. Bulletin. Forests and forestry -- United States. 22 A PRIMER OF FORESTRY. These are the raedulhiry rays, which make the silver grain in quartered Oak and other woods. (See figs. 17, 19, 22, and Pis. VII-IX.) They exist in all kinds of trees, but in many, as, for example, in the Chestnut and in most conifers, they are so fine as hardly to be seen. Fig. 22.—Slab sawed lengthwise from a Black Oak. Milford, Pa. The saw passed almost through the center of the tree, but not quite. The lines of an- nual growth are cut through obliquely, and ihe silver grain appears quite plainly, both in the middle
. Bulletin. Forests and forestry -- United States. 22 A PRIMER OF FORESTRY. These are the raedulhiry rays, which make the silver grain in quartered Oak and other woods. (See figs. 17, 19, 22, and Pis. VII-IX.) They exist in all kinds of trees, but in many, as, for example, in the Chestnut and in most conifers, they are so fine as hardly to be seen. Fig. 22.—Slab sawed lengthwise from a Black Oak. Milford, Pa. The saw passed almost through the center of the tree, but not quite. The lines of an- nual growth are cut through obliquely, and ihe silver grain appears quite plainly, both in the middle and at the sides. with the naked eye. Seasoning cracks which run across the rings of growth always follow the lines of these rays, while others most often follow along some annual ring. ANNUAL RINGS. It is correct to speak of these rings of growth as "annual rings,'' for as long as the tree is growing healthily a ring is formed each year. (See figs. 17, 22, and. 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 United States. Division of Forestry. Washington : G. P. O.
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