[2] He made a cast of the Rosetta Stone which allowed the reproduction of its Greek and Demotic inscriptions in his Description de l'Égypte.
[3] In 1802, Delile was appointed French vice consul at Wilmington, North Carolina, and also asked to form an herbarium of all American plants that could be naturalized in France.
He sent to Paris several cases of seeds and grains, and discovered some new graminea and presented them to Palisot de Beauvois, who described them in his Agrostographie.
Raffeneau made extensive explorations through the neighboring states, and, resigning in 1805, began the study of medicine in New York.
published Raffenaldia, a genus of flowering plants from Algeria and Morocco, belonging to the family Brassicaceae.