A key to Henslow's botanical charts.
By Eliza A. Youmans.

APA Citation

Henslow, J. S. (John Stevens)., Youmans, E. A. (Eliza Ann). (1873). A key to Henslow's botanical charts. New York: D. Appleton and company.

MLA Citation

Henslow, J. S. (John Stevens), 1796-1861, and Eliza A. (Eliza Ann) Youmans. A Key to Henslow's Botanical Charts. New York: D. Appleton and company, 1873.

Warning: These citations may not always be complete (especially for serials).