Description: [view in Spanish][edan-image:id=siris_sic_9227,size=110,left]Exchanging specimens is essential in botanical research: Herbaria swap their duplicates in return for specimens they lack. Such international trading is based on relations established through correspondence and research trips, relations that endure through generations of botanists. By the early twentieth century,
Description: Alphonso Lorenzo Jones joined the Smithsonian in 1924 as a mechanic. He retired 41 years later as the chief of the Institution’s duplicating office.