DIVISION OF PUBLICATIONS. 353 



BUREAU OF PLANT INDUSTRY. 



Copies. 



The Relation of Lime and Magnesia to Plant G-rowtli: I. Liming of Soils 

 from a Physiological Standpoint. By Oscar Loew, Expert in Physio- 

 logical Chemistry. II. Experimental Study of the Relation of Lime 

 and Magnesia to Plant Growth. By D. W. May, of the Office of Experi- 

 ment Stations. Pp. 53. pis. 3. Biilletin No. 1. (Vegetable Patholog- 

 ical and Physiological Investigations. ) October, 1901. Price, 10 cents. 3,500 



Sweet Potatoes. By D. M. Nesbit. Pp. 40. Farmers' Bulletin No. 129. 



(Reprint.) October, 1901-... 35,000 



Reprint. Jime, 1902 20,000 



Emmer: A Grain for the Semiarid Regions. By Mark Alfred Carleton, 

 Cerealist, Vegetable Pathological and Physiological Investigations, 

 Bureau of Plant Industry. Pp. 16, figs. 3. Farmers' Bulletin No. 189. 



October, 1901 30, 000 



Reprint, December, 1901 20, 000 



Pineapple Growing. By Peter H. Rolfs, Pathologist, in charge of Trop- 

 ical Laboratory, Vegetable Pathological and Physiological Investiga- 

 tions, Bureau of Plant Industry. Pp. 48, figs. 4. Farmers' Bulletin 

 No. 140. October. 1901 30, 000 



Spermatogenesis and Fecundation of Zamia. By Herbert J. Webber, 

 Physiologist, Vegetable Pathological and Physiological Investigations, 

 Plant-Breeding Laboratory. Pp. 100, pis. 7. Bulletin No. 2. Decem- 

 ber, 1901. Price, 20 cents 2,500 



Macaroni Wheats. By Mark Alfred Carleton. Cerealist, Vegetable 

 Pathological and Physiological Investigations. Pp. 62. pis. 11, figs. 2. 



Bulletin No. 3. December. 1£01. Price, 20 cents 2, 500 



Reprint, May, 1902 2,000 



Range Improvement in Arizona. (Cooperative Experiments with the 

 Arizona Experiment Station.) By David Griffiths, Expert, in Charge 

 of Field Management, Grass and Forage Plant Investigations. Pp. 31, 

 pis. 6, figs. 5. Bulletin No. 4. January, 1902. Price, 10 cents 5, 000 



Seeds and Plants Imported through the Section of Seed and Plant Intro- 

 duction for Distribution in Cooperation with the Agricultural Experi- 

 ment Stations. Inventory No. 9, Nos. 4351-5500. Pp. 79. Bulletin 



No. 5. January, 1902. Price, 10 cents 500 



Reprint, June, 1902 500 



Report of the Chief of the Bureau of Plant Industry for 1901. By B. T. 

 Galloway. Pp. iii, 43-94. (From Annual Reports, Department of 

 Agriculture.) January, 1902 1,000 



A List of American Varieties of Peppers. By W. W. Tracy, jr. , Assistant, 

 Botanical Investigations and Experiments. Pp. 19. Bulletin No. 6. 

 February. 1902. Price, 10 cents 2, 500 



A Collection of Economic Fungi Prepared for Distribution. By Flora 

 W. Patterson, Mycologist. Vegetable Pathological and Physiological 

 Investigations. Pp. 31. Bulletin No. 8. February, 1902. Price, 10 



0f*llts - - '*^' \)\)u 



The North Aruerican Species of Spartina. By Elmer D. Merrill. Assist- 

 ant Agrostologist, Grass and Forage Plant Investigations. Pp. 16. 

 Bulletin No. 9. February, 1902. Price. 10 cents 2,000 



Records of Seed Distribution and Cooperative Experiments with Grasses 

 and Forage Plants. By F. Lamson-Scribner, Agrostologist. Grass and 

 Forage Plant Investigations. Pp. 23. Bulletin No. 10. February, 

 1902. Price, 10 cents 3, 000 



Johnson Grass: Report of Investigations made During the Season of 1901. 

 By Carleton R. Ball. Assistant Agrostologist, Grass and Forage Plant 

 Investigations. Pp. 24, pi. 1, fig. 1. BulletinNo.il. February, 1902. 

 Price, 10 cents 5, 000 



The Decay of Timber and Methods of Preventing It. By Hermann von 

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

 Agent in Charge of Mississippi Valley Laboratory, Vegetable Patho- 

 logical and Physiological Investigations. Pp. 96, pis. 18, figs. 27. Bui- 

 letinNo.14. March. 1902. Price, 55 cents 3,000 



AGR 1902 23 



