Xll 



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. (Chrysanthemum.) 



*SMITH, JARED G., Div. of Botany, Dept. of Agric., 

 Washington, D. C. (Nearly 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- 

 tant fruits.) 



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. R., Horticulturist, Mich. Agric. 

 Coll., Agricultural Colle'ge, 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. (Arizona. Date.) 

 TRACY, S. M., Biloxi, Miss. (Mississippi.) 



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

 ( Cabbage. ) 



*TRELEASE, Dr. WM., Dir. Mo. Botanical Garden, 

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

 worthia.) 



*TRICKER, WM., Specialist in aquatics, Dreer's 

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

 tics. Nymphcea. Nelumbium. Victoria, etc.) 

 TROOP, Prof. JAMES, Horticulturist, Ind. Exp. Sta., 



Lafayette, Ind. (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., Fayetteville, Ark. (Annuals. Basket 

 Plants. Watering.) 



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

 (Iowa.) 



*WATSON, B. M., Instructor in Horticulture, Bus- 

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

 Cuttage. Forcing. House Plants.) 

 WATTS, B. L., Horticulturist, Tenn. Exp. Sta., 

 Knoxville, Tenn. (Tennessee.) 



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

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

 Lilium. Pentstemon. 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.) 

 WRITTEN, 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.) 



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

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

 Cyperus. Dracaena.) 



*WYMAN, A. P., Asst. to Olmsted Bros., Land- 

 scape Architects, Brookline, Mass. (Dirca, 

 Epigcea, Halesia and other hardy trees and 

 shrubs. ) 



II. PARTIAL LIST OF THOSE WHO HAVE ASSISTED BY BEADING PROOF, 



AND IN OTHER WATS 



ANDREWS, D. M., Nurseryman, Boulder, Colo. 

 (Native western plants, especially new hardy 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 Calif ornian plants.) 



BLANC, A., Seedsman andplantsman, Philadelphia, 

 Pa. (Cacti. Novelties.) 



BRECK & SONS, JOSEPH, Seedsmen, Boston, Mass. 

 (Portrait of Joseph Kreck. ) 



