Robert John Thornton's evocative botanical prints from the New Illustration of the Sexual System of Carolus von Linnaeus (1807)

Robert John Thornton, Large Flowering Sensitive Plant

Robert John Thornton, Pitcher Plant

Robert John Thornton, The Quadrangular Passion-Flower

Robert John Thornton, The Night-Blowing Cereus

Digitized plates from the New Illustration of the Sexual System of Carolus von Linnaeus are available online through the New York Public Library's digital collections.