Some plant entries are mugwort, cypress, mandrake root, grapes, chamomile, muscat, and marrubium (horehound). Horehound was introduced to southern Australia in the 19th century as a medicinal herb. Horehound drops are bittersweet hard candies made with sugar and an extract of "M.vulgare". He also wrote that water horehound was not used in medicine. Horehound is the debut studio album by American rock band the Dead Weather. The genus name "Marrubium" derives from the Latin word "marrubii", meaning horehound.