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ed, rough. Fruit smooth, with the wing deeply notched. A tall and beautiful cultivated tree, with the branches growing out from the trunk more abruptly than those of the American Elm, and thus forming a more pyramidal tree. A score of named varieties are in cultivation in this country, some with very corky bark, others with curled leaves, and still others with weeping branches. [Illustration: U. racemosa.] 4. =Ulmus racemosa=, Thomas. (CORK OR ROCK ELM.) Leaves 2 to 4 in. long, obovate-oblong, abruptly pointed, often doubly serrated, with very straight veins; twigs and bud-scales downy-ciliate; branches often with corky ridges. Fruit large (1/2 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 Missouri, on river-banks. [Illustration: U. alata.] 5. =Ulmus 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 branches having corky wings. Wild, Virginia, west and south; rarely cultivated. [Illustration: U. Americana.] 6. =Ulmus 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 1/2 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 branchlets, forming a very wide-spreading top. Wild throughout in rich, moist soil; common in cultivation. GENUS =75. PLANERA.= Trees or tall shrubs with alternate, simple, pointed, 2-ranked, feather-veined, toothed leaves. Flowers inconspicuous, with the leaves in spring. Fruit a small, nut-like, scaly, globular drupe, ripe in autumn. Bark scaling off like that of the Sycamore. [Illustration: P. aquatica.] 1. =Planera aquatica=, Gmel. (AMERICAN PLANER-TREE.) Leaves ovate-oblong, small, 1 to 1 1/2 in. long, on short stems, sharp-pointed, serrate with equal teeth, smooth, green above and gray below, not oblique at base. Flowers minute, in small heads, appearing before the leaves. Fruit a scaly, roughened nut, 1/4 in., raised on a stalk in the caly
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