Abstract: This article consists of ten items contents as follows. 1.The outline of life circle of G. elata. 2. The seed of G.elata and differentiation in the tissue of its embryo when germinated. 3. The structure of the protocorm of C. elata and its developmental state. 4. The structure of the primarycorm of G.elata and its developmental state. 5. The structure of the secbndarycorm of G.etota and its developmental state. 6. The dependence, utilization and control exerted On Armillariella mellea by G. elata observed from the structure of its corm in different develo- pmental stages. 7. The life circle of A.mellea. 8. The species formation of G. elata observed from the relationship between it and A.mellea. 9. The simplified tendency in the gametophytes of G. elata. 10. The plasticity of the stages in development of G. elata.

Key words: life, circle, gastrodia