Calamus

Calamus, even known as Sweet Flag, have been used in different cultures for thousands of years, with varying purposes such as to thwart infectious, stimulate appetite and as an aphrodisiac.
The root has also been used extensively as a flavoring of liquors, beers and spirits as late as the 1960s. Calamus is one of the main ingredients of absinthe and the original recipe for the soft drink Dr. Pepper. The root has also been used extensively in the perfume industry and in the manufacture of powdered wigs. In the 1960's and 70's calamus was used in dry shampoos. 

In perfume calamus provides a strong spicy fragrance.