0.75] 



CLASSIFICATION AND DESCRIPTION 



135 



rated, with very straight veins ; twigs and 

 bud-scales downy-ciliate ; branches often 

 with corky ridges. Fruit large (y z 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. thmus alata, Michx. (WAHOO OR 

 WINGED ELM.) Leaves small, 1 to 2 in. 

 long, ovate-oblong or oblong-lanceolate, 

 acute, thickish, downy beneath and nearly 



smooth above, sharply serrate. Bud- 

 scales and branchlets nearly smooth. 

 Notch in the wing of the fruit deep. 

 A small tree, 30 to 40 ft. high, the 



1 yE^^\M branches having corky wings. Wild, 



f- ^^T^-50 V \ f Virginia, west and south j rarely cul- 



tivated. 



6. fhmus Americana, 



L. (AMERICAN OR WHITE 



ELM.) Leaves 2 to 4 in. 



long, obovate-oblong or 



oval, abruptly sharp- 

 pointed, sharply and often doubly 

 serrated, soft -pubescent beneath when 

 young, soon quite smooth; buds and, 

 branchlets smooth. Fruit j in. long, its 

 sharp points incurved 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. 



TJ. Americana. 



GENUS 75. 



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- 



