Halopytes: Tamarix chinensis、Limonimum bicolor、Aluropus littoralis、 Spartina anglica Salicornia europaea、Suaeda salsa. Artemisia scoparia and Art- -emisia maritima and glycophyte:Zea mays were used in the experiment. Resul- -ts showed that amountsof salts in experimental plants were different, and the- -se difference resulted from the permeability of cytoplasm membrane. The water potentials of halophytes were higher than glycophyte, and they were much the same each other. This is a adaptative character to t...