Historia Filicum; an Exposition of the Nature, Number and Organography of Ferns, and Review of the Principles Upon Which Genera Are Founded, and the Systems of Classification of the Principal Authors, With a New General Arrangement

Historia Filicum; an Exposition of the Nature, Number and Organography of Ferns, and Review of the Principles Upon Which Genera Are Founded, and the Systems of Classification of the Principal Authors, With a New General Arrangement