From "The Herb Garden Cookbook" (Gulf, $12.95), by Lucinda Hutson. If lemon verbena or lemon balm are unavailable, mint may be substituted.
2.
Gently wring the bunches of lemon balm and mint to release the flavor. Place in a large glass pitcher, cover with the juices and the lemon slices. Chill overnight, occasionally stirring and pressing down on the herbs with the back of a wooden spoon. Pour into iced glasses with a splash of sparkling water or champagne and a sprig of fresh lemon balm or mint.