10 MISC. CIRCULAR 31, U. S. DEPT. OF AGRICULTURE 
fall to pieces when they are mature, while still on the tree. The 
branches of young white fir grow in whorls, and the bark is grayish 
with a brownish tinge. Young white fir is one of the most desirable 
Christmas trees. 
SRS 
: F 193437 
Figure 8.—California red fir (Abies magnifica) 
The California red fir (fig. 8) resembles the white fir but occurs 
at higher elevations. Its furrowed bark, in zigzag ridges, is dark 
red brown. The mature leaves are deep green, while the new foliage 
is silvery. The upright cones are 5 or 6 inches high and, lke those 
of white fir, fall to pieces on the tree when ripe. The 4-angled 
i eee 
