Content Description From the Collection: This collection consists of correspondence and miscellaneous materials belonging to taxonomist and collector Arthur Wallis Exell (1901–1993).Letters (all handwritten and signed):1. Exell to Le Testu, n.p., n.d. (ca.1951). French, 2 pagesExell discusses Georges Le Testu’s (1877–1967) offer to leave his herbarium to the British Museum; remarks that he is working on the Conspectus Florae Angolensis (Lisboa, Portugal, 1937) with Francisco...