ECONOMIC "WOODS OF THE UNITED STATES 105 



REFERENCES 

 ^Pine: 



Bailey, Irving W. : The Structure of the Wood in the Pineae. Bot. Gaz., 

 Vol. XLVIII, July 1909, pp. 47-55. 



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

 Am. Naturahst, Vol. XLIV, May 1909, pp. 284-293. 



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

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



BtTRGEHSTEiN, Alfebd: Vergleichende anatomische Untersuchungen des 

 Fichten- und Larchenholzes. Denkschrift f. kaiserl. Acad, wissensch. Math.- 

 Natur. Classe, Vol. LIX, No. 6, 1894, pp. 214-215. 



^White Pine Group: 



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

 tribution, Quahty and Uses. For. Quarterly, Vol. IX, No. 2, 1911, pp. 219-231. 



^Pinus strobus: 



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

 ^PiniLS lambertiana: 



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 Piiion Pine. Bot. Gaz., Vol. XLVIII, Sept. 

 1909, pp. 216-223. 



Heller, A. A.: The Nut Pine. Muhlenbergia, Vol. V, 1909, pp. 31-35. 

 ^Southern Pines: 



Fernow, B. E. : Southern Pine: Mechanical and Physical Properties. 

 Cir. 12, U. S. Div. Forestry, 1896. 



MoHR, Charles, and Roth, Filibert: The Timber Pines of the Southern 

 United States, together with a Discussion of the Structures of their Wood. 

 Bui. 13 (rev. ed.), U. S. Div. Forestry, 1897. 



Betts, H. S. : Properties and Uses of the Southern Pines. Cir. 164, U. S. 

 Forest Service, 1909. 



''Pinus palustris: 



Fernow, B. E.: Timber Physios, Part II, Results of Investigations on 

 Longleaf Pine. Bui. 8, U. S. Div. Forestry, 1893. 



Bitting, Katherine G. : The Histological Difference between Pinus taeda 

 and Pinus palustris. Proc. Ind. Acad. Sci., IndianapoUs, Ind., 1908, pp. 

 127-129. 



^Pinus tceda: 



ZoN, Raphael: Loblolly Pine in Eastern Texas. Bui. 64, U. S. Forest 

 Service, 1905. 



Hatt, W. Kendrick: Second Progress Report on the Strength of Struc- 

 tural Timber. Cir. 115, U. S. Forest Service, 1907. 



'Pinus radiata: 



Albert, F. : El Pino de Monterei, Pinus insignus o mejor Pinus radiata. 

 Santiago de ChiU Min. Indust., 1908. 



