BULLETINS OF THE BTJIIEATJ OF PLANT INDUSTRY. 



The scientific and technical publications of the Bureau of Plant Industry, which was 

 organized Jul}' 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, Goveinment Printing Office, Washington, 

 D. C, is authorized by law to sell them at cost, and to hhii 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 Fecimdation of Zamia. 1901. Price, 20 cents. 



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



4. Range Improvement in Arizona. 1902. Price, 10 cents. 



5. Seeds and Plants Imported. Inventory No. 9. 1902. Price, 10 cents. 



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 prPreventing It. 1902. Price, 55 cents. 



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



16. Germmation of the Spores of Agaricus Campestris, etc. 1902. Price, 10 cents. 



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



18. Observations on the j\Iosaic Disease of Tobacco. 1902. Price, 15 cen's. 



19. Kentucky Bluegrass Seed. 1902. Price, l£l cents. 



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



21. List of American Varieties of Vegetables. 1903. Price, 35 cents. 



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



23. Berseem. 1902. Price, 10 cents. 



24. Unfermented Grape Mus^ 1202. Price, 10 cents. 



25. Miscellaneous Papers: I. The Seeds of Rescue Grass and Chess. II. SaragoUa 



Wheat. III. Plant Introduction Notes from South Africa. IV. Congressional 

 Seed and Plant Distribution Circulars. 1903. Price, 15 cents. 



26. Spanish Almonds. 1902. Price, 15 cents. 



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



28. The Mango in Porto Rico. 1903. Price, 15 cents. 



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 Plants. 1903. Price, 15 cents. 



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



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



37. Formation of the Spores of the Sporangia of Rhizopus Nigiicans 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 ft-om Seed. 1903. Price, 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. Price, 10 cents. 



[Continued on page 3 of cover.] 



