Mix the frankincense oil with the oak moss and then add the remaining ingredients. Stir the potpourri well and store in a tightly covered ceramic or glass container.
(The above recipe for "Beltane Ritual Potpourri" is quoted directly from Gerina Dunwich's book "The Wicca Spellbook: A Witch's Collection of Wiccan Spells, Potions and Recipes", page 162, A Citadel Press Book, Carol Publishing Group, 1994/1995)