STUDIES ON THE POPULATION DIFFERENTIATION OF ARALIA ELATA (Miq.) SEEM.(Ⅰ) ANALYSIS OF THE KEY TAXONOMIC CHARACTERS STUDIES ON THE POPULATION DIFFERENTIATION OF ARALIA ELATA (Miq.) SEEM. (Ⅱ) CLUSTER ANALYSIS ON THE CHEMICAL CONSTITUENTS Isozymatic Differentiation in Local Population of Glycine soja Sieb. & Zucc.