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-2- museum (herbarium) functions are the best documentary institutions in the world. By combining systematic research with the library and herbarium activities, we are today aware of the destruction of our environment. Botanical gardens and arboreta are also engaged in a function that is highly important in conservation, and that is seed exchange. Most of these institutions have certain types of plants they are willing to share with other institutions, and sometimes, these seed exchanges are the only place in the world to find some particularly valuable or interesting plant. Usually, the institutions publish "ind …

-2- museum (herbarium) functions are the best documentary institutions in the world. By combining systematic research with the library and herbarium activities, we are today aware of the destruction of our environment. Botanical gardens and arboreta are also engaged in a function that is highly important in conservation, and that is seed exchange. Most of these institutions have certain types of plants they are willing to share with other institutions, and sometimes, these seed exchanges are the only place in the world to find some particularly valuable or interesting plant. Usually, the institutions publish "ind …

J HORACE MCFARLAND COMPANY Mount Pleasant Press HARRISBURG, PENNSYLVANIA P. O. BOX 697 May 6, 1952 Dr. T. H. Goodspeed, Director Univ. of Calif. Botanical Garden Berkeley, Calif. Dear Sir: I am interested in the subject of seed exchange between botanical gardens and arborets in the United States and similar institutions in foreign countries. If such an exchange has been a practice of your organi- zation, I should be very grateful if you would tell me: How, by whom and when was it started? What are the mechanics of carrying it on? What plants have figured in the exchange? Thank you very much for any information yo …

… planning other participation before the work has commenced, it is anticipated that students from other universities will join in the work in later years, so that the program may ultimately involve all such institutions in the country, while from the beginning professors from Belgrade and Skopje will act as consultants for the project. In order to determine exactly the chromosome numbers of the various species, collections will be made in the field of fixed root-tips and flower buds from properly vouchered specimens. Various fixing media will be used, and determinations will be made with the microscope in the fiel …

… speed: We have recently initiated an exchange relationship with Dr. J. Gomes Pedro, Chief of the Department of Botany at the Centro de Investigacao Cientifica Algodoaira, Lourenco Marques, Mocambique. He is desirous of obtaining seeds of economically important plants, especially ornamental shrubs and timber trees, also legumes or grasses for soil conservation, inasmuch as his department is attempting to establish a plant introduction station. Would you be able to supply us with any seeds which we could send him as exchange material? Sincerely, Lincoln Constance Professor of Botany and Curator of Seed Plants LC:FC

Proposals concerning Distribution of Plant Materials from the University of California Botanical Garden I. Nature and source of plant materials available for distribution The collections in the Botanical Garden are maintained primarily to provide living material for classroom instruction and research, but also for their educational value to the visiting public ( estimated 10,000 visitors annually). Original sources of the collections now under cultivation were: (a) Botanical Garden collecting expeditions in West China and Tibet, South America and South Africa; (b) exchange with other Botanical Gardens and similar …

Dear Drs. Otto, Thank you for your printed letters. I have been exchanging herbarium specimens with many places recently - China, Thailand, Africa, Mexico, Austria. If you know any institutions who would exchange herbarium specimens, please let me know. Aloha. Yours sincerely, Agaiyulce

Proposals concerning Distribution of Plant Materials from the University of California Botanical Garden I. Nature and source of plant materials available for distribution The collections in the Botanical Garden are maintained primarily to provide living material for classroom instruction and research, but also for their educational value to the visiting public ( estimated 10,000 visitors annually). Original sources of the collections now under cultivation were: (a) Botanical Garden collecting expeditions in West China and Tibet, South America and South Africa; (b) exchange with other Botanical Gardens and similar …

BOTANY SECTION COLLECTIONS Plant Specimens (Career collections, Exsiccata, Microfiche, Purchased collections, Documentation of major publications) Accessory Information Kodachrome slides (3,000) Reprints (10,000) Botanical Library Gray Herbarium Index Index Nominum Genericorum Torrey Botanical Club Card Index of American Botanical Literature INSTAAR Herbarium (Local species) Department of Biology Herbarium (Phanerogams, ferns of Colorado) Museum-housed Herbarium Phanerogams, Ferns, Vascular cryptogams (127,000) Lichens (50,000) Bryophytes (30,000) Fungi (10,000) Algae (5,000) Myxomycetes (300) Seed Collection Fru …

plant material, but the photographs can also be purchased at cost in sets. Other offers for exchange of herbarium specimens, especially from the tropics will also be considered. The prints will be exchanged for two plant specimens or at a cost of 75c (US). Institutions interested in the type photograph collection should contact the Missouri Botanical Garden. PETER GOLDBLATT 1. Missouri Botanical Garden, 2315 Tower Grove Avenue, St. Louis, Missouri 63110, USA. MAY 1973

British Museum (Natural History), London, England Botanical Museum, University of Helsinki, Finland University of Oulu, Oulu, Finland Kuopio Museum, Kuopio, Finland University of Turku, Turku, Finland Université de Rennes, Rennes, France Botanisches Garten und Museum, Berlin-Dahlem Botanische Staatssammlung, München, West Germany University College, Galway, Ireland University of Tel-Aviv, Israel Hattori Botanical Laboratory, Nichinan, Japan National Science Museum, Tokyo, Japan Instituto de Biología, Mexico City, Mexico Rijksherbarium, Leiden, Netherlands University of Otago, Dunedin, New Zealand University of Be …

Regulations of the American Botanical Exchange. Geo. L. Fisher, 611 West Pierce Ave., Houston 6, Texas, U.S.A. The Exchange is to aid educational institutions, teachers and persons to make a collection of plant material for the Herbarium. The only conditions are that the Exchanger pays all postage and kgf for each herbarium sheet exchanged as part payment for printing the Exchange List. The same number of sheets to be chosen from the List of 8000 species. Write for the complete List. A limited number for sale at 5c each and postage. 10 sheets or less of species not on the List accepted. Free exchange and return p …

… e some contributing element. In this, I am as much concerned with methods by which the conservation of G.R. can be affected, via organization and management as I am with the actual conservation. I speak of botanical gardens, public and private, as well as the various commercial seed houses, of which there are a large number. In most countries botanical gardens formerly were the institutions in charge of introduction and spread of all types of plants, including those of commercial or food-producing interest as well as those of floricultural or other horticultural value. These institutions, at least in the United S …

DESCRIPTION OF THE SEED LABORATORY ACTIVITIES ================================================ The work of the Seed Laboratory fell into three main activities: 1. requests for seeds 2. requests for information 3. preparation and transmission of seeds 1. REQUESTS FOR SEEDS Seeds are requested by member countries, institutions, field experts, plant breeders, and individual specialists, which can at times be supplied directly from the stock held in the Seed Room. (requests are received via letters, word of mouth, in house staff through memos and Seed Laboratory visitors - usually field experts). If no stock is avail …

Bot. Club of AAAS which shall lead to a monunentation in conformity with what is now regarded as the best usage. 3. The question of the publication of botanical papers (articles) may well demand attention. We have several journals devoted to botany alone, and several others maintaining botanical departments. Now, might it not be well to provide for a "division of labor" so that each journal might develop its particular branch or department. Moreover, might not the club arrange for a more general distribution of botanical papers (articles), or a general system of exchange? 4. The relations of the botanists of the …

… of Business Manager, University of California, Berkeley Campus. Dear Mr. Norton, I have your letter of March 2 concerning exchange of plant material, with welcome communication from Mr. L. H. Sweeney. The Botanical Garden here is a scientific institution which, in keeping with precedent long established among such or- ganizations throughout the world, engages in free exchange of duplicate or surplus material with institutions of equal standing. I receive annually the exchange lists of approximately fifty Bo- tanical Gardens and propose as soon as facilities are available again to issue a list of offerings of thi …

… r exchange purposes. I shall, however, be very glad to supply you with reprints of such papers as I have at my command; and as indicated in a previous communication, I can supply you with named, duplicate, botanical specimens. Referring to your last paragraph: I think that it might be feasible to assist in financing botanical trips in Hawaii, the terms later to be arranged through the newly organized California Botanic Garden in Los Angeles. In this connection, you will doubtless be interested in the enclosed statement. I am already arranging for field work in botany at various places in the Orient through local …

… Meikle, Editor J. Horace McFarland Co. Harrisburg, Pennsylvania Dear Miss Meikle: With respect to the three questions in yours of May 6 I can make the following statements. From the first installation of a Botanical Garden at this University some fifty years ago limited exchange of seeds and living plant material has been carried on with similar institutions throughout the world. For the last twenty-five years this Botanical Garden has been concerned almost exclusively with development of research collections of a relatively few genera and of species of geographic areas. Among the most valuable, scientifically, o …

A special problem may be encountered in attempting to maintain collections of closely related species of plants in botanical gardens over several generations. This arises from the breakdown of normal ecological barriers to hybridization. Although first generation interspecific hybrids are usually obvious, intraspecific crosses may not be, and introgression can produce subtle variations that are not easily recognized. The problem of labelling and record keeping for field grown plants can become serious. Support for botanical gardens is often inadequate to hire the help needed to keep the specimens labelled and the …

Plants and flowers in the Botanical garden A. 1. Bryophyta B. 2. Tracheophyta C. 3. Lycopsida D. 4. Spermatophyta E. 5. Gymnospermae F. 6. Angiospermae G. 7. Monocotyledons H. 8. Dicotyledons I. 9. Orchids J. 10. Magnoliopsida K. 11. Magnoliopsida L. 12. Magnoliopsida M. 13. Magnoliopsida N. 14. Magnoliopsida O. 15. Magnoliopsida P. 16. Magnoliopsida Q. 17. Magnoliopsida R. 18. Magnoliopsida S. 19. Magnoliopsida T. 20. Magnoliopsida U. 21. Magnoliopsida V. 22. Magnoliopsida W. 23. Magnoliopsida X. 24. Magnoliopsida Y. 25. Magnoliopsida Z. 26. Magnoliopsida 1. 27. Magnoliopsida 2. 28. Magnoliopsida 3. 29. Magnolio …