This tree is a native of North America, and attains the height of thirty or forty feet. It has an abundant and extensive foliage, and is. highly prized as an ornamental tree. Its general characteristics are so similar to the manna ash of Europe that it has been supposed one of the same species. It blooms in April and May, and its flowers are distinguished from those of the common ash by having corollas. This tree yields a clear, liquid-like substance, which oozes from its trunk and limbs under the influence of a hot sun. This substance first resembles drops of honey, of a sweetish taste, accompanied by a slight degree of bitterness, but granulates on exposure to the atmosphere. This variety of the ash is propagated from seed, by grafting or budding, and by cuttings and layers.