. Elements of botany. Botany. FAMILY 63 serrate, 3-i in. long. Flowers in close clusters with very short pedi- cels. Fruit obovate-elliptical, with a fissure extending alnKist to the seed, nearly smooth and not ciliate. Considerably planted as a shade tree and rarely escaped from cultivation. Very varialile, one variety with thick ridges of cork on the twigs. 3. V. americana L. 'Wiiitk El:m. A large tree with gray bark, drooping branches, and smooth or slightly downy twigs. Leaves oval or obovate, abruptly taper-pointed at the apex, obtuse and olilique at the base, slightly rough aliove,
. Elements of botany. Botany. FAMILY 63 serrate, 3-i in. long. Flowers in close clusters with very short pedi- cels. Fruit obovate-elliptical, with a fissure extending alnKist to the seed, nearly smooth and not ciliate. Considerably planted as a shade tree and rarely escaped from cultivation. Very varialile, one variety with thick ridges of cork on the twigs. 3. V. americana L. 'Wiiitk El:m. A large tree with gray bark, drooping branches, and smooth or slightly downy twigs. Leaves oval or obovate, abruptly taper-pointed at the apex, obtuse and olilique at the base, slightly rough aliove, soft-dow-ny or soon smooth beneath. Flowers in close fascicles; pedicels slender, smooth. Fruit oval or obovate, with 2 sharp teeth bending toward each other at the apex;. Fig. 12. I'lmus cojnpestris A, a flowering twig; B, a flower; C, longitudinal section of a flower; L, a fruit. (J, X*, natural size; B, G, enlarged.) (After Wossidlo) wing reticulate-veined, downy on the margin. In moist, rich soil. A widely planted oriramental tree ; wood strong but warping badly, and not durable when exposed.* 4. U. racemosa Thomas. CoitK Elm, Rock Elm. A large tree 80- 100 ft. high, with the 3'oung twigs somewhat downy; the branches often with ridges of cork. Leaves much as in I', americana, but smaller and less sharply serrate. Flowers racemed, on thread-like pjedicels. Fruit oval, downy on the surface and densely ciliate. In rich soil, especially along river banks. A highly valuable timber tree. 5. U. alata ^lichx. "Wixged Elm. A small tree with branches corky-winged. Leaves small, ovate-lanceolate, acute, sharply serrate, base nearly equal-sided, rough above, downy beneath, nearlv Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1904
