106 ECONOMIC WOODS OF THE UNITED STATES 



'■"Pinus sabiniana: 



Shinn, Chaki.es H. : Economic Possibilities of Pinus sabiniana. Proc. 

 Soc. Am. Foresters, Vol. VI, No. 1, 1911, pp. 68-77. 



^'^Pinus virginiana: 



Stekrbtt, W. D.: Sciub Pine. Bui. 94, U. S. Forest Service, 1911. 

 ^'Pinus ponderosa: 



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. 



'■'Pseudotsuga taxifolia: 



Cline, McGarvey, and Knapp, J. B.: Properties and Uses of Douglas Fir. 

 Bui. 88, U. S. Forest Service, 1911. 



Frothingham, E. H.: Douglas Fir: A Study of the Pacific Coast and 

 Rocky Mountain Forms. Cir. 150, TJ. S. Forest Service. 



^*Spruce: 



HoDSON, E. R., AND Foster, J. H.: Engehnann Spruce in the Rocky 

 Mountains. Cir. 170, U. S. Forest Service, Washington, D. C, 1910. 



Jeffrey, Edward C. : The Comparative Anatomy and Phylogeny of the 

 Coniferales, Part II, Abietineae. Mem. Boston Soc. Nat. History, Vol. VI, 

 No. 1, Boston, 1905. 



Bastin, E. S., and Trimble, H.: A Contribution to the Knowledge of 

 North American Coniferae. Amer. Journal Pharm., Vol. LXVIII, No. 8, 

 1896, pp. 409-422. 



^^Sequoia: 



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

 the United States. I. Cedars, Cypresses, and Sequoias. Bui. 95, U. S. Forest 

 Service, 1911, pp. 57-62. 



Jeffrey, Edward C: The Comparative Anatomy and Phylogeny of the 

 Coniferales. Part I, The Genus Sequoia. Mem. Boston Soc. Nat. History, 

 Vol. V, No. 10, pp. 441^59. 



Jeffrey, Edward C: A Fossil Sequoia from the Sierra Nevada. Bot. 

 Gaz., Vol. XXXVIII, No. 5, pp. 321-332. 



"Sequoia washingtoniana: 



A Short Account of the Big Trees of CaUfomia. Bui. 28, U. S. Div. 

 Forestry, 1910. 



"Seqwda sempervirens: 



Fisher, Richard T., et al: The Redwood. Bui. 38, U. S. Bu. Forestry, 

 1903. 



Gordon, Maejorie : Ray Tracheids in Sequoia sempervirens. New Phy- 

 tologist, Vol. XI, No. 1, Jan. 1912, pp. 1-7. 



^'Lihocedrus decurrens: 



Hall and Maxwell: loc. cit., pp. 31-33. 

 ^'Juniper:. Cedar: 



Hall and Maxwell: loc. cit., pp. 11-31. 



