THE DYNAMIC VARIATION OF 20-HYDROXYECDYSONE IN CYANOTIS ARACHNOIDEA A superfluous Name of Vitis romanetii var. arachnoidea (Vitaceae) INDUCTION AND CULTURE OF HAIRY ROOTS OF CYANOTIS ARACHNOIDEA ROOT CULTURE AND β-ECDYSONE FORMATION OF CYANOTIS ARACHNOIDEA THE DETERMINATION 0F β-ECDYSONE FROM CULTIVATED CYANOTIS ARACHN0IDEA New Plants of Plantago from China Photosynthetic Characteristics of Cyanotis arachnoidea and Their Ecological Significance Two new varieties of the genus Vitis (Vitaceae) from China