T*'.-^ GOREIIST F^^"^ -^ -SEEDS and FRUITS of NORTH AMERICAN PAPAVERACEAE
I \ T*'.-^ GOREIIST f^^"^ -^ -SEEDS AND FRUITS OF NORTH AMERICAN PAPAVERACEAE Techhici^l Bulletin No. 1517 \ Í,%/ >' )' ' , ^- v^ o I i;-j cur ""*"■• ~ ::o '-^- \ :s^y "' "x7 ' "i^« " ^ ^*.C , ; —i ,^ 3^0, c^ ., J: -' '"'""* irr ;-^.•~n kl ^"^ ', !.' "* - i^ ; '\ Í «i-^ 5>-^". crt) . ' "'- - .-*■ r '-'\\ T'Y ^/ 0^- £: r- :^o --^-V , 03: "**'* f^ c/^ / ^J Agricultitral Research Service UNITED STATES DEPARTMENT OF AGRICULTURE ' \ / ' 677595 ( ■ ■/ ' / . I ■ -■ ,i I reí ^ '' ¿^S'^// 33 SEEDS AND FRUITS OF NORTH AMERICAN PAPAVERACEAE By Charles R. Gunn and Margaret J. Seldin Technical Bulletin No. 1517 Agricultural Research Service UNITED STATES DEPARTMENT OF AGRICULTURE ACKNOWLEDGMENTS We express our appreciation to the following associates, correspondents, and foundations that supplied seeds and plants or information: L. Arnow, Garrett Herbar- ium, University of Utah, Salt Lake City; E. S. Ayensu, Botany Department, Smith- sonian Institution, Washington, D.C.; J. H. Beaman, Department of Botany, Michigan State University, East Lansing; K. L Beamish, Department of Botany, University of British Columbia, Vancouver; R. M. Beauchamp, Bronx, N.Y.; S. H. Bullock, Biology Department, University of California, Los Angeles ; A. Ceska, Department of Biology, University of Victoria, Victoria, British Columbia ; K. L. Chambers, Department of Botany, Oregon State University, Corvallis; R. Clinebill, Wyoming, 111.; R. Coombs, Department of Botany, Dixie College, St. George, Utah ; J. Cullen, Royal Botanic Gar- den, Edinburgh, Scotland; D. S. Douglas, U.S. Soil Conservation Service, Portland, Oreg. ; J. A. Duke, Plant Taxonomy Laboratory, U.S. Agricultural Research Service, Beltsville, Md.; F. R. Earle, New Crops Screening Investigations, Peoría, 111.; H. W. Everett, U.S. Soil Conservation Service, Lexington, Ky. ; H.
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