. A primer of forestry : part I, the forest. Forests and forestry. THE FOKEST. 7 and the digestion of its food take place in the crown. For this reason, and because we can control its shape and size more easily and directly than that of the roots or trunk, the crown is of special interest to the forester. It is almost exclusively with the crowns that he has to deal in tending a crop of trees and preparing the way for the succeeding. Fig. 3.—Trunks of two Red Firs of great Fig. 4.—Stem and crown of a Longleaf Pine, the latter size. Olympic Forest Reserve, Wa^h- covered with moss swaying in the
. A primer of forestry : part I, the forest. Forests and forestry. THE FOKEST. 7 and the digestion of its food take place in the crown. For this reason, and because we can control its shape and size more easily and directly than that of the roots or trunk, the crown is of special interest to the forester. It is almost exclusively with the crowns that he has to deal in tending a crop of trees and preparing the way for the succeeding. Fig. 3.—Trunks of two Red Firs of great Fig. 4.—Stem and crown of a Longleaf Pine, the latter size. Olympic Forest Reserve, Wa^h- covered with moss swaying in the wind, ington. generation. As they stand together in the forest, the crowns of the trees form a broken shelter, which is usually spoken of as the leaf canopy, but which may better be called the cover. THE FOOD OF A TREE. The materials upon which a tree feeds are derived from the soil and the air. The minute root hairs which spring from the rootlets take up water from the ground, and with it various substances which it 173. 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 Pinchot, Gifford, 1865-1946. Washington, D. C. : U. S. Dept. of Agriculture
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