Adrien de JUSSIEU (1797-1853), botanist, he replaced his father, Antoine-Laurent de Jussieu, in the chair of botany at the Muséum. Autograph letter signed to Alphonse de Cailleux (1788-1876), painter, curator and administrator of the Royal Museums. 1 p. in-4. [Paris], 2 March 1833. Address on the back with postmarks. "Allow me to ask your kindness for admission tickets to the Museum for mornings and Mondays. The title of member of the Institut is the one I will use to obtain this favour [...]".