PLANT GEOGRAPHY -- WAHLENBERG, G. De vegetatione et climate in Helvetia Septentrionali inter fluminem Rhenum et Arolam observatis (…). Zürich, Imp. Orell, Fuessli & Socc., 1813. xcviii, blank, 200 pp. W. 4 fold. tables. Fine cont. (?) h. mor. bind. (A bit age-toned but in very good condition). - First edition.