. Fundamentals of botany. Botany. I40 THE VEGETATIVE FUNCTIONS OF PLANTS favorable exposure to light of a large amount of chloro- phyll, upon which the plant is absolutely dependent for the manufacture of its food. Leaves that develop in reduced light-intensity (shade), ordinarily dispose of their. Fig. 99.—Geotropic correlation among the branches of a young spruce tree. After the terminal bud of the sapUng was destroyed one of the lat- eral branches (normally transversely geotropic) became positively geo- tropic; ultimately it assumed a vertical position and became the "leader" of t
. Fundamentals of botany. Botany. I40 THE VEGETATIVE FUNCTIONS OF PLANTS favorable exposure to light of a large amount of chloro- phyll, upon which the plant is absolutely dependent for the manufacture of its food. Leaves that develop in reduced light-intensity (shade), ordinarily dispose of their. Fig. 99.—Geotropic correlation among the branches of a young spruce tree. After the terminal bud of the sapUng was destroyed one of the lat- eral branches (normally transversely geotropic) became positively geo- tropic; ultimately it assumed a vertical position and became the "leader" of the tree. tissue in such a way as to become thinner and of larger area than when developed in more intense light. When the light-intensity is increased, the palisade layer often becomes double (Fig. 27). If a leafy stem is bent, so. 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.
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Keywords: ., bookauthorgag, bookcentury1900, bookdecade1910, booksubjectbotany