Effects of Storage Temperature and Ultradrying Treatment on Anatomy Structrue of Pugionium Gaertn.Seed Adaptation of Seed Germination of Pugionium cornutum and P.dolabratum to Sand Moisture Content Study on the Stomata Characters of Leaves of the Puionium Gaertn. Micromorphology of Cotyledon Epidermis of Pugionium Gaertn.