Title: Correspondence
Subjects: Correspondence, Pinaceae, Convovulaceae, Cyperaceae, Carex
People: Samuel Barnum Mead (1799-1880), George Engelmann (1809-1884), M. A. Curtis (1808-1872), H. P. Sartwell (1792-1867), William Darlington (1782-1863), Peter D. Knieskern (1798-1871), John Torrey (1796-1873), Asa Gray (1810-1888)