WALNUTS 195 



soil of the acid reaction type the trees grow more 

 slowly than elsewhere, but on Long Island every- 

 thing has plenty of time at its disposal. 



CALIFORNIA WALNUT 



The California black walnut, Juglans californica, 

 corresponds rather closely to the eastern black wal- 

 nut, excepting that it is a much smaller tree. The 

 wild nuts have sufficient value to make their collec- 

 tion for market purposes in small quantities worth 

 while. The tree belongs to the California coast re- 

 gion, and was formerly used there extensively as 

 grafting stock for the Persian walnut. The larger 

 size of the eastern black walnut tree and the fact 

 that it seems to thrive as well on the Pacific coast 

 as it does on the Atlantic coast has caused the eastern 

 tree to be chosen lately for grafting stock. 



BUTTERNUT 



Among our native walnuts which have market 

 value the butternut, Juglans cinerea, has been the 

 more highly esteemed, perhaps, on the whole, iui 

 home use and foi the wayfarer. The rough shell 

 of the nut and comparatively small size of the kernel 

 have kept the market price low and the demand 

 limited. Hybrid forms of the butternut are now 

 being developed in such a way that we may even- 

 tually have thin shelled nuts of large size carrying 

 desirable qualities of the butternut parent. The ma- 



