What mood are you in? Whatever it is, or, more importantly, whatever you want it to be, chances are there’s a tea to match your desired disposition. While there are just four types of tea — white, black, green, and oolong — there are myriad variations, not to mention the whole world of herbal teas (also known as tisanes). From chamomile to chocolate tea (yes, it’s a thing Yerba mate Chinese black tea Pu’erh During that 3 p.m.