Ruta graveolens the isolation of the furanocoumarin chalepensin. The essential oil of "R. graveolens" contains two main constituents, undecan-2-one (46.8%) and nonan-2-one (18.8%). The bitter taste of its leaves led to rue being associated with the (etymologically unrelated) verb "rue" "to regret". Rue is well known for its symbolic meaning of regret and it has sometimes been called "herb-of-grace" in literary works. It is one of the flowers distributed by the mad Ophelia in William Shakespeare's "Hamlet" (IV.5): It was planted by the gardener in "Richard II" to mark the spot where the Queen wept upon hearing news of Richard's capture (III.4.104–105):
Critical approaches to Hamlet not know the danger and thus was killed by the water, innocently. The burial of Ophelia reveals more of the religious doctrines in question through the Priest overseeing the funeral. Scholars have carefully outlined the "maimed rites" (as Hamlet calls them) carried out by the Priest. Many things are missing in her funeral that would normally make up a Christian burial. Laertes asks, "What ceremony else?" The priest answers that since her death was questionable, they will not give her the full funeral, although they will allow her "maiden strewments", or flowers which were thrown into her grave. In cases