COLLABORATORS 



Newell, A. J., Gardener, Wellesley, Mass. 

 (Certain orchids, e.g., Odontoglossum.) 

 *Newman, J. S., Vice Dir. S. C. Exp. Sta., 



Clemson College, S. C. (South Carolina.) 

 *NoRTON, Prof. J. B. S., Pathologist Md. Exp. 

 Sta., College Park, Md. (Genera of Euphor- 

 biacea. Phyllanthtis . Numerous botanical 

 pmsles.) 



Ogston, Colin, Gardener, Kimball orchid collec- 

 tion, Rochester, N. Y. (Dendrohium.) 

 *Oliver, G. W., Bureau of Plant Industry, U. S. 

 Dept. Agric, Washington, D. C. (Many 

 articles on palms, aroids, succulents and rare 

 plants, and much help on j)roofs. Alstroemeria. 

 Amaryllis. Nepenthes. Ochna. Pennisetum. 

 Petrea . Sarracenia . ) 



Olmsted, Jr., F. L., Landscape Architect, Brook- 

 line, Mass. (Park. Help on Landscape and 

 Railroad Gardening.) 



O'Mara, Patrick, of Peter Henderson & Co., 

 New York, N. Y. (Polling. Has read rarious 

 important articles, suggested contributors and 

 given other aid.) 



Orpet, Edward O., Gardener, So. Lancaster, 

 Mass. (Border. Cyclamen. Dianthus, and 

 certain orchids. ) 



Parsons, Jr., Samuel, Landscape architect. New 

 York, N. Y. (Laicn. Help on Park.) 



Peacock, Lawrence K., Dahlia specialist, Ateo, 

 N. J. (Dahlia.) 



Pennock, p. M., Horticulturist, San Juan, Porto 

 Eieo. (Porto Bico.) 

 *Peterson, Wm. a., of the firm of P. S. Peterson 

 & Sou, Nurserymen, Chicago, 111. (Pceonia. 

 Transplanting of large trees.) 

 *Pierce, Newton B., Pathologist Pacific Coast 

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

 U. S. Dept. Agric, Santa Ana, Calif. ( Walnut.) 

 •PlETERS, A. J., Botanist in charge of Seed Labora- 

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

 Agric, Washington, D. C. (Seed Testing.) 



Powell, Prof. G. Harold, Div. of Pomology, 

 U. S. Dept. Agric. ,Washingtou, D. C. (Cherry. 

 Delaware. Help on Peach, etc.) 



Powell, George T., Dir. School of Practical Ag- 

 riculture and Horticulture, Briar Cliff Manor, 

 N. Y. (Pear. Has read proofs of other impor- 

 tant fruits.) 

 *Price, Prof. R. H., Horticulturist, Texas Exp. 

 Sta., College Station, Texas. (Texas.) 



Prince, L.B., Pres. Board of Regents, New Mexico 

 Agric. College, Santa Fe, N. M. (The article 

 "Prince.") 

 *PuRDy, Carl, Specialist in California bulbs, Ukiah, 

 Calif. (California native plants, as Brodia^a, 

 Calochortus, Erythronium, Fritillaria, Stropho- 

 lirion. Help on Lilium.) 



Rane, F. W., Horticulturist and Prof, of Horti- 

 culture, N. H. College, Durham, N. H. (New 

 Hampshire.) 

 Rawson, Grove P., Florist, Elmira, N. Y. (Lan- 



tana.) 

 Rawson, W. W., Seedsman and market-gardener, 

 Boston, Mass. (Cucumber. Lettuce.) 



*Reasoner, E. N., Nurseryman and horticulturist, 

 Oneco, Fla. (Many articles, and much help on 

 extreme southern horticulture. Coesalpinia. Co- 

 cos. Guava. Kumquat. Lemon. Lime. Mango. 

 Musa. Orange. Sabal. Tamarindus.) 



*Rehder, Alfred, Asst. at the Arnold Arboretum, 

 Jamaica Plain, Mass. (Botany and culture of 

 most of the hardy trees and shrubs. The article 

 "Trees.") 

 Roberts, Prof. I. P., Dir. College of Agric, Cor- 

 nell Univ., Ithaca, N. Y. (Drainage. Fertility. 

 Manure. Potato.) 

 Rolfs, Prof. P. H., Botanist, S. C. Exp. Sta., 

 Clemson College, S. C. (Eggplant. Florida. 

 Okra. Onion. Pineapple.) 

 Rose, J. N., Asst. Curator, U. S. Nat. Herb., 

 Smithsonian Institution, Washington, D. C. 

 (Agave. Prochnyanthcs. ) 

 Rose, N. Jonsson, Landscape Gardener, Dept. of 



Parks, New York, N. Y. (Various exotics.) 

 Roth, Filibert, Chief of Div. of Forestry, De- 

 partment of the Interior, Washington, D. C. 

 (Fagus.) 



*Rowlee, Prof. W. W., Asst. Prof, of Bot- 

 any, Cornell Univ., Ithaca, N. Y. (Liatris. 

 Salix.) 

 RoTLE, Mrs. Emily Taplin, Asst. Ed. "Rural 

 New-Yorker," New York, N. Y. (Nepenthes.) 



*Sandsten, Prof. E. P., Horticulturist Md. Exp. 

 Sta., College Park, Md. (Self -sterility.) 

 Sargent, Prof. C. S., Dir. Arnold Arboretum, 

 Jamaica Plain, Mass. (Abies. Has read proofs 

 of Picea, Prunus, etc.) 



*Scott, Wm., Florist, Buffalo, N. Y. (Important 

 florists' plants and flowers, as Acacia, Conval- 

 laria. Cyclamen, Cytisus, Smilax, Metrosideros , 

 Peperomia, Perilla, Piqueria, Stephanoiis, 

 Syringa, Verbena, etc. Also Packing Flowers.) 

 Scott, Wm., Gardener, Tarrytown, N. Y. (Ber- 

 tolonia and other tender foliage plants. ) 



^Scribner, F. Lamson, Dir. Dept. of Agric, 

 Philippine Islands, formerly Chief Div. of Ag- 

 rostology, U. S. Dept. Agric, Washington, 

 D. C. (Teosinte.) 



*Sears, Prof. F. C , Dir. Nova Scotia School of 

 Horticulture, Wolfville, N. S., formerly Horti- 

 culturist Utah Exp. Sta. (Utah. Help on 

 Canada.) 



*Seavey, Mrs. Frances Copley, Landscape Gar. 

 dener, Chicago, 111. (Railroad Gardening.) 



