Every medicine exhibits peculiar actions on the human frame, which are not produced in exactly the same manner by any other medicinal substance of a different kind.1 1 This fact was also perceived by the estimable A. v. Haller, who says (Preface to his Hist. stirp. helv.): Latet immensa virium diversitas in iis ipsis plantis, quarum facies externas dudum novimus, animas quasi et quodcunque caelestius habent, nondum perspeximus.

Every medicine exhibits peculiar actions on the human frame, which are not produced in exactly the same manner by any other medicinal substance of a different kind.1 1 This fact was also perceived by the estimable A. v. Haller, who says (Preface to his Hist. stirp. helv.): Latet immensa virium diversitas in iis ipsis plantis, quarum facies externas dudum novimus, animas quasi et quodcunque caelestius habent, nondum perspeximus.