Henriette's herbal blog: They're aromatic, then bitter, then tingly.
Classic texts: Journals: NEMAQ 1934-1935.
Archives: Best of the Herbal Forums: 06.1996.
Archives: Best of the Herbal Forums: 08.1995.
Archives: Best of the Herbal Forums: 07.1995.
Archives: Best of the Herbal Forums: 02.1994.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.