THE AUTHOR 



RICHARD T. BINGHAM is a research scientist with the Moscow, 

 Idaho, Forestry Sciences Laboratory research unit studying 

 genetics and pest resistance in northern Rocky Mountain 

 conifers. He has had broad experience in the pathology, 

 silviculture, and genetics of western white pine; also, he is 

 author of numerous publications on the genetics of blister 

 rust resistance, and on the genetics of western white pine. 



Cover Photo. — Growth differences are evident between this 20-year-old Si tree 



(62 X 62) No. 2 (left) and one of its 20-year-old half-sihs (62 X 62) 

 No. 2 (right) J at the Moscow Arboretum^ December 1972. 



