Barton, William
Flora of North America
Philadelphia, 1821-23

Hand-colored engraving of the Prunella Pennsylvanica, from Dr. William Barton's A Flora of North America (Philadelphia: Carey & Lea, 1821-23). Barton, a professor of botany at the University of Pennsylvania, drew the plants he describes in this book from nature.

PSPA Folio QK 112 LB37 1821 (3v.)

Detail (194K)

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