18 



Luther Burbank's Late Introductions 



The Royal Black Walnut in Foliage. 



Sixteen years old; height, 100 feet; spread of limbs, 54 

 feet; trunk, 3 feet from the ground, 3 feet in diameter. 



Seedlings versus Grafted Trees. The Royal Walnut was selected from thous- 

 ands of seedlings raised by Mr. Burbank as the thriftiest tree in the lot at the 

 time he was experimenting in the development of a rapid-growing tree for tim- 

 ber purposes. The very fact that the scions from which our trees are grown, were 



