38 



Umversity of California Publications in Botany [Vol. 9 



Table 3. — Monthly Mean and Extreme Temperatures, Canadian Zone (F.). 

 Summit, Placer County, 7,017 feet. 



Tamarack, Alpine County, 8,000 feet. 



Botlie, Mono County, 8,248 feet. 



90 



SO 



60 



50 



40 



30 



20 



30 



Jan. Feb. ALir. April May June July Aug. Sept. Oct. Nov. Dec. 



