more long), with a deep notch; hairy. A 
large tree with fine-grained, heavy and 
very tough wood. Southwest Vermont, 
west and south, southwestward to Mis- 
souri, on river-banks. 
5. Ulmus alata, Michx. (WaHoo oR 
‘WINGED Ei.) Leaves small, 1 to 2 in, 
long, ovate-oblong or oblong-lanceolate, Uo racensec: 
acute, thickish, downy beneath and nearly 
smooth above, sharply serrate. Bud- 
scales and branchlets nearly smooth. 
j Notch in the wing of the fruit deep. 
. A small tree, 30 to 40 ft. high, the 
branches having corky wings. Wild, 
Virginia, west and south; rarely cul- 
tivated, 
6. Tlmus Americana, 
L. (AMERICAN OR WHITE 
Eto.) Leaves 2 to 4 in. 
long, obovate-oblong or 
U, alata: oval, abruptly sharp- 
pointed, sharply and often doubly 
serrated, soft-pubescent beneath when 
young, soon quite smooth; buds and 
branchlets smooth. Fruit 44 in. long, its 
sharp points ineurved and closing the 
deep notch; hairy only on the edges. 
A large ornamental tree, usually with 
spreading branches and drooping branch- 
lets, forming a very wide-spreading top. 
Wild throughout in rich, moist soil; common in cultivation. 
CS 
U. Americana. 
Genus 75. PLANERA. 
Trees or tall shrubs with alternate, simple, pointed, 
2-ranked, feather-veined, toothed leaves. Flowers incon. 
spicuous, with the leaves in spring. Fruit a small, nut- 
