. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 346 The Elms and often doubly toothed, very rough and dark green on the upper surface, and hairy on the lower, small, 5 cm. long or less, with hairy stalks 2 to 4 mm. long; the stipules are prominent on the yoimg leaves, sometimes i cm. long, but fall away early. The flowers appear id the autunm, in small short-stalked clusters in the leaf-axils; the calyx is deeply cleft into narrow lobes, about as long as the hairy ovar
. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 346 The Elms and often doubly toothed, very rough and dark green on the upper surface, and hairy on the lower, small, 5 cm. long or less, with hairy stalks 2 to 4 mm. long; the stipules are prominent on the yoimg leaves, sometimes i cm. long, but fall away early. The flowers appear id the autunm, in small short-stalked clusters in the leaf-axils; the calyx is deeply cleft into narrow lobes, about as long as the hairy ovary and somewhat shorter than the stamens. The samara is oval, 8 to 10 mm. long, whitish hairy all over, especially on the edges. The tree has been planted for shade in towns and cities within its range; its wood is reddish brown, rather weak, with a specific gravity of about , and is locally used for furniture and hubs. 2. RED ELM—Ulmus serotina Sargent This tree is known to inhabit banks and bluffs only in parts of Tennessee, Georgia, and Alabama, and is thus apparently one of the most restricted in geo- graphic distribution, though its range is likely enough to be extended when it becomes better known. It some- times attains a height of 16 me- ters, with a trunk diameter of about I meter; it was long sup- posed, from the similarity of its leaves, to be identical with the more northern Cork elm U. Thomasii Sargent. The bark is thin and not deeply fissured, hght brown and scaly. The young twigs are smooth or nearly so, and reddish brown; they become grayish after the first year's growth and usually corky-winged. The leaves are oblong to ovate or somewhat ob- ovate, pointed, often long-pointed, firm in texture but rather thin, smooth or very nearly so, shining and hght green on the upper sur- FiG. 303. — Red Elm. , hairy on the veins on the under side, coarsely toothed, 5 to 10 cm. long, with stalks 7 mm. long or less, the stipules about as long as the stalks and fal
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