Title: Correspondence
Subjects: Correspondence, Academy of Science of St. Louis, Description and travel, Aristolochiaceae, Verbena, Labor, United States, United States. Mississippi River Commission, Vitaceae, Magnoliaceae, Verbenaceae, Aristolochia, Pinaceae
Places: Europe, West (U.S.)
People: George Engelmann (1809-1884), Paul Schultze (1848-1895), Theod. C. Hilgard (1828-1875), Charles Darwin (1809-1882), B. F. Shumard (1820-1869), Eugene W. Hilgard (1833-1916), Adolf Scheele (1808-1864), Joseph Decaisne (1807-1882), Leo Lesquereux (1806-1889)