THE WALNUT. 235 



it is sometimes cultivated), growing to the hight of 

 forty to sixty feet, and two to four feet in diameter ; 

 ranging southward to Santa Barbara, and eastward 

 through southern Arizona to New Mexico and Sonora 

 (Thurber, "Botany of California 7 '). This species has 

 been considered by some botanists as only a variety of 

 the next, or Juglans rupestris, var. Major, Torrey. 

 Scarcely hardy in the latitude of 

 New York city, except an occasional 

 seedling from nuts gathered along 

 the northern limits of the species, 

 or from the cooler elevated regions 

 of the Pacific slope. It is of no 

 special value, only adding one more 

 edible nut tree to the list. JUGLANS CALIFORNIA. 



JUGLANS EUPESTRIS, Engelmaim. Texas Walnut. 

 New Mexico Walnut. Leaflets thirteen to twenty-five, 

 smooth, bright green, small, narrow, and long-pointed ; 

 male catkins short, or about two inches long, and quite 

 slender ; fruit round or oblate ; husk 

 thin, nearly smooth ; nut small, one- 

 half to three-fourths of an inch in 

 diameter ; shell very thick, rather 

 deeply furrowed, the narrow grooves on 

 the greater part continuous from base 

 to apex, the broad edges of the ridges 



SmO th ' 110t J a gg ed aS in tlie 



PIG. 84. JUGLANS 



RL-PESTRIS, SHOW- and black walnut. Kernel sweet and 

 ING SMALL KERNEL. g 0od? ^nt so small (Fig. 84) as not to 

 be worth the trouble of extracting. A small and neat tree 

 twenty to forty feet high, native of the bottom lands of 

 the Colorado in Texas, and throughout the western part 

 of the State, extending through southern and central 

 New Mexico to Arizona. In New Mexico it reaches an 

 elevation of seven or eight thousand feet, though the 

 climate is often severe, the temperature dropping to zero 



