COLLABORATORS 



3559 



PILAT, C. F., Landscape Architect to the Park Board, 

 52 Broadway, New York City. (Planting.) 



PIPER, C. V., Agrostologist in Charge, Bureau of Plant 

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

 (Glycine.) 



PITTIER, H., Botanist, Bur. of Plant Ind., U. S. Dept. of 

 Agric., Washington, D. C. (Pachira.) 



POPEXOE, F. W., Agricultural Explorer, Bur. of Plant Ind., 

 U. S. Dept. of Agric., Washington, D. C. (Culture and 

 botany of many tropical fruits.) 



PRICE, H. L., Dean of Agricultural Dept., Virginia Agricul- 

 tural College, Blacksburg, Va. (Virginia.) 

 *PRIXCE. L. B. (Wm. Prince.) 



PRIXG, G. H., Foreman, Exotic Orchid and Aquatic Depts., 

 Missouri Botanical Garden, St. Louis, Mo. (Oxalis, 

 Peristeria, Phaius, Pinguicula.) 



PCRDT, CARL, Nurseryman, Specialist in hardy peren- 

 nials, Ukiah, Calif. (California native plants, as 

 Brodi-sea, Calochortus, etc.) 



RAFFILL, C. P., Gardener, Royal Botanic Gardens, Kew, 

 England. (Culture of Achimenes, Calathea, etc.) 



RAMSEY, H. J., Pomologist, Bur. of "Plant. Ind., U. S. 

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



RAXKIX, W. H., Asst. Prof. Plant Pathology, New York 

 State College of Agriculture, Ithaca, N. Y. (Arbori- 

 culture.) 



*RAWSOX, GROVE. P. (Lantana.) 



*REASOXER, E. N. (Banana and many other articles on 

 semi-tropical plants.) 



REDDICK, DOXALD., Prof, of Plant Pathology, New York 

 State College of Agriculture, Ithaca, N. Y. (Damping-off, 

 Diseases.) 



REED, C. A., Nut-Culturist, Bur. of Plant. Ind., U. S. 

 Dept. of Agric., Washington, D. C. (Nuts, Walnut.) 



REED, WM. N., 122 W. 25th St., New York City. 

 (Everlastings.) 



REHDER, ALFRED. Botanist, Arnold Arboretum, Jamaica 

 Plain, Mass. (Most of the hardy trees and shrubs, Names 

 and Nomenclature, many notes and much advice.) 



RICH, WM. P., Sec. Massachusetts Horticultural Society, 

 Boston, Mass. (S. W. Cole.) 



RICHARDS, M. W., Assoc. Horticulturist, Purdue Experi- 

 ment Station, La Fayette, Ind. (Indiana.) 



RICKER, P. L., Asst. Botanist, Bur. of Plant Ind., U. S. 

 Dept. of Agric., Washington, D. C. (Musa, Nicotiana, 

 and several leguminous genera.) 



RIXFORD, G. P., Physiologist, Bur. of Plant. Ind., U. S. 

 Dept. of Agric., 1813 Pierce St., San Francisco, Calif. 

 (Ceratonia, Pistacia, Zizyphus.) 



ROBERTS, I. P., Prof .-Emeritus of Agriculture, Cornell 

 University; Residence, Berkeley, Calif. (Drainage, 

 Fertility, Manure.) 



ROBIXSOX, ALBERT E., Gardener to Louis Ettlinger, Peeks- 

 kill, N. Y. (Leonto podium.) 



ROBIXSOX, B. L., Prof, of Systematic Botany and Curator 

 of the Gray Herbarium, Harvard University, Cambridge, 

 Mass. (Ageratum, Eupatorium.) 



ROEDIXG, GEO. C., Nurseryman, Fresno, Calif. (F. C. 

 Roeding. Peach.) 



ROGERS, STAXLET S., Assoc. Prof, of Plant Pathology, 

 College of Agriculture, University of California, Berke- 

 ley, Calif. (Celery in California.) 



ROLFS, P. H., Dean, Florida Agricultural College, Dir. 

 Agricultural Experiment Station; Dir. of Cooperative 

 Agricultural Extension Work, Gainsville, Fla. (Celery, 

 Eggplant, Florida, Okra, Onion, Pineapple.) 



ROSE, J. N., Research Assoc., Carnegie Institution of 

 Washington ; Assoc. in Botany, U. S. National Museum, 

 Washington, D. C. (Cactacex and some Crassulacex.) 



ROSE, N. J., 448 East 137th St., New York City. 

 (Bomarea.) 



Ross, THEODORE, Sec. for Agriculture, Charlottetown, 



P. E. I. (Prince Edward Island.) 

 *ROTH, F. (Fagus.) 



ROTHE, RICHARD, Nurseryman, Glenside, Pa. (Notes on 

 culture of many hardy garden herbs.) 



ROWLEE, W. W., Prof, of Botany, Cornell University, 

 Ithaca, N. Y. (Liatris, Salix.) 



SAFFORD, W. E., Economic Botanist, Bur. of Plant Ind., 

 U. S. Dept. of Agric., Washington, D. C. (The Annona- 

 ceae, Avicenna, Bull -Horn, Chiranthodendron, Cycas, 

 Gynopogon, Tutuila, Lophophora.) 



SABGENT, C. S., Dir. Arnold Arboretum, Jamaica Plain, 

 Mass. (Abies, Arboretum, F. L. Ames, H. W. Sargent.) 



SAUL, B. F., Banker, Washington, D. C. (John Saul.) 



SCHEEPERS, JOHN, & Co., INC., Flower Bulb Specialists, 2 

 Stone St., New York City. (Help on Tulipa.) 



SCHMTTT, X. E. E., Head Gardener, Horticultural Hall, 



Fairmount Park, Philadelphia, Pa. (Ferns.) 

 *ScoTT, WILLIAM. (Many cultural articles.) 



SEARS, F. C., Prof, of Pomology, Massachusetts Agricul- 

 tural College, Amherst, Mass. (C. R. Prescott.) 

 *SEAVEY, FRANCES COPLEY. (Railroad-Gardening.) 

 *SEXTON, JOSEPH. (Pampas-Grass.) 



SHAW, GEORGE W., Land Expert, 74 New Montgomery 

 St., San Francisco, Calif. (Bean.) 



SHAW, PERCY J., Horticulturist, Agricultural College, 

 Truro, N. S. (Nova Scotia.) 



SHINN, CHARLES H., Writer, Northfork, Calif. (Fig, 



John Rock, James Shinn, California, Sequoia.) 

 *SHORE, ROBERT. (Bedding, Begonia, Marguerite.) 



SHULL, GEO. H., Prof, of Botany and Genetics, Princeton 

 University, Princeton, N. J. (Xenia.) 



SIEBRECHT, H. A., Florist and Nurseryman, New Rochelle, 

 N. Y. (Billbergia, Ficus, Gardenia, etc.) 



SIMONDS, O. C., Landscape Gardener, 1101 Buena Ave., 

 Chicago, HI. (Adolph Strauch, Landscape Cemeteries, 

 Shrubbery.) 



SIMPSON, CHAS. T., Collaborator, U. S. Dept of Agric., 

 Little River, Fla. (Many notes on Florida plants, P. F. 

 Reasoner.) 

 *SLIXGEBLAND, M. V. (Diseases and Insects.) 



SMITH, CORA A., Teacher of Biology, Erie, Pa. (Birds.) 



SMITH, ELMER, Florist, Adrian, Mich. (Chrysanthemum.) 



SMITH, IRVIXG C., Market-Gardener and Fruit-Grower, 



Ashland, Wis. (Onion.) 

 *SMTTH, JARED G. (Many genera of palms.) 



STAXDLEY, PAUL C., Asst. Curator, U. S. National Herb- 

 arium, Washington, D. C. (Help on Pentstemon.) 

 *STEELE, E. S. (Perfumery-Gardening.) 



STEVENS, R, T., Asst. Prof, of Landscape Gardening, 

 College of Agriculture, University of California, Berke- 

 ley, Calif. (Herb, Planting lists.) 



STEWART, GEO. F., Gardener on the Gen. S. C. Lawrence 

 Estate, Medford, Mass. (Articles on the culture of 

 many greenhouse plants.) 



STEWART, JOHN P., Experimenter in Pomology, Experi- 

 ment Station, State College, Pa. (Pennsylvania.) 



STEWART, WM. J., Editor "Horticulture," Boston, Mass. 

 (Exhibitions.) 



STONE, G. E., Prof, of Botany, Vegetable Physiology and 

 Pathology, Massachusetts Agricultural College, Am- 

 herst, Mass. (Electro-Horticulture, Light.) 



STRAIGHT, E. M., State Specialist in Vegetable-Gardening, 

 College of Agriculture, Durham, N. H.; formerly of 

 Canada. (Quebec.) 



STUBEXBAUCH, A. V., Prof, of Pomology, College of 

 Agriculture, University of California, Berkeley, Calif. 

 (Storage, Tulipa, etc.) 



STUNTZ, S. C., Botanical Assistant, Office of Foreign Seed 

 and Plant Introduction, Washington, D. C. (Carica, 

 Carissa.) 

 *STURTEVANT, EDMUND D. (Nymphaea.) 



SWINGLE, MAUDE KELLERMAN (Mrs. W. T.), Botanical 

 Assistant, Bureau of Plant Industry, U. S. Dept. of 

 Agric., Washington, D. C. (Collaborated urith Walter 

 T. Swingle on Citropsis and other genera of the Citrus 

 subfamily.) 



SWINGLE, WALTER T., In charge of Crop Physiology and 

 Breeding Investigations, Bur. of Plant. Ind., U. S. 

 Dept. of Agric., Washington, D. C. (Genera of the 

 Citrus subfamily.) 



