Title: Correspondence
Subjects: Correspondence, Euphorbiaceae, Anacardiaceae, Croton alabamensis, Yucca, Darbya, Liliaceae, Santalaceae, Rhus, Pinaceae, Euphorbia, Fagaceae
People: Charles Mohr (1824-1901), A. W. Chapman (1809-1899), George Engelmann (1809-1884), Geo. C. Woolson (1848-1924), Charles Sprague Sargent (1841-1927), Samuel Edson Cassino (1856-1937)