Studies on the Application of Distance Analysis to the Choice of Parents in Wheat Breeding Discussion on implications and research ideas of toxic theory in natural characteristics of Chinese herbal medicine Molecular phylogeney of the entomopathogenic fungi of the genus Cordyceps (Ascomycota: Clavicipitaceae) and its evolutionary implications Pollen morphology of Rhododendron subgen. Tsutsusi and its systematic implications Floral organogenesis of three species of Jatropha (Euphorbiaceae) Pollen Morphology of Glycosmis (Rutaceae) and Its Systematic Implications Achene Morphological Features of Saussurea subg. Eriocoryne (Asteraceae) and Its Taxonomical Significance* Seed Morphology in Some Chinese Species of Aconitum (Ranunculaceae) and Its Systematic Implications Fruit Features of Some Bupleurum Species (Apiaceae) and Their Systematical Implication Floral Morphology and Anatomy of Glycosmis (Rutaceae) in China and Their Systematic Implications Seed Micromorphological Characteristics of Eurya and Their Systematic Implications The Microcharacteristics of Leaf Surface and Its Systematic Implication in Lysimachia Sporogenesis,Gametogenesis in Zephyranthes candida and Their Systematic Significances A New Type of Embryo Sac in Cardiopteris and Its Systematic Implication Floral organogenesis of Handeliodendron bodinieri (Sapindaceae) and its systematic implications Microsporogenesis of Cycas and its systematic implications Pollen Morphology of Parnassia L. (Parnassiaceae) and Its Systematic Implications Intergeneric hybrid of Dendranthema×grandiflorum “Aoyunhuoju” and Ajania pacifica and its taxonomic implications Epidermal Characters of Rattan Stems and Their Taxonomic Implications Microsporogenesis and Formation of Male Gametophyte in Swertia hickinii Burk.and Their Systematical Implications A NEW SPECIES OF YPSILANDRA(LILIACEAE)AND ITS GEOGRAPHIC IMPLICATION OF SE YUNNAN PROVINCE MORPHOLOGICAL CHARCTERS OF THE GENUS DIPLOPANAX HAND.-MAZZ. AND IT‘S SYSTEMATIC IMPLICATION Definitions and Carbon Stocks Accounting Approaches of Harvested Wood Products in Climate Change Negotiation Forest-Based Bio-Diesel Development: Target, Current Status and Challenges