Virginian potato in John Gerard’s Herball (ca. 1633).
Gerard, John, William Rogers, John Norton, John Payne, and Rembert Dodoens. The Herball, Or, Generall Historie of Plantes. Gathered by Iohn Gerarde of London Master in Chirurgerie very much enlarged and amended by Thomas Iohnson citizen and apothecarye of London. London: By Adam Islip Ioice Norton and Richard Whitakers, 1633 (p. 927).