3556 



COLLABORATORS 



CLARK, JAMES C., Florist, Henry A. Dreer, 714 Chestnut 

 St., Philadelphia, Pa. (Adiantum.) 



CLARKE, W. T., Prof. Agricultural Extension, University 

 of California, Berkeley, Calif. (California public- 

 service agencies.) 



CLEMENT, F. M., Prof, of Horticulture, Univ. of British 

 Columbia, Vancouver, B. C.; formerly Dir. Horticul- 

 tural Exp. Station, Vineland, Ontario. (Grape, Quince.) 



CLINTON, L. A., Agriculturist and Asst. Chief, Office of 

 Extension Work, North and West, States Relations 

 Service, U. S. Dept. of Agric., Washington, D. C. (Soy- 

 bean, Spurry.) 



COCKAYNE, L., Botanist, Wellington, New Zealand. (Ver- 

 onica.) 



COCKERELL, T. D. A., Prof, of Zoology, University of 

 Colorado, Boulder, Colo. (Helianthus, Sunflower.) 



COIT, J. ELIOT, Prof, of Citriculture, College of Agricul- 

 ture, University of California, Berkeley, Calif. (Grape- 

 fruit, Lemon, Orange, T. A. Garey.) 



COLLINGWOOD, H. W., Editor "Rural New-Yorker," 

 New York City. (E. S. Carman.) 



CONAHD, H. S., Prof, of Botany, Grinnell College, Grin- 

 nell, Iowa. (Botany of the Nymphseacex.) 



CONARD, THOMAS P., Broker in machinery, Lansdowne, 

 Pa. (A. F. Canard.) 



COOPER, J. R., Assoc. Prof, of Horticulture, College of 

 Agriculture, University of Nebraska, Lincoln, Neb. 

 (Nebraska.) 



COPELAND, E. B., Dean College of Agriculture, Los Banos, 

 Philippine Isls. (Coconut.) 



CORBETT, L. C., Horticulturist in Charge of Horticultural 



and Pomological Investigations, Bur. of Plant Ind., 



U. S. Dept. of Agric., Washington, D. C. (Many 



articles on vegetables, Machinery.) 



*COULSTON, M. B. (W. B. Stiles, Mitella, Morinda, 



Narthecium, Ononis.) 

 *COULTER, JOHN M. (Echinocactus.) 



COVILLE, FREDERICK V., Botanist, U. S. Dept. of Agric., 

 Washington, D. C. (Blueberry, Epigsea.) 



COWEE, ARTHUR, Gladiolus Specialist, Berlin, N. Y. 

 (Gladiolus.) 



COWELL, ARTHUR W., Landscape Architect; Assoc. Prof, 

 of Landscape Gardening, State College, Pa. (Land- 

 scape Gardening, Walks, Paths, and Driveways.) 

 *COWELL, J. F. (Phormium.) 



*COWEN, J. H. (Lepachys, Leucocrinum, Verbena.) 

 *CRAIG, JOHN. (Fruit-Growing, Rape.) 

 *CRAIG, ROBERT. (Codi&um.) 



CRAIG, W. N., Supt. Faulkner Farm, Brookline, Mass. 

 (Herbs.) 



CRANEFIELD, FREDERIC, Sec. Wisconsin State Horticul- 

 tural Society, Madison, Wis. (Wisconsin.) 

 *CROPP, CARL. (Stocks.) 



CROSBY, C. R., Extension Prof, of Entomology, New York 

 State College of Agriculture, Ithaca, N. Y. (Diseases 

 and Insects, Rose Insects, Sowbugs.) 



CROW, J. W., Prof, of Horticulture, Ontario Agricultural 

 College, Guelph, Ont. (Ontario.) 



CUMMINGS, M. B., Prof, of Horticulture and Horticulturist 

 of Experiment Station, College of Agriculture, Burling- 

 ton, Vt. (Vermont.) 



CURTIS, RALPH W., Prof, of Landscape Art, New York 

 State College of Agriculture, Ithaca, N. Y. (Evergreens, 

 Screen-Planting, Planting lists.) 

 *CUSHMAN, E. H. (Gladiolus.) 

 *DARLINGTON, H. D., (Platytheca.) 



DARROW, GEO. M., Scientific Asst., Bur. of Plant Ind., 

 U. S. Dept. of Agric., Washington, D. C. (Raspberry.) 



DAVIS, K. C., Prof, of Agriculture, George Knapp School 

 of Country Life, Peabody College for Teachers, Nash- 

 ville, Tenn. (Many genera of the Ranunculaceae.) 

 *DAVY, Jos. BURTT. (Arboriculture, Myrtus, etc.) 



DEAN, M. L., State Horticulturist, Missoula, Mont. 

 (Montana. ) 



DEANE, WALTER, Botanist, 29 Brewster St., Cambridge, 

 M ass. (Herbarium . ) 



*DEWEY, LYSTER H. (Mentha.) 



DICKENS, ALBERT, Prof, of Horticulture, State Agricul- 

 tural College, Manhattan, Kans. (Kansas.) 



DORNER, H. B., Asst. Prof, of Floriculture, College of 

 Agriculture, Urbana, 111. (Frederick Dorner.) 



DORSETT, P. H., In Charge of Plant Introduction Field 

 Stations, U. S. Dept. of Agric., Washington, D. C. 

 (Violet.) 



DOUGLAS, R., SONS, Nurserymen, Waukegan, 111. (T. H. 



Douglas.) 



*DOUGLAS, THOMAS H. (Picea.) 

 *DREW, E. P. (Picea.) 



DUGGAR, B. M., Prof, of Plant Physiology, in Charge of 

 Graduate Laboratory," Missouri Botanical Garden, 

 St. Louis, Mo. (Autumn Colors, Fertilization, Mush- 

 room, etc.) 



DUGGAR, J. F., Dir. Experiment Station, Auburn, Ala. 

 (Alabama.) 



DUNBAR, JOHN, Asst. Supt. of Parks, Rochester, N. Y. 

 (Berberis, Cratsegus, Rhododendron.) 



DUNNING, D. M., Pres. Auburn Savings Bank, Auburn, 



N. Y. (Grape.) 

 *DUPUY, LEWIS. (Erica.) 



EDWARDS, CHARLES L., Horticulturist, Dallas, Texas. 

 (Help on Pecan.) 



EGAN, W. C., Amateur Horticulturist, Highland Park, 



111. (Everlastings, Mertensia, Winter Protection.) 

 *EISELE, J. B. (Cordyline.) 

 *ELLIOTT, W T ILLIAM H. (Asparagus Fern.) 



EMORY, E. W., Chestertown, Md. (R. S. Emory.) 

 *ENDICOTT, W. E. (Ixia.) 



ERWIN, A. T., Chief Truck Crops, Agricultural Experi- 

 ment Station, Ames, Iowa. (Himalaya Berry.) 



EUSTACE, H. J., Prof, of Horticulture, Michigan Agricul- 

 tural College, East Lansing, Mich. (Marketing, 

 Packages.) 



EVANS, WALTER H., Chief of Insular Stations, States 

 Relations Service, U. S. Dept. of Agric., Washington, 

 D. C. (Alaska.) 



FAIRCHILD, DAVID, Agricultural Explorer in Charge, 

 Office of Foreign Seed and Plant Introduction, Bur. of 

 Plant. Ind., U. S. Dept. of Agric., Washington, D. C. 

 (Mangosteen, and much help on tropical fruits and vege- 

 tables.) 



FARRELL, J. J. M., Gardener on C. D. Matthews Estate, 

 Norwalk, Conn. (Cultural notes on many glasshouse 

 plants.) 

 *FAWCETT, WM. (Cinchona, Myristica.) 



FERNOW, B. E., Dean Faculty of Forestry, University of 

 Toronto, Toronto, Ont. (Arboriculture, Forestry, Pine.) 

 *FINLAYSON, KENNETH. (Diosma.) 



FLEMING, BRYANT, Landscape Architect, Prudential 

 Bldg., Buffalo, N. Y. (Pergola.) 



FLETCHER, S. W., Prof, of Horticulture, State College, 

 Pa. (Pollination, Strawberry.) 



FOGLESONG, L. E., Landscape Architect, Paddock Bldg., 

 Boston, Mass. (Herbs.) 



FORBES, R. H., Dir. Arizona Agricultural Experiment 

 Station, Tucson, Ariz. (Arizona.) 



FRANCESCHI, F., Dir. Stabilmento Orticolo Libico, Trip- 

 oli. (Formerly of Santa Barbara, Calif.) (Many 

 notes on California p'ants.) 



FREEMAN, GEO. F., Plant-Breeder of Experiment Station, 

 Tucson, Ariz. (Bean, Cowpca, Dolichos, Phaseolus T 

 Vigna.) 



FROST, CHARLES, Pansy Seed Grower, Kenilworth, N. J. 

 (Pansy.) 



GAGER, C. S^TUART, Dir. Brooklyn Botanic Garden, 

 Brooklyn, N. Y. (Botanic Garden.) 



GALLOWAY, B. T., Plant Pathologist and Plant Intro- 

 ducer, U. S. Dept. of Agric., Washington, D. C. 

 (Violet.) 



GARCIA, FABIAN, Dir. of Experiment Station, State Col- 

 lege, New Mex. (New Mexico.) 



GARFIELD, CHAS. W., Banker, Grand Rapids, Mich. 

 (Exhibition.) 



