ELEMENTS. In chemistry, bodies which have never been decomposed or resolved into. their components by artificial (chemical) means.
ELM. Utinus. The Elm is one of the most beautiful of American trees, when planted singly. In fact, it is the most beautiful, size and grace of form and beauty being especially considered. Hence it is, without doubt, the most popular of shade trees. Michaux regarded the elm as the most magnificent vegetable of the temperate zone. The elm is not only a fast growing tree, once its. roots get hold of the soil, but it is long-lived, and few trees stand the smoke and dust of cities. better. Hence, it is extensively planted in. avenues and parks of cities, and in the streets of villages. The American White elm (L'Imus Am,ericana) is, without doubt, the most hand some of the species, reaching in its native forest, a height of eighty to 100 feet. It is, however,. when planted out singly, that its real beauty comes out, assuming, as it does, many graceful. forms, of pendulous beauty, and sometimes. becoming almost weeping in form. Among the strictly ornamental varieties produced by the art of man, the Camperdown elm is one of these, a. cut of which we give to show its peculiarities. Among the varieties of the American elm, the Corky, White elm ( racemosa), closely resembles.
the true White elm. It grows alonz the banks. of rivers, is more rigid in appearance, the wood is tougher and finer grained, and the corky ridges on the branches easily distinguish it from the white variety. The Slippery, or Red elm ( LT. fulva), is a valuable tree. Its inner bark furnishes the slippery elm of commerce. It reaches a length of fifty to sixty feet, and a diameter of two feet of trunk. In the West it is a common tree. The wood is tough and valua ble, and is especially sought after for hubs of wheels, for the reason that it holds the spokes firmly. The Winged elm, or Wahoo (Ir. alatit), is common South, and occasionally found up to latitude 40'. It is a handsome medium. sized tree, and distinguished by the corky ridges on each side of its branches, whence its nanne. The English elm ((T. campestris), is one of the finest trees of Europe, an immense tree of ninety to one hundred feet in height and sometimes im mense circumference. The wood is valuable when grown on dry soils, but from its habit of persistently producing suckers, it is not a good tree to plant for ornament. The Scotch, or Witch elm ( is darker in its foliage