PEC. Plant Exploration Collections

Content Description

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

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 Dorsett-Morse Oriental Agricultural Exploration Expedition Collection consists of seven photograph albums of the 1929-1931 Oriental Agricultural Exploration Expedition illustrating plant varieties and uses, landscapes, and Asian cultural practices. In addition to the photographs, the collection contains diaries written by P. H. (Palemon Howard) Dorsett and W. J. (William Joseph) Morse as a complete report of their work. Combining memoranda, expense reports, itineraries, maps,...

Content Description The Isabel Shipley Cunningham Collection on Frank Nicholas Meyer consists of photocopies of original correspondence, documents, and articles relating to Frank N. Meyer (1875-1918), U.S. Department of Agriculture (USDA) plant explorer from 1902 to 1918. The materials were collected by Isabel S. Cunningham during research for her book, Frank N. Meyer: Plant Hunter in Asia. In April 2006, Cunningham donated more of her research notes, articles, photographs, and a first edition annotated copy of...

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.

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 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...