BULLETINS OF THE BUREAU OF PLANT INDUSTRY. 



The scientilic and 1-ccluiical publications of the Bureau of Plant Industry, which was 

 organized July 1, 1901, are issued in a single scries of bulletins, a list of which follows. 



Attention is directed to the fact that the publications in this series are not for general dis- 

 tribution. 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. 

 No. 1. 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 Ai'izona. 1902. Price, 10 cents. 



5. Seeds and Plants Imported. Inventory No. 9. 1902. [Out of print.] 



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



7. The Algerian Durum Wheats. 1902. Price, 1.5 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. 



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



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



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



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



16. Germination of tlie Spores of Agaricus Campestris, etc. 1902. [Out of print.] 



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



18. Observations on the Mosaic Disease of Tobacco. 1902. Price, 15 cents. 



19. Kentucky Bluegrass Seed. 1902. Price, 10 cents. 



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



21. List of American Varieties of Vegetables. 1903. [Out of print.] 



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



23. Berseem. 1902. [Out of print.] 



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



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

 2G. Spanish Almonds. 1902. [Out of print.] 



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



28. The Mango in Porto R-ico. 1903. [Out of print.] 



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 ceuts. 



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



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



35. Recent Foreign E.xplorations. 1903. Price, 15 cents. 



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



37. Formation of the Spores of the Sporangia of Rhizopus Nigricans and of Phyco- 



myces 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 cenls. 



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



41. The Commercial Grading of Corn. 1S03. 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. Physiological Ro'.e of Mineral Nutrients in Plants. 1903. Price, 5 cents. 



46. Propagation of Tropical Fruit Trees, etc. 1903. Price, 10 cents. 



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



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



49. 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. . , , <-. n 



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



trichum Glocosporioides. 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. 



[Continued on page 3 of cover.] 

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