Supplement to a Treatise on the North American Ranunculi

Opportunities for study.(a) In the summer of 1949 continued field study as, a member of the teaching staff of the Montana State University Biological Station at Flathead Lake near Big Fork, Montana, together with collection of specimens in travelling over circuitous routes between Califomia and Montana; (b) in the summer of 1950 study in England at the Herbarium of Linnaeus of the Linnaean Society of London, at the Royal Botanic Gardens, at Oxford University, and at the British Museum of Natural History; in France at the Mus,eum National d'Histoire Naturelle in Paris; in Switzerland at the Conservatoire Botanique in Geneva; and in Sweden at the Naturhistoriska Riksmuseum in Stockholm; (c) in the summer of 1950 field work in limited amounts in England, Switzerland, and southern Sweden, and more intensively in the vicinity of Lake Tornetr6sk in Swedish Lapland on an excursion arranged by the Seventh International Botanical Congress; (d) each year since 1948 determination of additional herbarium materials received as a result of appearance of A Treatise on the North American Ranunculi; (e) in 1950 and 1952 field research in the vicinities of Fairbanks and Point Barrow, on Kodiak Island, and in the Aleutian Islands, Alaska, on a research grant from the Arctic Institute of North America and through the courtesy of the Office of Naval Research of the United States Navy and the Arctic Research Laboratory at Point Barrow.