Title: Correspondence
Subjects: Ephedra, Euphorbiaceae, Fagaceae, Opuntia, Juncus, Plant ecology, Juncaceae, Cereus, Parish Brothers (Nursery), Liliaceae, Yucca, Euphorbia, Correspondence, Mamillaria, Botanical specimens, Mentzelia, Dicentra, Papaveraceae, Loasaceae, Gnetaceae, Collection and preservation, Pinaceae
People: Sereno Watson (1826-1892), George Engelmann (1809-1884), C. C. Parry (1823-1890), Charles Sprague Sargent (1841-1927), S. B. Parish (1838-1928), Edward Lee Greene (1843-1915), Thomas Meehan (1826-1901), Cyrus G. Pringle (1838-1911), George Vasey (1822-1893)