74 



TREES OF NORTH AMERICA 



dark gray after the leaves fall. Bark on young trunks separating into large irregular curl- 

 ing thin scales, on old trees becoming dark red-brown and fibrous. 

 Distribution. Mountains above Clifton, Greenlee County, eastern Arizona; on the 



Fig. 73 



San Francisco Mountains, Socorro County, and San Luis Mountains, Grant County, west- 

 ern New Mexico; and in Chihuahua. Passing into 



Cupressus arizonica var. bonita Lemm. 

 Cupressus glabra Sudw. 



Differing from the type in the prominent oblong or circular glandular depressions on the 

 backs of the leaves. 



A tree 30-70 high, with a trunk 18'-24' or rarely 5 in diameter, erect branches forming 

 a rather compact conical head. Bark of the trunk and large branches thin, smooth, dark 



Fig. 74 



reddish brown, separating into small curled scale-like plates, becoming on old trees dark 

 gray and fibrous. Wood heavy, hard, pale straw color with lighter-colored sapwood, 



