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1865–1944
A longtime USDA botanist, he helped turn fiber plants like hemp and flax into serious subjects of American agricultural research. His work sits at the crossroads of botany, farming, and early industrial science.

by Lyster H. (Lyster Hoxie) Dewey, Jason L. Merrill
Born in Cambridge, Michigan, in 1865, Lyster Hoxie Dewey studied at Michigan Agricultural College, graduating in 1888. He then taught botany there before joining the United States Department of Agriculture in 1890.
At the USDA, Dewey studied grasses and became especially known for his work on fiber plants, including hemp and flax. Sources consulted during this search agree that he spent decades with the department and later led fiber investigations, building a reputation as an important American botanist in this field.
He retired in 1935 and died in 1944. Dewey is still remembered for practical, closely observed research that connected plant science with everyday agricultural use.