What is a fetid gum resin obtained from a species of Ferula. It has been used in hysteria, etc., but is now seldom met with. U. S. Disp called?

sagapenum — A fetid gum resin obtained from a species of Ferula. It has been used in hysteria, etc., but is now seldom met with. U. S. Disp. (Webster's 1913.)

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