. Foundations of Botany. Botany. STEMS 69 from adventitious or dormant buds on the trunk or limbs. Such spines sometimes show their true nature as branches by bearing leaves (Fig. 34). 84. Indefinite Annual Growth. — In most of the forest trees, and in the larger shrubs, the wood of young branches is matured and fully developed during the summer. Protected buds are formed on the twigs of these branches to their very tips. In other shrubs — for example, in the sumac, the raspberry, and blackberry — the shoots continue to grow until their soft and immature tips are killed by the frost. Such a mo
. Foundations of Botany. Botany. STEMS 69 from adventitious or dormant buds on the trunk or limbs. Such spines sometimes show their true nature as branches by bearing leaves (Fig. 34). 84. Indefinite Annual Growth. — In most of the forest trees, and in the larger shrubs, the wood of young branches is matured and fully developed during the summer. Protected buds are formed on the twigs of these branches to their very tips. In other shrubs — for example, in the sumac, the raspberry, and blackberry — the shoots continue to grow until their soft and immature tips are killed by the frost. Such a mode of growth is called indefinite annual growth, to distinguish it from the definite annual growth of most trees. 85. Trees, Shrubs, and Herbs. — Plants of the largest size with a main trunk of a woody structure are called trees. Shrubs differ from trees in their smaller size, and generally in having several stems which proceed from the ground or near it or in having much-forked stems. The witch-hazel, the dogwoods, and the alders, for instance, are most of them classed as shrubs for this reason, though in height some of them equal the smaller trees. Some of. Fig. 34. — Leaf-Bearing Spine of Honey 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn & company
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