Should phlegmatic humors accumulate in the joints, let the medicines be made bitter by hermodactylus, turpeth, or esola according to their individual dosage. Should they be hot humors which are accumulated in them, let the medicines be made bitter by scammony, rhubarb, reuponticum, or cassia fistola. Take note that medicines such as scammony, turpeth, agaric and the like, which are very potent and virulent, should be corrected by the aforementioned medicines before mixing them with the compounds, according to their individual dosage. Note particularly it is proper that the dosage of the bitters which enter into the composite medicines should be, as it is said in the treatise on the simples.