Botrytis cinerea is the latin name for one of many molds which attacks grapes on the vine. When desirable, under the proper conditions and at the proper time, this mold will often have a beneficial affect upon the resulting wine's quality. Grapes affected beneficially by the mold, called noble rot, with rasinate on the vine concentrating flavors and aromas. The resulting wines may smelI more or less like honey and peaches or apricots. Sauternes is a famous wine that uses Botrytized grapes. (Wine/Tasting Terms Production)