BULLETIN 231] 



WALNUT CULTURE IN CALIFORNIA. 



139 



both sides to its northern extremity near Hueneme. The tree is abund- 

 ant along both branches of the Southern Pacific Railroad between Bur- 

 bank and Ventura and in the intervening country. That is to say, it 

 occurs in the vicinity of Chatsworth, Simi, and Moorpark, in the hills 

 north of the latter places, in the next valley north near Newhall and 

 on down the valley through Camulos, Fillmore and Santa Paula, and 

 in the foothills to the north of this valley (Santa Clara Valley of the 



FIG. 7. Native southern California black walnuts, Brea Canon. 



south). Going farther north, the tree is not seen near the railroad, 

 but is abundant in the foothills up into the Ojai Valley back of Ven- 

 tura, and scattered along the foothill range back of Ventura and Car- 

 pinteria, north of which point near Santa Barbara the species begins 

 to grow scarce. Mr. C. W. Beers states that Mr, Ellwood Cooper has 

 pointed out to him trees which were undoubtedly growing wild in the 

 canons back of Mr. Cooper's ranch some twenty miles north of Santa 

 Barbara. From this point north we know of no well authenticated 



