BULLETINS OF THE BUREAU OE PLANT INDUSTRY. 



The scientific and technical publications of the Bureau of riant 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 bul- 

 letins should be made, accompanied by a postal money order for the required amount or 

 by cash. 

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



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. 



5. Seeds and Plants Imported. Inventory No. 9. 1902. [Exhausted.] 



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



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



S. A Collection of Fungi Prepared for Distribution. 1902. [Exhausted.] 



9. The North American Species of Spartina. 1902. Trice, 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. 



14. The Decay of Timber and Methods of Preventing It. 1902. [Exhausted.] 



15. Forage Conditions on the Border of the Great Basin. 1902. Trice. 15 cents. 



16. Germination of the Spores of Agaricus Campestris, etc. 1902. [Exhausted.] 



17. Some Diseases of the Cowpea. 1902. Price, 10 <?ents. 



18. Observations on the Mosaic Disease of Tobacco. 1902. [Exhausted.] 



19. Kentucky Bluegrass Seed. 1902. [Exhausted.] 



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



21. List of American Varieties of Vegetables. 1903. [Exhausted.] 



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



23. Berseem. 1002. [Exhausted.]- 



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



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



26. Spanish 'Almonds. 1902. [Exhausted.] 



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



28. The Mango in Torto Rico. 1903. [Exhausted.] 



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



30. Budding the Pecan. 1902. Price, 10 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. 



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



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



36. The " Bluing " of the Western Yellow Tine, etc. 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 C/onditions in Eastern Washington, etc. 1903. Price, 15 cents. 



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



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



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



42. Three New Plant Introductions from Japan. 1903. [Exhausted.] 



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



44. The Bitter-Rot of Apples. 1903. [Exhausted.] 



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



46. Propagation of Tropical Fruit Trees, etc. 190:!. [Exhausted.] 



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. Trice, 25 cents. ? 



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



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



52. Wither-Tip and Other Diseases of Citrus Trees and Fruits Caused by Colleto- 



trichum Gloeosporioides. 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. Trice, 30 cents. 



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



119 [Continued on page 3 of cover.] 



