

BULLETINS OF THE BUREAU OF PLANT INDUSTRY. 



The scientific and technical publications of the Bureau of Plant Industry, which was organized July 1, 

 1901, are issued in a single series of bulletins, a list of which follows. 



Attention is directed to the fact that the publications in this series are not for general distribution. The 

 Superintendent of Documents, Government Printing Office, Washington, D. C, is authorized by law to 

 sell them at cost, and to him all applications for these bulletins should be made, accompanied by a postal 

 money order for the required amount or by cash. Numbers omitted from this list can not be furnished. 



No. 2. Spermatogenesis and Fecundation of Zamia. 1901. Price, 20 cents. 



3. Macaroni Wheats. 1901. Price, 20 cents. 



4. Range Improvement in Arizona. 1901. Price, 10 cents. 



8 A Collection of Fungi Prepared for Distribution. 1902. Price, 10 cents. 

 9. The North American Species of Spartina. 1902. Price, 10 cents. 



10. Records of Seed Distribution, etc. 1902. Price, 10 cents. 



11. Johnson Grass. 1902. Price, 10 cents. 



13. Range Improvement in Central Texas. 1902. Price, 10 cents. 



14. The Decay of Timber and Methods of Preventing It. 1902. Price, 55 cents. 



15. Forage Conditions on Northern Border of Great Basin. 1902. Price, 15 cents. 

 17. Some Diseases of the Cowpea. 1902. Price, 10 cents. 



20. Manufacture of Semolina and Macaroni. 1902. Price, 15 cents. 



22. Injurious Effects of Premature Pollination. 1902. Price, 10 cents. 



23 Berseem: The Great Forage and Soiling Crop of Nile Valley. 1902. Price, 15 cents. 



24. Unfermented Grape Must. 1902. Price, 10 cents. 



25. Miscellaneous Papers. 1903. Price, 15 cents. 



27 Letters on Agriculture in the West Indies, Spain, and the Orient. 1902. Price, 15 cents. 

 29. The Effect of Black-Rot on Turnips. 1903. Price, 15 cents. 



31. Cultivated Forage Crops of the Northwestern States. 1902. Price, 10 cents. 



32. A Disease of the White Ash. 1903. Price, 10 cents. 



33. North American Species of Leptochloa. 1903. Price, 15 cents. 



35. Recent Foreign Explorations. 1903. Price, 15 cents. 



36. The " Bluing" of the Western Yellow Pine, etc. 1903. Price, 30 cents. 



37. Formation of Spores in Sporangia of Rhizopus Nigricans, etc. 1903. Price, 15 cents. 



38. Forage Conditions in Eastern Washington, etc. 1903. Price, 15 cents. 



39. The Propagation of the Easter Lily from Seed. 1903. Price, 10 cents. 



41. The Commercial Grading of Corn. 1903. Price, 10 cents. 



42. Three New Plant Introductions from Japan. 1903. Price, 10 cents. ' 



43. Japanese Bamboos. 1903. Price, 10 cents. 



47. The Description of Wheat Varieties. 1903. Price, 10 cents. 



48. The Apple in Cold Storage. 1903. Price, 15 cents. 



49. The Culture of the Central American Rubber Tree. 1903. Price, 25 cents. 



50. Wild Rice: Its Uses and Propagation. 1903. Price, 10 cents. 



51. Miscellaneous Papers. 1905. Price, 5 cents. 

 54. Persian Gulf Dates. 1903. Price, 10 cents. 



59. Pasture, Meadow, and Forage Crops in Nebraska. 1904. Price, 10 cents. 



60. A Soft Rot of the Calla Lily. 1904. Price, 10 cents. 



61. The Avocado in Florida. 1904. Price, 5 cents. 



62. Notes on Egyptian Agriculture. 1904. Price, 10 cents. 



67. Range Investigations in Arizona. 1904. Price, 15 cents. 



68. North American Species of Agrostis. 1905. Price, 10 cents. 



69. American Varieties of Lettuce. 1904. Price, 15 cents., 



70. The Commercial Status of Durum Wheat. 1904. Price, 10 cents. 



71. Soil Inoculation for Legumes. 1905. Price, 15 cents. 



72. Miscellaneous Papers. 1905. Price, 5 cents. 



73. The Development of Single-Germ Beet Seed. 1905. Price, 10 cents. 



74. The Prickly Pear and Other Cacti as Food for Stock. 1905. Price, 5 cents. 



75. Range Management in the State of Washington. 1905. Price, 5 cents. 



76. Copper as an Algicide and Disinfectant in Water Supplies. 1905. Price, 5 cents. 



77. The Avocado: A Salad Fruit from the Tropics. 1905. Price, 5 cents. 



79. Variability of Wheat Varieties in Resistance to Toxic Salts. 1905. Price, 5 cents. 



80. Agricultural Explorations in Algeria. 1905. Price, 10 cents. 



81. Evolution of Cellular Structures. 1905. Price, 5 cents. 



82. Grass Lands of the South Alaska Coast. 1905. Price, 10 cents. 

 .83. The Vitality of Buried Seeds. 1905. Price, 5 cents. 



84. The Seeds of the Bluegrasses. 1905. Price, 5 cents. 



85. Principles of Mushroom Growing and Mushroom Spawn Making. 1905. Price, 10 cents. 



86. Agriculture without Irrigation in the Sahara Desert. 1905. Price, 5 cents. 



88. Weevil-Resisting Adaptations of the Cotton Plant. 1906. Price, 10 cents. 



89. Wild Medicinal Plants of the United States. 1906. Price, 5 cents. 



90. Miscellaneous Papers. 1906. Price, 5 cents. 



91. Varieties of Tobacco Seed Distributed, etc. 1906. Price, 5 cents. 



94. Farm Practice with Forage Crops in Western Oregon, etc. 1906. Price, 10 cents. 



95. A New Type of Red Clover. 1906. Price, 10 cents. 



[Continued on page 3 of cover.] 

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