Title: Correspondence
Subjects: Hibiscus, Compositae, Fagaceae, Psilotaceae, Bignoniaceae, Botanical illustration, Yucca, Correspondence, Botanical specimens, Iva, Malvaceae, Vitaceae, Catalpa, Liliaceae, Asclepiadaceae, Psilotum, Pinaceae
People: George Engelmann (1809-1884), J. H. Mellichamp (1829-1903)