These records consist of incoming correspondence to Ellen W. Cathcart, scientific assistant in the Division of Botany, United States Department of Agriculture, and concern the identification, determination, and exchange of cryptogams. Some of the correspondence was addressed to Frederick Vernon Coville, Curator of the United States National Herbarium, but was referred to Cathcart for reply.
Smithsonian Institution Archives, Record Unit 236, United States National Museum. Division of Plants, Correspondence
Smithsonian Institution Archives
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