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 Httle 

 above 3,050 meters, or 10,000 feet)."=*= 



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 ujDper 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 tine-grained cork, 

 whitish or grayish in 

 color, usually creamy 

 white, with irregularly 

 sinuous grayish ridges 

 „ --,,,.. •,, ,-N (Fig. 24) ; leaves of cone- 



PiG. 24.— BariLOt Abtes arisontca (natural size). v e yi 



bearing branches thick, 

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

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



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



