[.Continued ttdm p, 2 oPx-over.] 



No. IS. ( Observations on the Mosaic Disease of Tobacco. 1902. Price, I. ~> cents. 



19. Kentucky Pluegrass Seed: Harvesting, Curing, aild Gleaning. 1902. Price, 



: 10 cents. 



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



21. List of American Varieties of Vegetables for the Years 1901 and 1902. 1903. 



Price, 35 cents. 

 22; injurious Effects of Premature Pollination; with General Notes on Artificial 

 Pollination and the Setting of Fruit Without Pollination. 1902. Price, 10 

 cents. 



23. Berseem: The Great Forage and Soiling Crop of the Nile Valley. 1902. 



Price, 15 cents. 



24. The Manufacture and Preservation of Infermented Grape Must. 1902. 



Price, 10 cents. 



25. Miscellaneous Papers: I. The Seeds of Rescue Grass and Chess. 11. Saragolla 



Wheat. III. Plant Introduction Notes from South Africa. IV. Congres- 

 sional Seed and Plant Distribution Circulars, 1902-190:!. 1903. Price, 15 

 cents. 



2ti. Spanish Almonds and Their Introduction into America. 1902. Price, 15 

 cents. 



27. Letters on Agriculture in the West Indies, Spain, and the < )rieht. [In press.] 



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



29. The Effect of Black Rot on Turnips: A Series of Photomicrographs, Accom- 



panied by an Explanatory Text. 1903. Price, 15 cents. 



30. Pudding 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 Caused by Polypoms Fraxinophilus. 1903. 



Price, 10 cents. 

 :;.">. North American Species of Peptochloa. 1903. Price, 15 cents. 



34. Silkworm Food Plants: Cultivation and Propagation. 1903. Price, 15 cents. 



35. Recent Foreign Explorations, as Bearing on the Agricultural Development of 



the Southern States. 1903. Price, 15 cents. 



36. The "Bluing" and the " Ped Rot" of the Western Yellow Pine, with Spe- 



cial Reference to the Black Hills Forest Reserve. 1903. Price, 30 cents. 



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

 .■ Phycomyees Nitens. 1903. Price, 15 cents. 



38. Forage Conditions and Prohlems '.n Eastern Washington; Eastern Oregon, 



Northeastern California, and Northwestern Nevada. 1903. Price, 15 cents. 



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



40. Cold Storage, with Special Peference to the Pear and Peach. 1003. [In 



press. ] 



41. The Commercial Grading of Corn. 190$. Price, 10 cents. 



42. Three New Plant Introductions from Japan. Price, id cents. 



43. Japanese Bamboos and Their Introduction into America. 1903. Price, 10 



cents. 



44. The Bitter Pot of Apples. 1903. Price, 15 cents. 



45. The Phys|plogicai Pole of Mineral Xulrients in Plants. Price, 5 cents. 

 4(i. The Propagation of Tropical Fruit Trees and Other Plants. [In press.] 



47. The Description of Wheat Varieties. 1903. [In press ] 



48. The Apple in Cohl Storage. 1903. [In press.] 



49. The Culture of the, Central American Rubber Tree. 1903. [In press.] 



