* Full Leaf Tea in Pyramid Bags * Black Full Leaf Tea with Natural Fruit Flavor Black tea is currently the most popular in the US, enjoyed mainly as iced tea. The fame of black tea is mainly due to the invention of the tea bag in 1904 by NYC tea merchant Thomas Sullivan. Recent studies have shown that black tea provides equal health benefits as its green cousin. Adagio Teas continues to sell the finest loose black tea you"ll find, and now offers many varieties in a convenient gourmet tea bag as well.