Title: Correspondence
Subjects: Plants, Fagaceae, Vitaceae, Heuchera, Cereus, Pseudotsuga, Gentianaceae, Yucca, Correspondence, Opuntia, Classification, Gentiana, Cupressaceae, Liliaceae, Pinaceae, Saxifregaceae, Rosaceae
Places: Iowa, Colorado
People: J. W. Robbins (1801-1879), George Engelmann (1809-1884), Thomas C. Porter (1822-1901), Marcus E. Jones (1852-1934), C. C. Parry (1823-1890), Cyrus G. Pringle (1838-1911), George Vasey (1822-1893)