Georg Dionysius Ehret
Watercolor on vellum.
9 7/8 x 6 3/4 inches (251 x 171 mm)
Inscribed in pen and ink, below center: Lepidium petraeum. Lin.
Margaret Cavendish Harley Bentinck, Duchess of Portland, Bulstrode, England; her sale, London, Portland Museum, Skinner, 24 April 1786 ff. (to Walker); Mrs. Elizabeth Walker; by descent to John Walker Ford; H. P. Kraus, New York.
One of 73 drawings of ferns, flowers, and fungi by Ehret (1978.8:1-73).