 Some of them kind of have bitter leaves, a little bit of bitterness. Others don't. But your rupestries is one that I would definitely look at doing. The biggest problem with that is it has small leaves, so it's actually fairly hard to get enough to process effectively. It's just got such a small leaf, you have to have a lot of leaves to go where you're going with it. But the other thing I talk about the rupestries is