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):
Hamlet (Liszt) political views who is waiting for the right moment to complete his work of revenge and come to the aim of his ambition, that is, to be crowned king in place of his uncle. This goal can naturally not be reached in twenty-four hours and the clever anticipation which Shakespeare has put into the role of Hamlet and the negotiations with England which come clearly to the light of day at the end of the drama according to my view justify Dawson's interpretation, which Herr von Goethe and the aesthetes should not take too badly. Regarding Ophelia, Liszt wrote: "She