(Paris, L'Imprimerie Royale, 1750). 4to. Extract from "Mémoires de Mathematique et de Physique, Présentés à l'Academie des Sciences par divers Savans", Tome I. Pp. 420-446.
First appearance of a pioneer work on plant physiology.
"Bonnet is considered one of the fathers of modern biology. He is distinguished for both his experimental research and his philosophy, which exerted a profound influence upon the naturalists of the eighteenth and nineteenth centuries. " (D.S.B. II: 286).