Isaac Colby and John Torrey correspondence, 1840
New York Botanical Garden Archives.
John Torrey papers ; series 1, correspondence.
Correspondence from Isaac Colby to John Torrey, dated July 20, 1840, discussing the numerous specimens of Carex he has collected in New England and Ohio. Colby includes a list of the nearly seventy species he has identified thus far.
Torrey, John, 1796-1873
John Torrey Papers
New York Botanical Garden
Find in a local library