if you're really hungry, you eat marsh periwinkles and get protein. you also get a lot of shell, but you expel that out the other end. and then, of course, the waterways themselves with all kinds of wild fowl, fish, shellfish, et cetera, et cetera. and the more fresh water marsh you got and the more estuaries you got, especially shallow ones, the better off you are. that's the major reason why the rich folks were in the coastal plain in indian times. they were able to get lots of stuff from the land, and also lots of stuff from the water. all eco zones got used. go back a minute to the business of the plants. these are some of the plants, and they're only some of the plants that are useful with a bit less wor