16 



Luther Burbank's Late Introductions 



THE LUMBER TREE OF THE FUTURE 



THE NEW HYBRID 



THE ROYAL BLACK WALNUT 



Juglans nigra X Juglans Californica. 



Eastern Black 



Royal Hybrid 



Cal. Native Black 



OF all the forest trees adapted to the making of high-grade lumber in this 

 country, not one posesses a greater commercial value than the Black Walnut 

 (Juglans nigra), nor is there another tree which has so ruthlessly been cut away 

 from the landscape of its native habitat. The rich forests of the upper Mississ- 

 ippi Valley are practically exhausted, with the result that its lumber now possesses 

 the highest value in the American markets. Indeed, its value makes it prohibitive 

 to a large extent for the purposes to which it was originally used in the manufac- 

 ture of furniture and interior house finishing. The result is that it is now exten- 

 sively used as a veneer face to other and cheaper woods. The old tree is a slow 

 grower, which fact has somewhat retarded reforestation and planting for pur- 

 poses of lumber. 



