COLLABORATORS 



Slingerland, Prof. M. V., Asst. Prof . Economic 

 Entomology, Cornell Univ., Ithaca, N. Y. 

 {Insects. Insecticides.) 



*Smith, a. W., Cosmos cultivator, Americus, Ga. 

 {Cosmos. Moonflower.) 



*Smith, Elmer D., Chrysanthemum specialist, 

 Adrian, Mich. (Chnjsantkemum.) 



*Smith, Jared G., Div. of Botany, Dept. of Agric, 

 Washington, D. C. {Xearly all palms and va- 

 rious genera,as Centaurea,Cerastium, Cotyledon.) 

 Spencer, John W., Fruit-grower, Westfield, Chau- 

 tauqua Co., N. Y. {Grapes. Help on impor- 

 iantfndts.) 

 Starnes, Prof. Hugh N., Horticulturist, Ga. Exp. 

 Sta., Athens, Ga. {Georgia.) 



*Stinson, Prof. John T., Dir. Mo. Fruit Exp. Sta., 

 Mountain Grove, Mo. {Arkansas.) 

 Taft, Prof. L. E., Horticulturist, Mich. Agric. 

 Coll., Agricultural College, Mich. {Heating. 

 Hotbeds. ) 



*Taplin, W. H., Specialist in palms and ferns, 

 Holmesburg, Philadelphia, Pa. {Culture of 

 many palms, ferns and foliage plants.) 



*Taylor, Wm. a., Asst. Pomologist, Div. of Po- 

 mology, Dept. of Agric, Washington, D. C. 

 {Nuts.) 



^Thompson, C. H., Assistant Botanist, Mo. Botani- 

 cal Garden, St. Louis, Mo. {Many genera of 

 Cacti.) 



♦TOUMEY, Prof. J. W., Biologist, Ariz. Exp. Sta., 

 Tucson, Ariz. {Ari::ona. Date.) 

 Tract, S. M., Biloxi, Miss. {Mississippi.) 



*Tract, Prof. W. W., Seedsman, Detroit, Mich. 

 {Cahhage.) 



*Trelease, Dr. Wm., Dir. Mo. Botanical Garden, 

 St. Louis, Mo. (Aloe. Apicra. Gasteria. Ha- 

 worthia.) 



*Tricker, Wm., Specialist in aquatics, Dreer's 

 Nursery, Riverton, N. J. (Aquarium. Aqua- 

 tics. Nytnphaia. Nelumbium. Victoria, etc.) 

 Troop, Prof. James, Horticulturist, Ind. Exp. Sta., 



Lafayette, lud. (Indiana.) 

 Turner, Wm., Gardener, Tarrytown, N. Y. 

 {Forcing Fruits.) 



*TuTTLE, H. B., Cranberry grower. Valley Junc- 

 tion, Wis. {Cranberry.) 



*Underwood, Prof. L. M., Columbia University, 

 New York, N. Y. {Botany of all ferns.) 



*Van Deman, H. E., Pomologist, Parksley, Va. 

 (Date.) 

 Vaughan, J. C, Seedsman and florist, Chicago 



and New York. (Christmas Greens.) 

 VooRHEES, Prof. Edward B., Dir. N. J. Exp. Sta., 



New Brunswick, N. J. (Fertilizers.) 

 Waldron, Prof. C. B., Horticulturist, N. Dak. 

 Exp. Sta., Fargo, N. Dak. (North Dakota.) 



*Walker, Ernest, Horticulturist, Arkansas Exp. 

 Sta., Fayptteville, Ark. {Annuals. Basket 

 Plants. Watering.) 

 Watrous, C. L., Nurseryman, Des Moines, la. 

 {loKa.) 



*Watson, B. M., Instructor in Horticulture, Bua- 

 sey Inst., Jamaica Plain, Mass. {Colchicum. 

 Cultage. Forcing. House Plants.) 

 Watts, E. L., Horticulturist, Tenn. Exp. Sta., 

 Knoxville, Tenn. {Tennessee.) 



*Waugh, Prof. F. A., Horticulturist, Vt. Exp. 

 Sta., Burlington, Vt. (Beet. Carrot. Cucumber. 

 Lilium. PentstemoH. Salad Plants. Vermont.) 



*Webber, H. J., In charge of Plant Breeding 



Laboratory, Div. of Veg. Phys. and Path., 



Dept. of Agric, Washington, D. C. 



(Citrus.) 



Whitney, Prof. Milton, Chief Div. of Soils, 



Dept. of Agric, Washington, D. C. (Soil.) 

 Whitten, Prof. J. C, Horticulturist, Mo. Exp. 

 Sta., Columbia, Mo. (Missouri.) 



*WiCKSON, Edward J., Prof, of Agricultural Prac- 

 tice, Univ. of Calif., and Horticulturist, Calif. 

 Exp. Sta., Berkeley, Calif. (Almond, Apri- 

 cot, Cherry, Grape, etc., in California.) 



*WlEGAND, K. M., Instructor in Botany, Cornell 

 Univ., Ithaca, N. Y. {Coreopsis. Cordyline. 

 Cyperus. Draccena.) 



*Wyman, a. p., Asst. to Olmsted Bros., Land- 

 scape Architects, Brookline, Mass. (Dirca, 

 Epigcga, Halesia and other hardy trees and 

 shrubs.) 



PARTIAL LIST OF THOSE WHO HAVE ASSISTED BY READING PROOF, 

 AND IN OTHER WAYS 



Andrews, D. M., Nurseryman, Boulder, Colo. 

 (Nativewestern plants, especially newhardy Cacti.) 



Ball, C. D., Wholesale florist, Holmesburg, Phila- 

 delphia, Pa. (Palms. Ferns. Foliage 

 Plants.) 



Barker, Michael, Editor "American Florist," 

 324 Dearborn St., Chicago, 111. {Many sug- 

 gestions.) 



Bassett, Wm. F., & Son, Hammonton, N. J. 

 {Hibiscus and other plants.) 



Berger & Co., H. H., New York, N. Y. {Japa- 

 nese and Californian plants.) 



Blanc, A., Seedsman andplantsman, Philadelphia, 

 Pa. (Cacti. Novelties.) 



Breck & Sons, Joseph, Seedsmen, Boston, Mass. 

 {Portrait of Joseph Breck.) 



