116 



Merriam A New Fir from Arizona. 



" On Kendrick Peak it grows from the south rim of the crater 

 (altitude about 2,800 meters, or 9,200 feet) to the summit (a little 

 above 3,050 meters, or 10,000 feet).' 1 * 



Early in July of the 

 present year (1896) I 

 again visited San 

 Francisco Mountain 

 and, in company with 

 Dr. B. E. Fernow, had 

 the satisfaction of ob 

 taining upper and 

 lower branches, fresh 

 cones, and bark of the 

 new tree, which may 

 be defined as follows : 



Abies arizonica sp. nov. 



Type from west slope of 

 San Francisco Mountain, 

 Arizona. Altitude, about 

 3,000 meters (approxi 

 mately 10,000 feet). Col 

 lected July 2, 1896. No. 

 270,604. U. S. National 

 Herbarium. 



Range. Hudsonian 

 Zone of San Francisco 

 and Kendrick Mountains, 

 Arizona; not reaching 

 timber line. 



Characters. Size of tree, 

 medium or rather small, 

 averaging about 15 meters 

 in height and rarely 300 

 millimeters in diameter 

 at base; bark a highly 

 elastic fine-grained cork, 

 whitish or grayish in 

 color, usually creamy 

 white, with irregularly 

 sinuous grayish ridges 

 (Fig. 24) ; leaves of cone- 

 bearing branches thick, 

 subtriangular in transverse section, and sharp-pointed at apex (about 

 20 millimeters in length) ; leaves of lower branches much longer, natter, 



FIG. 24. Bark of Abies arizonica (natural size). 



* North American Fauna, No. 3, pp. 120-121, September, 1890. 



