COLLABORATORS 



SLrNGERLAND, Prof. M. V., Asst. Prof. Economic 

 Enfomology, Cornell Univ., Ithaca, N. Y. 

 ( Insects. Insecticides. ) 



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

 {Cosmos. Moonjfowcr.) 



*Smith, Elmer D., Clirysantheraum specialist, 

 Adrian, Mich. (Chrysanthemum.) 



*Smith, JaredG., Div. of Botany, Dept. of Agric, 

 Washington, D. C. (Nearly all jialms and rii- 

 rious genera, as Centaurea, Cemstium , Coii/leiloii . ) 

 Spencer, John W., Pruit-growiM-,W,.stilHl.l, Phnu- 

 tauqna Co., N. Y. {G-rapen. Ililp 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 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. (Arizmia. Date.) 

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



*Tracy, Prof. W. W., Seedsman, Detroit, Midi. 

 ( Cabbage.) 



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

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

 worthia.) 



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

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

 tics. Nymphtea. 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.) 



*UNDER-svoon, Prof. L. M., Columbia University, 

 New York, N. Y. (Botany of aU ferns.) 



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

 (Date.) 

 Vaughan, J. C, Seedsman and florist, Chicago 



and New York. (Cliristmas Greens.) 

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



New Brunswick, N. J. (Fertili::ers.) 

 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. Bouse Plants.) 

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

 Knoxville, Tenn. (Tennessee.) 



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

 Sta., Burlington, Vt. ^Bcet. 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. (.So(7.) 

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

 Sta., Columbia, Mo. (Missouri.) 



*WlCKSON, 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. CordijUne. 

 Cyperus. Dracaina.) 



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

 scape Architects, Brookline, Mass. (Dirca, 

 Epigcsa, Halesia and other hardy trees and 

 .<<hrul)S. ) 



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

 AND IN OTHER WAYS 



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

 (Na five western plan ts, especially n ew hardy Cacti . ) 



Ball, CD., Wholesale florist, Holmesburg, Phila- 

 delphia, Pa. (Palms. Ferns. Foliage 

 Plants.) 



Barker, Michael, Editor "American Florist," 

 32+ Dearborn St., Chicago, 111. (Many sug- 

 gestions. ) 



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

 (Hibiscus and other plants.) 



Berqer & Co., H. H., New York, N. Y. (Japa- 

 nese and Californian plants.) 



Blanc, A. , Seedsman and plantsman, Philadelphia, 

 Pa. ( Cacti. Novelties, i 



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

 (Portrait of Joseph Breck. ) 



