CONTENTS 



Page 



Introduction — 15 



Point of view 15 



Early collectors-— 16 



Later collectors — 19 



Koutes of early travel 20 



Topography 24 



Mountain ranges and altitudes 24 



Geology and soils.... ?\ 



Rivers and drainage 35 



Climate 39 



Precipitation 39 



Relative humidity 45 



Temperature 49 



Migrations 62 



Fossil forms 62 



Alpine flora 64 



Transcontinental species.. 66 



The eastern element 66 



The western element 68 



The southern element... 73 



General forest aspects 75 



The species 76 



Sectional areas 78 



Forest zones and formations 95 



The foothill transition forests 101 



The "slide-rock" succession 114 



The humid transition — western valleys 118 



The mountain forests 137 



The summits 159 



Summary 169 



Literature 175 



