Title: Correspondence
Subjects: Correspondence, Isoetaceae, Botanical specimens, Health, Begoniaceae, Fossil Plants, Collectors and collecting
People: J. A. Warder (1812-1883), George Engelmann (1809-1884), Elihu Hall (1822-1882), C. C. Parry (1823-1890), Alexander Braun (1805-1877), Asa Gray (1810-1888), Thomas Drummond (1807-1837), George Mercer Dawson (1849-1901), Henry N. Bolander (1831-1897), Leo Lesquereux (1806-1889), Gaston Saporta marquis de (1823-1895)