PEC. Plant Exploration Collections

Content Description

The Frank Nicholas Meyer Collection consists of a typescript, a certificate, and photographs of Meyer.

Content Description The USDA Division of Plant Exploration and Introduction Photograph Collection consists of lantern slides and negatives from three U.S. Department of Agriculture (USDA) plant-collecting expeditions, as follows: a trip to Southeast Asia and China in the latter half of 1922, possibly by J. F. Rock; a forage and fruit collecting trip to Germany and the Soviet Union from July to September 1929 by H. L. Westover and W. E. Whitehouse; and an expedition to Caucasus (now part of Azerbaijan, Armenia,...

Content Description The USDA Forage Crop Investigations Notebooks consist of field notes written by William J. Morse from 1909 to 1930 while he was working for the U.S. Department of Agriculture (USDA) Forage Crop Investigations. There are 55 handwritten ledgers documenting Morse's discoveries of foreign plants throughout his international travels. Almost half of the field notes relate to the Dorsett-Morse Oriental Agricultural Exploration Expedition of 1929 to 1931. See also the Dorsett-Morse Oriental...

Content Description The Isabel Shipley Cunningham Collection on Howard Scott Gentry consists of articles, notes, photographs, and Cunningham's drafts of articles on Howard Gentry's expeditions as a plant collector. Cunningham collected these materials to write several articles about Gentry. The bulk of the collection highlights Gentry's professional work through articles, documents, correspondence, photographs, and personal accounts from friends, co-workers, and family. The collection is arranged into four...

Content Description

The Roland Maurice Jefferson Collection contains articles, correspondence, email messages, documents, lectures, photographs, programs, and other notes. The majority of the collection highlights Jefferson's work, including plant expeditions for cherry trees at the United States National Arboretum and his post-retirement lectures. The collection also mentions Jefferson's work with plant labels, crabapples, the dogwood seed exchange program, and the President Reagan Cherry Tree.

Content Description

The Joseph Francis Charles Rock Papers contain a bibliofilm (microfilm photograph) of Rock's specimen notebook from 1928. The notes list plant specimens by number, followed by a description of the specimen and its location or altitude. The actual specimens are housed at the Harvard University Herbaria.

Content Description The Palemon Howard Dorsett Collection on Persimmons contains 200 photographs of persimmon fruits, trees, orchard workers, and related views. The photographs were taken by Dorsett on several plant exploration trips to Asia between 1924 and 1930. There are many handwritten captions and Chinese writing. Materials originated from the USDA New Crops Research Branch offices in Beltsville, Maryland. Some of the photographs may duplicate those found in the Dorsett-Morse Oriental Agricultural...

Content Description The USDA Plant Introduction Station Records consist of correspondence, notes, reports, plant inventories, photographs, lists, books, and drawings from files compiled by the Bureau of Plant Industry's plant introduction garden in Miami, Florida. The bulk of the files contain primarily notes, correspondence, clippings, and pamphlets on the subject of mangoes. There is also original and copy correspondence between David G. Fairchild and personnel at the Miami station. Other records include...

Content Description

The USDA Chestnut Tree Research Records documents chestnut tree seed distribution and growth across the United States, England, and Canada in the early-to-mid-twentieth century. The program served to reintroduce and monitor the progress of various species of chestnut trees following the introduction of Cryphonectria parasitica, or chestnut blight, from East Asia to North America and Europe in the early 1900s.

Content Description

Materials consist of field and plant collector notebooks, biological specimens, correspondence, publications, photographs, negatives, and slides.