This volume contains herbs useful for the lungs, sinus and related organ tissue. Herbs include two lungworts (one plant and one lichen), coltsfoot, duckweed, balloon flower, cherry bark, eyebright, elecampane, gumweed, horseradish, hyssop, ivy, jacob's ladder, know mother root, lobelia, milkweeds, mullein, plantain, senega root, skunk cabbage, sundew, thyme and more.