BULLETINS OF THE BUREAU OF PLANT INDUSTRY. 



ientific and technical publications of the Bureau of Plant Industry, which was 

 organized July I, L901, arc issued in a single series of bulletins, a list of \\ bich follows. 

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

 eral distribution. The Superintendent of Documents, Government Printing Office, 

 Washington, I>. ('., is authorized by law to sell them at cost, and to him all applica- 

 tions tor these bulletins should be made, accompanied l>y a postal money order for 

 the required amount or by cash. 



No. l. Relation of Lime and Magnesia to Plant Growth. L901. Price, 10 cents. 



2. Spermatogenesis and Fecundation of Zamia. L901. Price, 20 cents,, 



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



1. Range Improvement in Arizona. L901. Price, LOcents! 



ds and Plants Imported. Inventory No. 9. 1902. [Exhausted.] 

 <;. A List of American Varieties of Peppers. L902. Price, 10 cents. 

 7. The Algerian Durum Wheats. 1902. Pricej 15 cents. 



\ Collection of Fungi Prepared for Distribution. Ihiil'. [Exhausted.] 

 9. The North American Species of Spartina. L902. Price, 10 cents. 



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



1 1. Johnson Lira-. 1902. Price, 10 cents. 



12. stock Ranges of Northwestern California. 1902. Price, L5 cents. 



13. Range Improvement in Central Texas, 1902. Price, LOcents. 



1 1. Decay of Timber and Methodsof Preventing It. L902, [Exhausted;.] 



i.">. Forage Conditions on the Border of the Great Basin. L902. Price, L5 cents. 



16. < ierminati f the Spores of Agaricus Campestris, etc. 1902. [Exhausted.] 



17. S Diseases of the Cowpea. L902. Price, L0 cento 



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



19. Kentucky Bluegrass Seed. L902. [Exhausted.] 



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



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



22. (njurii J Premature Pollination. 1902. Price. 10 cento. 

 23 Berseem. L902. [Exhausted.] 



24. (Jnfermented Grape Must. Phil'. Price, 10 cents. 



25. Miscellaneous Papers. 1903. Price. [5 cents. 



26. Spanish Almonds. 1902. [Exhausted.] 



27. I riculture in the West Indies, Spain, etc. 1902. Price,' 15 cents. 



28. The Mango in Porto Rico. 1903.' [Exhausted.] 



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



30. Budding the Pecan. 1902. Price. Pi cent-. 



31. Cultivated Fo if the Northwestern States. 1902. Price, 10 cental 



\ Disease of the While Ash. 1903. Price, in cents. 



33. North American Species of Leptochloa. 1903. Price. I i cents. 



34. silkworm P 1 Plants. 1903. Price, 15 cents. 



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



Bluing" of the Western Yellow Pine, etc. L903. Price, 30 cento. 

 37. Pom iat ion of the Spores of the Sporangia of Rhizopus Nigricans and of Phyco- 



myces Nitens. 1^03. 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. 



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



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



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

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



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



45. Physiological E<Me of Mineral Nutrients in Plants. 1903. Price, 5 cents. 



46. Propagation of Tropical Fruit Trees, etc. 1903. [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. Price, 25 cents. 



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



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



[Continued on page 3 ot cover.] 

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