thee principal: Exodus 37:29; Psalms 45:8; Proverbs 7:17; Song of Solomon 1:3, Song of Solomon 1:13, Song of Solomon 4:14; Jeremiah 6:20; Ezekiel 27:19, Ezekiel 27:22
pure myrrh: Myrrh is a white gum, issuing from the trunk and larger branches of a thorny tree resembling the acacia, growing in Arabia, Egypt, and Abyssinia. Its taste is extremely bitter; but its smell, though strong, is agreeable; and it entered into the composition of the most costly ointments among the ancients. The epithet deror:, rendered pure, properly denotes fluid, from the Arabic darra:, to flow; by which is meant the finest and most excellent kind, called stacte:, which issues of itself from the bark without incision.
cinnamon: Kinnamon bosem:, odoriferous or spicy cinnamon, is the bark of the canella, a small tree of the size of a willow growing in the island of Ceylon.
sweet calamus: Kenaih bosem:, calamus aromaticus:, or odoriferous cane, is a reed growing in Egypt, Syria, and India, about two feet in height, bearing from the root a knotted stalk, quite round, containing in its cavity a soft white pith. It is said to scent the air while growing; and when cut down, dried, and powdered, makes an ingredient in the richest perfumes.