Primarily copies of letters written by Goodspeed and his associate, Helen-Mar Wheeler, to various botanists, museums, botanical gardens, government agencies; and replies, exchanging information on tobacco, plant specimens, and viable seed. Some comment on response of tobacco to X-rays.

Appended to some letters: plant specimens, photographs, lists of queries and specimens sent, with specific information on genetic, morphological and taxonomic characteristics.

Thomas Harper Goodspeed, botanist and cytologist, was born in Springfield, Massachusetts in 1887. In 1909, he received the A.B. degree from Brown University, and in 1912, was awarded the Ph.D. from the University of California at Berkeley.He joined the faculty of the Botany Department at Berkeley in 1912, and in 1928 became a full professor. From 1926 to 1934, Goodspeed was curator of the Botanical Gardens, and served as its director from 1934 until his retirement from the University in 1957.

Number of containers: 3 boxes Linear feet: 1.25

Copyright has not been assigned to The Bancroft Library. All requests for permission to publish or quote from manuscripts must be submitted in writing to the Head of Public Services. Permission for publication is given on behalf of The Bancroft Library as the owner of the physical items and is not intended to include or imply permission of the copyright holder, which must also be obtained by the reader.

Collection is open for research.