CONTENTS 



PAGE 



Introduction 1 



Limits of the Sierran region 3 



Petrology i- 



Topography 8 



Climatology 17 



Life-zones of the Sierra Nevada 4-t 



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 



