. Bulletin. Forests and forestry -- United States. REQUIREMENTS FOR HEAT AND MOISTURE. 29 slope, on the coutrarj-, lias almost no trees, because its rainfall is very slight, and those which do grow there are small and stunted in conii)arison with the giants on the west. (See PI. XIY.) Again, certain trees, like the Bald Cypress and the River Birch, grow only in very moist land; others, like the Mesquite and the Piny on or Xut Pine, only on the driest soils; while. Fig. 26.—Dense forest in a region of great rainfall. Olympic Peninsula, Wash- ington. still others, like the Bed Cedar and the Bed
. Bulletin. Forests and forestry -- United States. REQUIREMENTS FOR HEAT AND MOISTURE. 29 slope, on the coutrarj-, lias almost no trees, because its rainfall is very slight, and those which do grow there are small and stunted in conii)arison with the giants on the west. (See PI. XIY.) Again, certain trees, like the Bald Cypress and the River Birch, grow only in very moist land; others, like the Mesquite and the Piny on or Xut Pine, only on the driest soils; while. Fig. 26.—Dense forest in a region of great rainfall. Olympic Peninsula, Wash- ington. still others, like the Bed Cedar and the Bed Fir, seem to adapt themselves to almost any degree of moisture, and are found on very wet and very dry soils alike. In this way the different demands for moisture often separate the kinds of trees which grow in the bottom of a valley from those along its slopes, or even those in the gullies of hillsides from those on. 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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