The only mode of combating the malady seems to be to uproot the plants and burn them.
In September of the same year his physical malady reached a crisis, from which he emerged a helpless wreck, with faculties paralysed rather than destroyed - "He never talked nonsense or said a foolish thing."
The same year symptoms of a fatal malady appeared, and death followed on the 8th of February 1874.
In 1872 grief for the death of his mother occasioned a mental malady, which led to the resignation of his professorship. After his complete and permanent recovery he built himself a villa on the bank of his native river, the Astichello, and lived there in tranquillity until his death on the 17th of May 1888.
Of the progress of the malady, and the circumstances attending the death of Mirabeau, Cabanis drew up a detailed narrative, intended as a justification of his treatment of the case.