ECONOMIC WOODS OF THE UNITED STATES 109 



REFERENCES 

 l Pine: 



Bailey, Ikving W.: The Structure of the Wood in the Pine*. Bot. Gaz., 

 48:1:47-55, July 1909. 



Bailey, Irving W.: Anatomical Characters in the Evolution of Pinus. 

 Am. Nat., 44: 284-293, May 1910. 



Hall, William L., and Maxwell, Hu: Uses of the Commercial Woods 

 of the United States, II. Pines. Bui. 99, U. S. Forest Service, 1911. 



Burgerstein, Alfred: Vergleichende anatomische Untersuchungen des 

 Fichten- und Larchenholzes. Denkschrift f . kaiserl. Akad. Wissensch. Math.- 

 Natur. Classe, 59: 6: 214-215, 1894. 



White Pine Group: 



Rockwell, F. I.: The White Pines of Montana and Idaho: Their Distri- 

 bution, Quality and Uses. For. Quarterly, 9: 2: 219-231, June 1911. 



'Pinus strobus: 



Spalding, V. M.: The White Pine. Bui. 22, U. S. Div. Forestry, 1899. 



Detwiler, Samuel B.: The White Pine. Amer. For., 22: 271: 387-394, 

 July 1916. 



Winus lambertiana: 



Larsen, Louis T., and Woodbury, T. D.: Sugar Pine. Bui. 426, U. S. 

 Forest Service, 1916. 



Cooper, Albert W. : Sugar Pine and Western Yellow Pine in California. 

 Bui. 69, U. S. Forest Service, 1906. 



'Pinus edulis: 



Phillips, F. J.: A Study of Pifion Pine. Bot. Gaz., 48: 3: 216-223, Sept. 

 1909. 



Heller, A. A.: The Nut Pine. Muhlenbergia, 5: 31-35, 1909. 



e Pinus resinosa: 



Woolsey, Theodore S., Jr., and Chapman, Herman H.: Norway Pine 

 in the Lake States. Bui. 139, U. S. Forest Service, 1914. 



''Pinus contorta: 



Mason, D. T.: The Life History of Lodgepole Pine in the Rocky Moun- 

 tains. Bui. 154, U. S. Forest Service, 1915. 



Mason, D. T.: Utilization and Management of Lodgepole Pine in the 

 Rocky Mountains. Bui. 234, U. S. Forest Service, 1915. 



*Pinus ponderosa: 



Munger, Thornton T.: Western Yellow Pine in Oregon. Bui. 418, U. S. 

 Forest Service, 1917. 



Cooper, Albert W.: Sugar Pine and Western Yellow Pine in California. 

 Bui. 69, U. S. Forest Service, 1906. 



Woolsey, Theodore S., Jr. : Western Yellow Pine in Arizona and New 

 Mexico. Bui. 101, U. S. Forest Service, 1911. 



Zimmehmann, C. W.: Tests of Western Yellow Pine Car Sills, Joists, and 

 Small Clear Pieces. Bui. 497, U. S. Forest Service, 1917. 



