Nicolas Lemery - Dictionnaire universel des drogues simples - 1748

The image you shared most likely comes from an edition of "Dictionnaire universel des drogues simples" by Nicolas Lémery, published in 1748. This work is an encyclopedic dictionary of medicinal substances of vegetal, animal, and mineral origin, used by apothecaries and physicians in the eighteenth century.

Page description:

The plate shows 16 botanical engravings, each accompanied by the Latin name of the plant and a page reference.
The illustrations depict various medicinal plants such as Vitex, Urtica (nettle), Xanthium, Ammi, Burdock, etc.
This type of plate was used to visually identify the plants described in the text.
Historical context:

Nicolas Lémery (1645-1715) was a renowned French chemist and pharmacist.
His dictionary was reissued several times in the 18th century, and it gathered the knowledge of the time about the medicinal properties of simple drugs.
The engraved boards were an essential tool for avoiding confusion between species.

The back is in primer, and the first plank is cut in half...