Floral Ontogeny of Two Species in Magnolia L. A Revision of Lobelia Subgen. Tupa (Campanulaceae) in China Studies on the Karyotypes of Eight Species of Paphiopedilum subgenusbrachypetalum Studies on the Karyotypes of Eight Species of Paphiopedilum subgenusbrachypetalum Molecular phylogenesis of the Eospalax subgenus in the Gansu province Studies on the Chinese species of Selaginellaceae (Ⅰ): Selaginella subgenus Tetragono-stachys Jermy Studies on Genetic Relationship and Evolutionary Path of Subgenus Amygdalus in China A REVISION OF SUBGENUS HYMENANTHES (RHODODENDRON L.) IN YUNNAN-XIZANG A MICRO-MORPHOLOGICAL OBSERVATION OF SCALES ON THE LOWER LEAF-SURFACE OF RHODODENDRON SUBGENUS PSEUDORHODORASTRUM Anatomical Structure of Leaves of Different Evolutionary Type within Subgenus Soja A Taxonomic Revision on Genus Aristolochia Subgenus Pararistolochia MATERIALS FOR CHINESE RUBIACEAE (Ⅳ) Phylogenetic Relationship Between Magnolia wufengensis and Several Related Species in Subgenus Yulania Based on AFLP Marker Analysis Karyotypes of 12 Species of Paphiopedilum subgenus Paphiopedilum Analysis of Principal Components and Subordinate Function on Heat Tolerance of Two Seedlings of Rhododendron Subgenus Hymenanthes Studies on Geographical Distribution Pattern of the Subgenus Pogonophace (Fabaceae: Astragalus) in China Using GIS Technique Genetic Evolution for Vigna Subgenus Ceratotropis Based on Chloroplast DNA Sequences Identity of Quercus hui Chun and Q.austroglauca (Y.T.Chang)Y.T.Chang(Fagaceae) Physiological and Biochemical Effects of High Temperature Stress on the Seedlings of Two Rhododendron Species of Subgenus Hymenanthes A Taxonomic Study on the Genus Dryopteris Subgenus Erythrovariae (H. Ito) Fraser-Jenkins from Yunnan A TAXONOMICAL STUDY ON THE SUBGENUS NEPALENSIS OF CHINESE IRIS Leaf Anatomy of Fourteen Species in Carex Subgenus Indocarex (Cyperaceae) Factors Influencing Seed Germination and Seedling Survival of Rhododendron Subgenus Hymenanthes Classification and Evolution Analysis for Vigna Subgenus Ceratotropis Based on SSR Markers and ITS Sequences Studies on Genetic Relationship and Evolutionary Path of Subgenus Amygdalus in China A Conspectus and Phytogeography of the Genus Carex Subgen. Vignea (P. Beauv.) Kirsch. in China A New Subgenus of Platanthera (Orchidaceae)