[Continued from page 2 of cover.] 



No. 33. North American Species of Leptochloa. 1903. Price, 15 cents. 



34. Silkworm Food Plants. 1903. Price, 15 cents. 



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



36. The "Bluing" and the "Red Rot" of the Western Yellow Pine, with Spe- 



cial Reference to the Black Hills Forest Reserve. 1903. Price, 30 cents. 



37. Formation of the Spores in the Sporangia of Rhizopus Nigricans and of Phy- 



comyces Nitens. 1903. Price, 15 cents. 



38. Forage Conditions and Problems in Eastern Washington, Eastern Oregon, 



etc" 1903. Price, 15 cents. 



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



40. Cold Storage, with Reference to the Pear and Peach. 1903. Price r 15 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. 



44. The Bitter Rot of Apples. 1903. Price, 15 cents. 



45. The Physiological Role of Mineral Nutrients in Plants. 1903. Price, 5 



cents. 



46. The Propagation of Tropical Fruit Trees and Other Plants. 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 TJsfes and. Propagation. 1903. Price, 10 cents. 



51. Miscellaneous Papers: I. The Wilt Disease of Tobacco and Its Control. 



II. The Work of the Community Demonstration Farm at Terrell, Tex. 



III. Fruit Trees Frozen in 1904. IV. The Cultivation of the Australian 

 Wattle. V. Legal and Customary Weights per Bushel of Seeds. VI. 

 Golden Seal. 1905. Price, 5 cents. 



52. Wither-Tip and Other Diseases of Citrous Trees and Fruits Caused by Colle- 



totrichum Glceosporioides. 1904. Price, 15 cents. 



53. The Date Palm. 1904. Price, 20 cents. 



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



55. The Dry Rot of Potatoes. 1904. Price, 10 cents. 



56. Nomenclature of the Apple. 1905. Price, 30 cents. 



57. Methods Used for Controlling Sand Dunes. 1904. Price, 10 cents. 

 The Vitality and Germination of Seeds. 1904. Price, 10 cents. 



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



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



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



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



63. investigations of Rusts. 1904. Price, 10 cents. 



64. A Method of Destroying or Preventing the Growth of Algae and Certain 



Pathogenic Bacteria in Water Supplies. 1904. Price, 5 cents. 



65. Reclamation of Cape Cod Sand Dunes. 1904. Price, 10 cents. 



66. Seeds and Plants Imported. Inventory No. 10. 1905. Price, 20 cents. 



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

 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: I. Cultivation of Wheat in Permanent Alfalfa Fields. 



II. The Salt Water Limits of Wild Rice. III. Extermination of Johnson 

 Grass. IV. Inoculation of Soil with Nitrogen-Fixing Bacteria. 1905. 

 Price, 5 cents. 



73. The Development of Single-Gerrn 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. 



78. Improving the Quality of Wheat. [In press.] 



79. The Variability of Wheat Varieties in Resistance to Toxic Salts. [In press.] 



80. Agricultural Explorations in Algeria. [In press.] 



81. Evolution of Cellular Structures. [In press.] 



82. Grass Lands of the South Alaska Coast. [In press.] 



