Signs and Abbreviations 



.sensu strictu, in a restricted 



sense 

 subgenus 

 Saskatchewan 

 Schaeffer 

 Schaupp. 

 Shasta 

 Siberia 

 Sierra 



Southern Arizona 

 Southern California 

 Southern Florida 

 Southern States 

 E. A. Schwarz 

 Tennessee 

 Texas 

 Tulare 

 Tuolumne 

 United States 

 Utah 

 Virginia 

 \^ancouver 

 Vermont 

 W' estern Canada 

 Walther Horn 

 West Indies 

 Western Kansas 

 Western States 

 West Virginia 

 Washington 

 Wisconsin 

 Wyoming 



