CONTENTS 



PAGE 



Introduction 1 



Limits of tlie Sierran region 3 



Petrology ^.— J^ 



Topography 8 



Climatology 17 



Life-zones of the Sierra Nevada 44 



Statistical abstract from the Annotated List 60 



Key to the families of the Annotated List 66 



Annotated List of the species of vascular plants growing within the Boreal 



Region of the Sierra Nevada 72 



Pteridophyta (Families 1-5) 72 



Spermatophyta (Families 6-51) 81 



Gymnospermae (Family 6) 81 



Angiospermae (Families 7-57) 88 



Monocotyledones (Families 7-15) 88 



Dicotyledones (Families 16-57) 148 



Choripetalae (Families 16-43) 148 



Sympetalae (Families 44-57) 282 



List of new names and combinations 408 



Literature cited 409 



Index 417 



