Title: Correspondence
Subjects: Correspondence, Botanical specimens, Foeniculum vulgare, Meteorology, Mexican War, 1846-1848, Spanish moss, Collection and preservation, Observations, Fossil Trees, Linaceae
People: A. W. Chapman (1809-1899), Moses M. Greenwood (1834-1928), G. D. Butler (1850-1910), George Engelmann (1809-1884), F. A. Wislizenus (1810-1889), Josiah Gregg (1806-1850), J. L. Zabriskie