Earl Grey, etc. is a term used to refer to a variety of teas. It is named after Charles Grey, the 2nd Earl Grey, who was Prime Minister of the United Kingdom from 1830 to 1834. The term is used to describe any tea that is flavored with bergamot oil, which is derived from the rind of the bergamot orange. Earl Grey, etc. can also refer to any tea that has been blended with other flavors such as citrus, spices, or herbs.