Scope and Contents: This collection, approximately 1820-1904, includes the personal correspondence of Asa Gray and Sereno Watson, official correspondence of other Herbarium staff, and a small amount of correspondence of noted botanists who were not affiliated with Harvard. Gray correspondence contains letters from several of the most distinguished European and American scientists of the 19th century, including George Bentham, Charles Darwin, Joseph Henry, Joseph Dalton Hooker, William Jackson...

Scope and Content:

Watson’s papers consist primarily of notebooks, correspondence, and maps pertaining to Watson’s career as a botanist.