COLLABORATORS 



xifi 



CHRENK, Herman von, Pathologist, Missouri Botanical 

 Garden, St. Louis, Mo. (Forest and Timber Diseases.) 



ScoFiELD, Carl S., In Charge of Western Agricultural 

 Extension, Bureau of Plant Industry, Department of 

 Agriculture, Washington, D. C. {Grain: Shipping, 

 Grading and Storing.) 



ijnAMEL, A. D., Physiologist in Charge of Cotton and 

 Tobacco Breeding Investigations, Bureau of Plant In- 

 dustry, Department of Agriculture, Washington, D. C. 

 (Tobaeeo.) 



Shepard, Charles U., Special Agent Tea Culture, Bureau 

 of Plant Industry, Department of Agriculture. Ad- 

 dress, Pinehurst, Summerville, S. C. (Tea.) 



Slingerland, M. v.. Assistant Professor of Economic 

 Entomology, New York State College of Agriculture 

 at Cornell University, Ithaca, N. Y. (Means of Con- 

 trolling Insects.) 



Smith, C. B., Office of Farm Management, Department of 

 Agriculture, Washington, D. C. (Red Clover Seed- 

 Growing.) 



Smith, H. W., Experimental Farm, Truro, Nova Scotia. 

 (Kale for Stoek-Feeding.) 



Spillman, W. J., Agriculturist in Charge of Farm Man- 

 agement Investigations, Bureau of Plant Industry, 

 Washington, D. C. (Grasses and Clovers Used in 

 Meadows and Pastures. Teosinte.) 



Starnes, Hugh N., Biologist and Horticulturist, Georgia 

 Experiment Station, Experiment, Ga. (The Triennial 

 Crop Rotation System. The "Open Furrow" Method 

 of Seeding Oats.) 



Stone, A. L., Instructor in Agronomy, College of Agri- 

 culture and Agricultural Experiment Station, Madison, 

 Wis. (Oats. Rape.) 



Stone, George E., Botanist, Massachusetts Agricultural 

 Experiment Station, Amherst, Mass. (Response of 

 Plants to Artificial Lights. Biffect of Electricity on 

 Plants.) 



Stone, John L., Assistant Professor of Agronomy, New 

 York State College of Agriculture at Cornell Univer- 

 sity, Ithaca, N. Y. (Bean, Field. Buckwheat. Pea, as 

 a Field Crop.) 



Taft, L. R., Horticulturist, Experiment Station of Michi- 

 gan Agricultural College, Agricultural College, Mich, 

 (Glasshouses for Vegetable Crops.) 



TenEyck, a. M., Professor of Agronomy, Kansas State 

 Agricultural College and Experiment Station, Man- 

 hattan, Kans. (Farm Management. Sunflower.) 



Thoenber, J. J., Professor of Biology, University of 

 Arizona, and Botanist, Agricultural Experiment Star 

 tion, Tucson, Ariz. (Alfilaria.) 



Townsend, C. 0., Pathologist in Charge of Sugar Beet 

 Investigations, Bureau of Plant Industry, Department 

 of Agriculture, Washington, D. C. (Sugar-beet.) 



Tracy, S. M., Special Agent, Grass and Forage Plant In- 

 vestigations, Bureau of Plant Industry, Department of 

 Agriculture, Washington, D. C. Address, Biloxi, Miss. 

 (Arrow-Root. Cassava.) 



Tracy, William W., Vegetable Seed Breeding and Grow- 

 ing, Bureau of Plant Industry, Department of Agri- 

 culture, Washington, D. C. (Growing Seed Crops.) 



True, Rodney H., In Charge of Drug and Poisonous 

 Plant Investigations and Tea Culture Investigations, 

 Bureau of Plant Industry, Department of Agriculture, 



Washington, D. C. (Medicinal, Condimental and 

 Aromatic Plants. Oil-Bearing Plants. Spice-Produc- 

 ing Plants.) 



Van Lebnhoff, J. W., Coffee Expert, Porto Rioo Agri- 

 cultural Experiment Station, Mayaguez, Porto Rico. 

 Address, Ponce, P. R. (Coffee and Coffee-Growing.) 



Van Wagbnen, Jared, Jr., Farmer, Lawyersville, N. Y. 

 (Hops. Maize-Growing for the Silo. Rye.) 



Veitch, F. p.. Chief of Leather and Paper Laboratory, 

 Bureau of Chemistry, Department of Agriculture, 

 Washington, D. C. (Paper-Making Plants. Tanning 

 Materials.) 



Vinall, H. N., Scientific Assistant in Agrostology, 

 Bureau of Plant Industry, Department of Agriculture, 

 Washington, D. C. (Lupine.) 



VooRHEES, Edward B., Director, New Jersey Agricultural 

 Experiment Stations, New Brunswick, N. J. (Cover- 

 Crops.) 



Waite, Merton B., Pathologist in Charge of Investigatons 

 of Diseases of Fruits, Bureau of Plant Industry, 

 Department of Agriculture, Washington, D. C. (Sweet- 

 Potato.) 



WarBurton, C. W., Assistant Agronomist, Bureau of 

 Plant Industry, Department of Agriculture, Washing- 

 ton, D. C. (Broom-Corn. Cultivation of kafir and 

 durra, in conjunction with E. G. Montgomery. 

 Sorghum-Growing. ) 



Warren, G. F., Assistant Professor of Agronomy, New 

 York State College of Agriculture at Cornell Univer- 

 sity, Ithaca, N. Y. (Evaporating as a Home Industry 

 in Eastern United States.) 



Webbf,r, Herbert J., Professor of Experimental Plant 

 Biology, New York State College of Agriculture at 

 Cornell University, Ithaca, N. Y. Formerly in Charge 

 of Plant Breeding Investigations, Bureau of Plant 

 Industry, Department of Agriculture, Washington, D. C. 

 (Some of the Principles of Plant-Breeding. Cotton, in 

 conjunction with E. B. Boykin.) 



Westgate, J. M., Assistant Agrostologist, Bureau of 

 Plant Industry, Department of Agriculture, Washing- 

 ton, D. C. (Alfalfa, or Lucern.) 



Wheeler, Chas. F., Expert Consulting Botanist, Bureau 

 of Plant Industry, Department of Agriculture, Wash- 

 ington, D. C. (Incidental Forage-like Plants.) 



Wilcox, B. Mead, Professor of Botany, Alabama Poly- 

 technic Institute, and Plant Physiologist and Patholo- 

 gist, Alabama Experiment Station, Auburn. Ala.'. 

 ( Castor-Bean.) 



Wiley, H. W., Chief of the Bureau of Chemistry, Depart- 

 ment of Agriculture, Washington, D. C. (Industrial 

 Alcohol — Denatured Alcohol.) 



Wing, Joseph E., Secretary, Continental Dorset Club, and 

 Editorial Correspondent " Breeders' Gazette," Mechan- 

 icsburg, Ohio. ( Clover: Its Culture and Uses.) 



WOLL, F. W., Professor of Agricultural Chemistry, Uni- 

 versity of Wisconsin, Madison, Wis. (Soiling: Its 

 Philosophy and Practice.) 



Young, T. B., Assistant in Drug Plant Investigations, 

 Bureau of Plant Industry, Washington, D. C. (Medi- 

 cinal Plants : Red Pepper. Wormseed, American.) 



Zon, Raphael, Chief, Office of Silvics, Forest Service, 

 Department of Agriculture, Washington, D. C. (Fac- 

 tors in Timber Production.) 



