It is unclear whether this paper was published before or after the preliminary diagnoses in
Bulletin de la Société Philomathique de Paris. The front page of the journal states 1881 but the preceding paper by botanist Joseph Decaisne was stated to be still in press when his author passed away, in february 1882 [
La Revue Scientifique de la France et de l'Etranger, p. 212]