Title: Correspondence
Subjects: Correspondence, Botanical specimens, Juncus, Lichens, Convovulaceae, Fungi, Characeae, Juncaceae, Chara, Algae
People: George Engelmann (1809-1884), Edward Tuckerman (1817-1886), William Starling Sullivant (1803-1873), Charles Sprague Sargent (1841-1927), Thomas Drummond (1807-1837), Augustus Fendler (1813-1883), M. Carey Lea (1823-1897), Leo Lesquereux (1806-1889), Asa Gray (1810-1888)