Papers, letters, documents and memoranda of historical interest. Botanical Section, Academy of Natural Sciences of Philadelphia. Book started January 22, 1901, by John W. Harshberger, Ph.D., Recorder. More than half of the items consist of program or meeting announcements of the many local botanical groups.

Gift of the Section.

Philadelphia botanist, biographer, historian and professor, Harshberger's correspondence is chiefly with 86 other botanists. His book "Botanists of Philadelphia and Their Works," protrays a history of American botany along with the biographies.

Gift of Zoo-Botany Department, University of Pennsylvania through Dr. John Fogg and Mrs. Ida Langman, Dec. 21, 1959

Official correspondence of the Society for the years mentioned and lists of members, with addresses, years for which dues were paid, and reasons for leaving the Society. Some news clippings and obituary notices are included. The list of members is contained in three notebooks (1) 1891-1922, Arthur N. Leeds, Treasurer (2) 1922 ( ?) - 1938 (3) Former members, 1891-1937.

Gift of the Society under the authority of Benner and Long, September 18, 1959.