Title: Correspondence
Subjects: Correspondence, Germination, Academy of Natural Sciences of Philadelphia, Fagaceae, Tubers
People: George Engelmann (1809-1884), J. H. Mellichamp (1829-1903), W. St. J. Mazyck (1827-1901), Thomas Meehan (1826-1901), Henry William Ravenel (1814-1887)