BULLETINS OF THE BUBEATJ OF PLANT INDUSTRY. 



The scientific and technical publications of the Bureau of Plant Industrj'^, which was organized July 

 1, 1901, are issued in a single series of bulletins, a hst of which follows: 



Attention is directed to the fact that the pul)lications 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 

 l)e furnished. , 



No. 1. The Relation of Lime and Magnesia to Plant Growth. 1901. Price, 10 cents. 



2. SpermattDgenesis and Fecundation of Zamia. 1901. Price, 20 cents. 



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



4. Range Improvement^n Arizona. 1901. Price, 10 cents. 



6. A List of American Varieties of Peppers. 1902. Price, 10 cents. 



7. The Algerian Durum Wheats. 1902. Price, 15 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. 



12. Stock Ranges of Northwestern California. 1902. Price, 15 cents. 



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

 15. Forage Conditions on the Border of the 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 Pollinatii)n. 1902. Price, 10 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, etc. 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. 



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



37. Formation of the Spores in the Sporangia of Rhizopus Nigricans and of Phycomyces Nitens. 



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. 



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



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



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



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



, 49. Culture of the Central American Rubber Tree. 1903. Prjce, 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. 



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



56. Nomenclature of the Apple. 1905. Price, 3p cents. 



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



58. The Vitality and Gennination of Seeds. 1904. Price, 10 cents. 



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

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



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



03. Investigations of Rusts. 1904. Price, 10 cents. 



04. A Method of Destroying or Preventing the Growth of Algic and Certain Pathogenic Bacteria 



in Water Supplies. 1904. Price, 5 cents. 

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



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



68. North American Species of Agrostis. J.905. Price, 10 cents. 



135 



[Continued on page 3 of cover.] 



