. Fundamentals of botany. Botany. I20 THE VEGETATIVE ETJNCTIONS OF PLANTS in a resting state in buds. The outer coverings or scales of the bud are modified leaves or parts of leaves. They have almost or entirely lost their character as foliage organs, and while they are forming, their outer (dorsalj surfaces elongate more rapidly than their upper (ventral) surfaces. This causes them to curve together, so as to. Fig. 79.—Opening buds of horse-chestnut {Msculus Uippocastanum). (Cf. Fig. 80.) (Photo by E. M. Kittredge.) overlap, and form a protection to the embryonic stem, leaves, and other parts
. Fundamentals of botany. Botany. I20 THE VEGETATIVE ETJNCTIONS OF PLANTS in a resting state in buds. The outer coverings or scales of the bud are modified leaves or parts of leaves. They have almost or entirely lost their character as foliage organs, and while they are forming, their outer (dorsalj surfaces elongate more rapidly than their upper (ventral) surfaces. This causes them to curve together, so as to. Fig. 79.—Opening buds of horse-chestnut {Msculus Uippocastanum). (Cf. Fig. 80.) (Photo by E. M. Kittredge.) overlap, and form a protection to the embryonic stem, leaves, and other parts within the bud. With the return of warmth and moisture the following spring, the bud- scales resume their growth, but now their inner surfaces elongate more rapidly than their outer, reversing the method of their growth when forming. As a result of this, they begin to open outward. At the same time the. 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
