. College botany; structure, physiology and economics of plants. Botany. Fig. 169.—Flower of elm. white mulberry (M. alba) are well-known fruits. The silkworms feed upon the leaves of the' latter, which is grown eJrtensively for that purpose (Fig. 170).. 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 Cook, Melville Thurston, 1869-1952. Philadelphia and London, J. B. Lippincott Company

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1920