72 DISEASES OF DECIDUOUS FOKEST TREES. 



83. Schrenk, H. von. Diseases of the hardy catalpa. Bur. Forestry, U. S. Dept. 



Agr., Bui. 37: 49-58, pis. 20-30, 1902. 



84. A disease of the white ash caused by Polyporus fraxinophilus. Bur. 



Plant Industry, U. S. Dept. Agr., Bui. 32: 1-20, pis. 1-5, 1903. 



85. - — Recent progress in timber preservation. U. S. Dept. Agr., Yearbook 



for 1903, pp. 427-440, 1904. Reprinted in Ind. State Board of Forestry Rept. 

 4: 64-78, 1904. 



86. Report on the condition of treated timbers laid in Texas, February, 1902. 



Bur. Forestry, U. S. Dept. Agr., Bui. 51: 13-37, 1904. 



87. Constriction of twigs by the bag worm and incident evidence of growth 



pressure. Mo. Bot. Garden, Rept. 17: 153-181, pis. 20-26, 1906. 



88. On frost injuries to sycamore buds. Mo. Bot. Garden, Rept. 18: 81-83, 



pi. 7, 1907. 



89. - - Branch cankers of Rhododendron. Mo. Bot. Garden, Rept. 18: 77-80, 



pis. 5-6, 1907. 



90. Sap-rot and other diseases of the red gum. Bur. Plant Industry, U. S. 



Dept. Agr., Bui. 114: 1-34, pis. 1-8, 1907. 



91. and Hill, Reynolds. Seasoning of timber. Bur. Forestry, U. S. Dept. 



Agr., Bui. 41: 1-48, pis. 1-18, 1903. 



92. Schuman, K., and Lauterbach, K. Die Flora der deutschen Schutzgebiete in 



der Siidsee, p. 42, 1901. 



93. Simpson, J. M. Osier culture. Bur. Forestry, U.S. Dept. Agr., Bui. 19: 18-20, 



1898. 



94. Spaulding, Perley. A disease of black oaks caused by Polyporus obtusus, Berk. 



Mo. Bot. Garden, Rept. 16: 109-116, pis. 13-19, 1905. 



95. Heart rot of Sassafras sassafras caused by Fomes ribis. Science, n. s., 



26: 479-480, 1907. 



96. Stone, G. E. Injuries to shade trees from electricity. Mass. (Hatch) Agr. Expt. 



Sta., Bui. 91: 1-21, 1903. ' 



97. Mass. (Hatch) Agr. Expt. Sta., Rept. 19: 180-185, 1907. 



98. Sud worth, G. B. Nomenclature of the arborescent flora of the United States. 



Div. Forestry, U. S. Dept. Agr., Bui. 14: 1-419, 1897. 



99. Check list of the forest trees of the United States. Div. Forestry, U. S. 



Dept. Agr., Bui. 17: 1-144, 1898. 



100. Trelease, William. Harriman Alaska Expedition, cryptogamic botany, 5: 1-54, 



pis. 2-7, 1904. 



101. Tubeuf, Carl von. Beitrage zur Kenntniss der Baumkrankheiten, pp. 1-61, 



pis. 1-5, 1888. 



102. Diseases of plants induced by cryptogamic parasites. Translated by 



Wm. G. Smith, pp. 1-598, 1897. 



103. Tuzson, J. Anatomische und mykologische Untersuchungen uber die Zerset- 



zung und Conservierung des Rothbuchenholzes. Math. u. Naturwiss. Ber. aus 

 Ungarn., 19: 242-282, 1903. 



104. Waite, M. B. Experiments with fungicides in the removal of lichens from pear 



trees. Jour. Myc, 7: 264-268, pis. 30-31, 1893. 



105. Waugh, F. A. Lichens on fruit trees. Meehan's Monthly, 8: 173, fig. 1, 1898. 



106. - — Lichens on plum trees. Vt. Agr. Expt. Sta. Rept., pp. 289-290, 1898. 



107. Webber, H. J. The two freezes of 1894-95 in Florida, and what they teach. 



U. S. Dept. Agr., Yearbook for 1895, pp. 159-174, 1896. 



108. Weiss, H. F. The preservative treatment of fence posts. Forest Service, U. S. 



Dept. Agr., Circ. 117: 1-15, 1907. 



109. Widtsoe, Jno. A. The relation of smelter smoke to Utah agriculture. Utah 



Agr. Expt. Sta., Bui. 88: 147-179, 1903. 

 149 



