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him in regard to the location for a budwood garden and small demonstration field planting, authorized by the United Fruit Company. COSTA RICA. The building program still continues at the Turrialba experiment station. However, this has now progressed sufficiently to permit major attention to experimental work. Dr. Theodore J. Grant is now established at Turrialba and writes enthusiastically of the splendid cooperation of Dr. Luis Cruz B., Director of the Departamento Agricola Nacional, and of other officials of the Costa Rican Government. The planting of more than a million clonal seeds for blight-resistance tests …

him in regard to the location for a budwood garden and small demonstration field planting, authorized by the United Fruit Company. COSTA RICA. The building program still continues at the Turrialba experiment station. However, this has now progressed sufficiently to permit major attention to experimental work. Dr. Theodore J. Grant is now established at Turrialba and writes enthusiastically of the splendid cooperation of Dr. Luis Cruz B., Director of the Departamento Agricola Nacional, and of other officials of the Costa Rican Government. The planting of more than a million clonal seeds for blight-resistance tests …

him in regard to the location for a budwood garden and small demonstration field planting, authorized by the United Fruit Company. COSTA RICA. The building program still continues at the Turrialba experiment station. However, this has now progressed sufficiently to permit major attention to experimental work. Dr. Theodore J. Grant is now established at Turrialba and writes enthusiastically of the splendid cooperation of Dr. Luis Cruz B., Director of the Departamento Agricola Nacional, and of other officials of the Costa Rican Government. The planting of more than a million clonal seeds for blight-resistance tests …

- 2 - ROBERT F. RAFFAUF Plant Exploration In connection with SK&F natural products program, developed methods for plant exploration and procurement of plant materials likely to yield novel chemical structures of potential medicinal use. Extensive travel in Central and South America, particularly in Amazon-basin; West Africa and Africa south of the Sahara; Malaysia, New Guinea and Australia; two years residence and several visits to Western Europe. See, for example: "Green Medicine," Margaret B. Dreig, Rand-McNally, 1964. "Drugs," Time-Life Science Library, 1967. Languages: Fluent in German and Spanish; fair Frenc …

… eceived the cacti you sent him and that they were exactly what he needed. He is very busy preparing for his six months in Europe, but I am sure that he will write you soon. Concerning your proposed book on plant hunting in Peru, will you refer only to your botanical collections or to those of others also? If the latter, you will find references to all places of collection by our expeditions up to the last one (1957-58) in the paper by Stork and myself of which I am sure that I sent you a copy. I think that I can make the record complete by preparing a list of the Hutchison and Marshall collecting localities durin …

environment is quite striking as I begin to compare the plants of each locality. In Costa Rica, through the efforts of Dr. Jorge Leon, most of the clones occurring in that country had already been assembled in museum plots at Turrialba. By cooperation with various inter-American agricultural missions, and through departments of agriculture of several South American and Far Eastern countries, we were able to establish Turrialba as a center for bringing together clones from all over the world. By June of this year, the two plantings of local clones in Jamaica were ready for sampling. The methods of sampling are ess …

… collection. If they prove to contain material of some special interest, I will try to obtain more money to permit Woytkowski to continue the work in northeastern Peru. Madrid writes that Gutierrez, on his collecting trip during January, obtained some herbarium specimens but no living orchid plants. I cannot understand the situation except that perhaps the orchid sellers in Medellin complained about my receiving any wild plants and Madrid and Gutierrez were afraid to have them collected. I will ask Madrid to use up the remainder of the money I left with him in buying more plants and sending them to me. Then the w …

… 1957 Dr. David D. Keck The New York Botanical Garden Bronx Park New York 58, New York Dear Dr. Keck: Thank you for yours of January 31 concerning distribution of the herbarium material collected during our South American expeditions. The expeditions were financed in greater or lesser part by contributions from most of the herbaria listed in my paper with Stork as having received duplicate material. The distribution to those herbaria was made from my laboratory, the remaining specimens being turned over to our Herbarium for exchange purposes. Whether or not there are at present any residues I do not know. Ma perha …

UNITED STATES DEPARTMENT OF AGRICULTURE AGRICULTURAL RESEARCH ADMINISTRATION BUREAU OF PLANT INDUSTRY, SOILS, AND AGRICULTURAL ENGINEERING DIVISION OF PLANT EXPLORATION AND INTRODUCTION AIR MAIL Mr. Paul Allen Esquinas Experiment Station Cia. Bananera de Costa Rica Palmar sur Costa Rica Dear Paul: There is a strong possibility that our Division may hire several Botanists in the immediate future to do field exploration in search of plant materials for chemical analysis for possible plant producers of the anti-arthritis drug cortisone. While thinking about possible candidates for these proposed positions, your name …

Escuela Agrícola Panamericana Tegucigalpa, Honduras January 3, 1947 Dr. E. D. Merrill Arnold Arboretum Jamaica Plain, Mass. Dear Dr. Merrill: I was glad to have your recent note. It has been some time since I have heard about what your plants for coming down here may be but I hope that you will find it possible to make a trip down some time during the part of the year when the weather around Boston is not too enjoyable. I hope, also, that the visit will be while I am here. - I plan to leave here in a few days to go over to Guatemala and shall probably be over there a month or six weeks, returning here toward the …

… 1909; Univ. California, Ph.D. 1912 Honorary degrees: Sc.D., Brown Univ. 1940; Doctor, Univ. La Plata 1939 Fellowships: Amer. Scan. Foundation, Scandinavia, 1922-23; Guggenheim Foundation, Europe, 1930-31, South America, 1935 Foreign travel: Europe, 6 visits, 4 for advanced training and research; South America, Director of 5 Univ. Calif. Botanical Garden Expeditions, 1935-53 Decorations: Com. Orden al Merito, Chile, 1952; Medallist, Paris, 1955 Major research programs and accomplishments: I. The Genus Nicotiana -- species origins and evolution, taxonomy (1912-56) Accumulation of a living collection of all but 4 o …

… y the other day, but I think they will still be in good fruit for a month or more longer. I have just returned from the Canal Zone and adjacent Panamanian territory, where I spent a very pleasant two weeks collecting Dioscoreas, seeing old friends and places, and, as usual, making quite a haul for our plant collection at Esquinas. The lot filled a freight car, on my return here, over eighty species being represented, all new to our collection. I am parti- cularly glad to get sixteen new species of Asiatic bamboos, including such fine things as Gigantochloa reticulata, Gigantochloa aspera, and Dendrocalamus gigant …

INSTITUTO INTERAMERICANO DE CIENCIAS AGRICOLAS TURRIALBA, COSTA RICA 10 March 1955 Dr. David J. Rogers Assistant Professor of Biology Allegheny College Meadville, Pennsylvania Dear Dave: In relation to your proposed trip to the Putumayo region I think the best person to give you information on the area is Dr. R. E. Schultes, Botanical Museum, Harvard University. You probably know him well; he is a taxonomist and for several years worked for the United States Department of Agriculture in Colombia. He may give you the names of Colombian people that you need to contact. The yuca collection here is doing fine. I hope …

many thanks indeed. From various other sources I have enough to undertake a modest expedition, principally in Peru and Chile, and will take with me two North American assistants and hire more technical help in South America. We expect to be in the field from September of this year to March or April 1958. Wish you were going to be with us! Is it possible that you would have time to and interest in determining our collections from the Peruvian montana? Since they probably would not be ready for distribution until the end of 1958 it is perhaps too early to ask such a question. I am glad the Flora of Colombia progres …

… hank you very kindly for your letter of last October including the results of your analyses of seventeen varieties of Yuca. Since I wrote to you, I have made a few changes in my approach on this particular plant as far as its taxonomy and genetics is concerned, in that I have asked the Department of Agriculture in Jamaica and the same American Agricultural Institute at Turrialba to cooperate in the cultivation of varieties collected from sources all over the world. We are hoping to bring together as much information concerning these varieties as possible in addition to learning something of the classification of …

… herbarium a depository for your collections in the United States. We would see that they are always available to anyone for study and shall certainly let the world know where they are. I do not know what arrangement you wish to make. We, of course, will defray any expense of getting the specimens to us; packing, shipping, etc. Are you interested in exchange of specimens? I should appreciate your advice along this line. As I mentioned in my previous letter, we would accept material from any Central American country as well as Mexico. With best regards, Sincerely yours, Donovan S. Correll, Head Botanical Laboratory

be possible to create within Peru small units in various sections of the country where American workers could remain in residence, assisted by Peruvian student aides, was not discussed. 5. The interchange of agricultural plant material seems extremely important. There is already established within the Bureau of Plant Industry a Division of Plant Exploration and Introduction which has for over thirty years served as a center for this type of exchange, acting as a clearing house from our own scientific workers and from workers resident outside the United States. A reasonable interchange has already existed with Per …

Berkeley 4, California August 20, 1951 Mr. Ward Canaday Willys-Overland Motors, Inc. Toledo 1, Ohio Dear Mr. Canaday: Thank you for your kind letter of August 10th. To continue my South American plant explorations I am asking for leave from this University beginning November 1st but I could undoubtedly get away some days earlier. Indeed, if there are good connections by air I might be able to reach St. Croix before November 1st. I would then plan to go on direct to South America. You ask that I be more specific about what might be accomplished by the South American expedition I outlined. As in my five previous ex …

… r Department of Botany Smithsonian Institution United States National Museum Washington, D. C. 20560 Dear Dr. Rudd: I have been travelling for the past few weeks, and so was surprised to find the parcel of plant specimens upon return to Seattle. I must apologize again for the condition in which they were sent. I am a cultural anthro- pologist with no background in botany. However, I became involved in looking at a system of slash and burn agriculture in eastern Guatemala and, as I did so, it became apparent that I should try to learn something of the natural ecology of the region. My thanks go to you at the Smith …

… INE • LOS ANGELES • RIVERSIDE • SAN DIEGO • SAN FRANCISCO SANTA BARBARA • SANTA CRUZ COLLEGE OF BIOLOGICAL AND AGRICULTURAL SCIENCES CITRUS RESEARCH CENTER AND AGRICULTURAL EXPERIMENT STATION DEPARTMENT OF PLANT PATHOLOGY RIVERSIDE, CALIFORNIA 92502 October 7, 1974 Dr. Wilson Popenoe La Casa del Oidor Antigua, Guatemala Dear Wilson: I appreciated very much your suggestions in your good letter of July 21st, even though I am very late in replying. I am sorry that it wasn't possible to get Gene Schieber down to Columbia and Ecuador this summer--funds just didn't permit it and it wasn't possible to get such a trip or …