Bassett and Celia Maguire: A Legacy in Leaves and Lenses

By Ethan Harry, Cecilia Zumajo-Cardona

Oct 27 2025

Bassett Maguire, born in 1904 in Alabama, rose from a curious young student to a world renowned botanist. After earning his doctorate from Cornell, he taught at Utah State and founded the Intermountain Herbarium. His life's work took a new direction when he joined the New York Botanical Garden (NYBG) in 1943. A few years later, he met Celia Kramer, a brilliant and fearless partner who became not just his wife, but his closest partner in all of life.

Together, Bassett and Celia spent decades exploring the wildest corners of the Americas—from the Amazon to the Andes, and the rainforests of Central America. They mapped, photographed, pressed, and cataloged thousands of plant species. Celia once wrote in her journal, “We laid the leaves out every night, afraid mold would take them before morning” (Bassett Maguire records). Bassett was equally poetic, recalling their first night in Cerro de la Neblina, Venezuela: “A moment when science met the soul of the earth” (Bassett Maguire records). Their expeditions brought hundreds of new species to science and helped shape what we know today about tropical ecosystems.

Building NYBG's Legacy

Bassett became a world authority on the tropical tree family Clusiaceae, extensively collecting and researching this group. Throughout his career he expanded the Steere Herbarium holdings by collecting over 100,00 South American specimens. Bassett didn’t just collect plants, he built systems. At NYBG, he became Director of Botany and he launched major expeditions, secured national grants, and helped transform NYBG into a leading center for tropical research. His fieldwork shaped the garden for generations. As one colleague put it: “Bassett believed exploration [was the Garden’s mission]...his energy was limitless, and his results extraordinary” (Fraser & Sinon, 2019).

The Maguire Slide Collection: A Hidden Treasure Rediscovered

The Bassett & Celia Maguire Slide Collection, stored in the Pfizer Laboratory building at NYBG, includes thousands of microscope slides showing pollen, seeds, plant cells, and flower parts of Clusiaceae and other tropical plants. It is currently being catalogued and imaged to make it more discoverable. This collection represents 1952 species in 3000 pollen slides and 3254 anatomy slides. This rediscovered collection is vital for understanding biodiversity, climate change, and rare species. With detailed notes from both Maguires, it’s a time capsule of botanical discovery.

Read More about the Maguires’ herbarium specimens and corresponding slides.


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A Closer Look


Sources:

Bassett Maguire Records (RG-04-20). Archives, The LuEsther T. Mertz Library, New York Botanical Garden. https://nybgarchives.libraryhost.com/repositories/2/resources/84

Boom, B. M., R. A. Howard, and W. R. Buck (1990). "The Bassett Maguire festschrift: a tribute to the man and his deeds." Memoirs of the New York Botanical Garden 64:1-302.

Fraser, S. and Sinon, S. (May 2019). “LuEsther T. Mertz Library Collection: Bassett Maguire Archive”. New York Botanical Garden Plant Talk Blog, New York Botanical Garden. Retrieved 12 September 2025 from https://www.nybg.org/blogs/plant-talk/2019/05/garden-news/luesther-t-mertz-library-collection-bassett-maguire-archive/

Maguire, B. (1954). Field notebook, Amazonas expedition (unpublished). Bassett Maguire Records (RG-04-20). Archives, The LuEsther T. Mertz Library, New York Botanical Garden. https://nybgarchives.libraryhost.com/repositories/2/resources/84

Maguire, Bassett (1904–1991). JSTOR – Global Plants. Retrieved 12 September 2025 from https://plants.jstor.org/stable/10.5555/al.ap.person.bm000005323