Characteristics of Fagus hayatae Community and Species Diversity in Micangshan Nature Reserve,Sichuan THE VEGETATION ON CANGSHAN YUNNAN AND THE DISTRIBUTION OF GENUS RHODODENDRON Roscoea cangshanensis M. H. Luo, X. F. Gao & H. H. Lin, a new species of the Zingiberaceae from Yunnan, China Flor istic Ana lysis of Seed Plan ts in Kuocangsan Na tureReserve of Zhejiang Prov ince A NEW VARIETY OF IMPATIENS LINN. FROM ZHEJIANG PROVINCE STUDY ON THE KARYOTYPICAL POLYMORPHISM OF NOMOCHARIS MAIREI A Floristic Study on the Seed Plants of the Cangshan Mountain Range, Dali, Yunnan, China