BIO DEPARTMENTAL REPORTS. 



DIVISION OF VEGETABLE PHYSIOLOGY AND PATHOLOGY. 



Copies. 



Peach Leaf Curl: Its Nature and Treatment. By Newton B. Pierce, in 

 Charge of Pacific Const Laboratory, Santa Ana, Cal. Pp. 204, pis. 80, 

 figs. 10. Bulletin No. 20. July, 1900. Price, 20 cents ... 1, 000 1 



The Cause and Prevention of Pear Blight. By M. B. Waite, Assistant, 

 Division of Vegetable Physiology and Patho'ogy, U. S. Department of 

 Agriculture Pp. 295-300, reprinted from Yearbook of the Department 

 of Agriculture for 1895. ( Reprint. ) July, 1900 . . . . 5, 000 



Progress in the Treatment of Plant Diseases in the United States. By 

 B. T. Ga loway, Chief of Division of Vegetable Physiology and Pathol- 

 ogy. Pp. iii, 191-199, re: rinted irom Yearbook of Department of Agri- 

 culture lor 1899. August, 190). . . 8,000 



Progress of Plant Breeding in the United States. By Herbert J. Webber 

 and Ernst A. Bessey, Division of V egetable Physiology and Pathology. 

 Pp. iii, 465-490, pis. 3, figs. 2, reprinted from Yearbook of Department 

 of Agriculture for 18i)9. August, 1900 ._ .. 3, 000 



Progress of Commercial Growing of Plants Und* r Glass. By B. T. Gallo- 

 way, Chief of Division of Vegetab e Physiology and Pathology. Pp. 

 iii, 575-520, reprinted from Yearbook of Department of Agriculture for 

 1899. August, 1900 . .. 6,000 



Two Diseases of Red Cedar, Caused by Polyporus juniperinus n. sp. and 

 Polyporus carneas Nees. A Preliminary Report by Hermann von 

 Schrenk, Instructor in Botany, Henry Shaw School of Botany, Special 

 Agent, Division of Vegetable Physiology and Patho'ogy. Pp. 27, pis. 7, 

 figs. 3. Bulletin No. 21. September, lfe'Ott. Price, 1 cents 5, 000 



Xenia, or the mmed:ate Effect of Pollen, in Make. By Herbert J. Web- 

 ber, in Charge of Plant Breeding Laboratory. Pp. 14, pis. 4. Bulletin 

 No. 22. September, H 00. Price, H) cents .". 2,500 



Peach Yellows and Peach Rosette. By Erwin F. Smith, Special Agent, 

 under the Direction of B. T. Galloway, Chief of the Division of Vege- 

 table Patho ogy. Pp. 20, figs. 7. Farmers' Bulletin No. 17. (Reprint.) 



September, 1 00 5,000 



Reprint, February, 1901 15,000 



Spot Disease of the Violet (Alternariaviolce n. sp.). By P. H. Dorsett, 

 Associate, Division of Vegetable Physiologv and Pathology. Pp. 16, 

 pis. 7. Bulletin No. 28. November, 1900. Price, 10 cents 2, 500 



The Basis for the Improvement of American Wheat. By Mark Alfred 

 Carleton, Cereaiist, Division of "vegetable Phys ology and Pathology. 

 Pp. 87, frontispiece, pis. 10, f gs. 5. Bulletin No. 24. December, 1900. 



Price, 10 cents ..... i 2,000 



Reprint, March, 1901 1, 500 



Some Diseases of New England Conifers: A Preliminary Report. By Her- 

 mann von Schrenk, Instructor in Botany, Henry Shaw School of Bot- 

 any, Special Agent Division of Vegetable Physiology and Pathology. 

 Pp. 56, pis. 15, figs. 3. Bulletin No. 25. December, 1900. Price, i0 

 cents 2, 000 



The Wilt Disease of Cotton and Its C ontrol. By W. A . Orton, Associate 

 Pathologist. Pp. 16, pis. 4. Bulletin No. 27. December, 1900. Price, 

 5 cents... 4,000 



Report of the Chief of the Division of Vegetable Physiology and Pathology 

 for 1900. By B. T. Galloway. Pp. ii, 49-58, irom Annual Reports, 

 Department of Agriculture, 1900. January. 1.01 . 500 



Spraying lor Fruit Diseases. By B. T. Galloway, Chief of Division of 

 Vegetable Physiology and Pathology. Pp. 12, figs. 6. Farmers' Bulle- 

 tin No. 38. (Reprint.) January, 1901 . . .. ... 20,000 



Potato Diseases and Their Treatment. By B, T. Galloway, Chief, Divi- 

 sion of Vegetable Physiology and Pathology. Pp. 12, figs. 4. Farmers' 



Bulletin No. 91. (Reprint.) January, 1901 20,000 



Reprint, May, 1901 _ 20,000 



Wakker s Hyacinth Germ, Pseudomonas hyacinthi ( Wakker). By Erwin 

 F. Smith, in Charge of Laboratory of Plant Pathology. Pp. 45, pi. 1, 

 figs. 6. Bulletin No. 2o. February, 1901. Price,5cents 2,700 



Grape Diseases on the Pacific Coast. By Newton B. Pierce, Division of 

 Vegetable Physiology and Pathology. Pp. 15, figs. 3. Farmers' Bulle- 

 tin No. 30. (Reprint.) April, 1901 .... 10,000 



Peach Growing for Market. By Erwin F. Smith, Division of Vegetable 

 Physiologv and Pathology. Pp. 24, figs. 21. Farmers' Bulletin No. 33. 

 April, 1901 30,000 





