Recherches sur l'usage des feuilles dans les plantes et sur quelques autres sujets relatifs à l'histoire de la végétation.

4to: viii-343 pp.; 31 pl. (text sl. toned, mostly without usual browning or foxing).

Contemp. mottled calf, gilt coat of arms on cover, spine with 6 raised bands, rich gilt compartments, brown morocco label with gilt title, later blank endpapers, all edges red (board edges rubbed, rebacked with the old spine laid down). Good, large margined copy.

First edition. This work marks the beginning of the research of photosynthesis, the basis of the most important metabolistic process on earth. DSB: "For his masterly experimentation Bonnet should be considered one of the first naturalists to investigate experimentally the question of photosynthesis". Ill. with an engr. title vign. and 31 fold. engr. pl. by Van der Schley and Wandelaar.
Ref. DSB II: 286. - Nissen (BBI) 201.
Prov. "C.J. Heise" (sm. ms. entry). - Unidentified coat of arms.