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CONTENTS. 
Page. 
INTRODUCTION_ 3 
GENERAL OUTLINE OF VEGETATION- 3 
Forests- 3 
Grassland—;- 7 
Desert shrub- 7 
FOREST VEGETATION_ 7 
Western forest region- 7 
Woodland- 8 
Chaparral--- 8 
Pinon-juniper- 8 
Timberland- 8 
Western yellow pine-Douglas fir forest- 8 
Pure yellow pine forest- 9 
Yellow pine-sugar pine-incense cedar 
forest- 9 
Rocky Mountain Douglas fir forest- 9 
Lodgepole pine forest-.- 9 
Western larch-Douglas fir forest- 9 
Cedar-hemlock forest- 9 
Western white pine-western larch- 10 
Pacific coast Douglas fir- 10 
Spruce-fir forest- 10 
Other forest divisions- 11 
The redwood belt- 11 
Eastern forest region- 11 
Spruce-fir forest- 11 
White-Norway-jack pine forest—-- 12 
Birch-beech-maple-hemlock forest- 12 
Oak forest-- 13 
Chestnut-chestnut oak-yellow poplar forest- 13 
Oak-hickory forest- 13 
Oak-pine forest- 14 
Longleaf-loblolly-slash pine forest- 14 
Cypress-tupelo-red gum- 14 
Mangrove_ 14 
Correlation of forest vegetation- 14 
Summary of forest vegetation- 14 
GRASSLAND VEGETATION_ 
Tall grass_ 
Bluestem sod grass_ 
Bluestem bunch-grass grass_— 
Needle grass-slender wheat grass. 
Sedge prairie-.- 
Sand sage-sand grass- 
Shinnery_,_ 
Broom sedge-water grass_— 
Bunch grass_ 
Wheat grass sod_ 
Wheat grass and bunch grass- 
Stipa-poa bunch grass- 
Short grass___ 
Grama grass- 
Grama grass-mountain sage_ 
Grama grass-Muhlenbergia_ 
Galleta grass- 
Grama-buffalo grass_ 
Wire grass_ 
Western wheat grass- 
Grama-western needlegrass- 
Mesquite grass- 
Black grama_ 
Crowfoot grama-- 
Curly mesquite- 
Tobosa grass- 
Mesquite and desert-grass- 
Mesquite-mesquite grass_ 
Thorn-bush-mesquite grass_ 
Marsh grass_ 
Alpine meadow_ 
DESERT SHRUB VEGETATION_ 
Sagebrush--- 
Sagebrush_ 
Small sage- 
Scabland sage- 
Little rabbit brush_ 
Bitterbrush_ 
Big rabbit brush- 
Coleogyne- 
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DESERT SHRUB VEGETATION—Continued. 
Sagebrush—Continued. 
Sagebrush—Continued. 
Chamiso- 
Match weed _-—- 
Shadscale--- 
Winter fat--- 
Hop sage--- 
Bud sage- 
Salt sage- 
White sage- 
Creosote bush- 
Desert saltbush- 
Narrow-leaf saltbush - 
Desert salt bush-mesquite-——.- 
Creosote bush---- 
Creosote bush-bur sage- 
Black brush- 
Yucca-cactus- 
Yucca-cholla- 
Joshua tree-wild buckwheat- 
Cactus-paloverde-- 
Lechuguilla-sotol- 
California sagebrush--- 
California sage-encelia- 
Wild buckwheat- 
Mesquite___ 
Cat’s claw- 
Mesquite-chamiso- 
Mesquite-rayless golden rod- 
Greasewood- 
Greasewood_ 
Greasewood-shadscale- 
Seepweed-*- 
Pickleweed_ 
Samphire_ 
Salt grass_ 
Tussock grass - 
Rabbit brush-— 
Alkali heath_ 
Common names of plants and equivalent scientific names- 
Selected references- 
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