THE TRUE FIRS 



Leaves without stalks; twigs not rough, leaf scars 

 flat. Leaf scars large; cone scales fall away from cen- 

 tral axis. 



WHITE FIR 



Abies concolor 



LEAVES 



In 2 ranks l"-2" long, twisted at 

 base, blue green in color. 



CONES 



3 "-5" in length; borne erect with 

 broad flat scales. 



HANGE 



Southern Colorado to mountains of 

 California north to Oregon and 

 South to Mexico. 



In addition to the white fir which is frequently used 

 for ornamental planting in the East and in Europe there 

 are eight firs in the United States (nine in all). 



Fig. 15. Twig and cone of white fir. 

 194 



