. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. DICOTTLEDONES. 193 8. Salicaceae. The Willow family comprisesdicecioua trees and shrubs whose amentaceous flowers are destitute of a perianth. There are two genera and one hundred and ieighty species, found principally in the North Temperate and Arctic Zones. Many species of Willow (Scdix) are cultivated for basket-making. The charcoal obtained from them by charring the wood is extensively used in the manufactu
. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. DICOTTLEDONES. 193 8. Salicaceae. The Willow family comprisesdicecioua trees and shrubs whose amentaceous flowers are destitute of a perianth. There are two genera and one hundred and ieighty species, found principally in the North Temperate and Arctic Zones. Many species of Willow (Scdix) are cultivated for basket-making. The charcoal obtained from them by charring the wood is extensively used in the manufacture of gunpowder. The Weeping Willow (S. Babylonica) is a native of Persia, but common in cultiva- tion. The Poplars (Fopulus) have a light, white wood, used much in manufacturing. The Lombardy Poplar (P. dilaiata) is the commonest one cultivated for ornament. 9. Platanacese. The Plane-tree family consists of five monoecious plants of the genus Plakbnus, whose flowers are in globose catkins. The Plane-tree, or Sycamore (P. ocoidentalis), whose wood, though valuable, is not much used, is found in the Eastern United States; one species occurs in California, two in Mex- ico, and the fifth (P. orimtalis) is found in the Old World. 10. Betulaceae. Birch family. Of these â monoecious, amentace- ous trees, numbering over forty species, the most useful perhaps is the White Birch (Betula alha). of Northern Europe, Asia, and North America. Its wood is used for fuel, also in. Fig. 303. Euphorbia marginatum 13. 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 Kellerman, William Ashbrook, 1850-1908. Philadelphia, J. E. Potter and Company
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