This doctrine was held for many centuries, and drugs are classed by all the old herbalists as having one or other of these qualities in a greater or less degree.
From an equally loose application of the word "fir" by our older herbalists, it is difficult to decide upon the date of introduction of this tree into Britain; but it was commonly planted for ornamental purposes in the beginning of the 17th century.
The earliest known descriptions of the foxglove are those given by Leonhard Fuchs and Tragus about the middle of the 16th century, but its virtues were doubtless known to herbalists at a much remoter period.
Many European villages had resident herbalists; and many of these traditional remedies were brought to America.
qualified medical herbalists treat patients individually, with individually formulated herbal medicine, which may contain a number of active herbal ingredients.