THE WALNUT. 



231 



half black walnuts, the true hybrid being only 

 reproduced by grafting 

 on a thrifty young Ju- 

 glans Californica. 



"Another handsome 

 novelty in shade trees, 

 is a hybrid from the 

 Juglans nigra, or well- 

 known Eastern black 

 walnut, and J. Calif or - 

 nica (Figs. 78 and 79). 

 It makes a charmirg 

 ornamental tree, and 

 bears, in its season, a 

 prolific crop of unusually 

 large nuts, which have 

 little value except in the 

 eyes of school children. 

 Several of these hybrids 

 are growing in Santa 

 Eosa, and present an in- 

 teresting study to the 

 pomologist. 



"A still more unique 

 species of the walnut 

 genus is the Juglans Sie- 

 loldiana, a, Japanese wal- 

 nut which grows abun- 

 dantly in the mountain- 

 ous districts of the island 

 of Yesso, and also in the 

 more southern divisions 

 of the empire. Several 

 of these remarkable trees 

 are to be found in the FIG. 80. JUGLANS SIEBOLDIANA RACEME. 

 Kew gardens, but only one specimen is said to be grow- 



