. Bulletin. Forests and forestry -- United States. RE(^U1REMENTS FOR HEAT AND MOISTURE. 27 effects. A dry country, or a dry slope, is apt to be hot as well, while a cool northern slope is almost always moister than one turned toward the south. Still the results of the demand of trees for water can usually be distin- ''^JUit. Fig. 24.—The Black Hemlock in its home. Cascade Mountaius ul Washington. guished from the results of their need of warmth, and it is found that moisture has almost as great an influ- ence on the distribution of trees over the earth as heat itself. Indeed, within any given
. Bulletin. Forests and forestry -- United States. RE(^U1REMENTS FOR HEAT AND MOISTURE. 27 effects. A dry country, or a dry slope, is apt to be hot as well, while a cool northern slope is almost always moister than one turned toward the south. Still the results of the demand of trees for water can usually be distin- ''^JUit. Fig. 24.—The Black Hemlock in its home. Cascade Mountaius ul Washington. guished from the results of their need of warmth, and it is found that moisture has almost as great an influ- ence on the distribution of trees over the earth as heat itself. Indeed, within any given region it is apt to be. 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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