New Taxa of Diatom (Bacillariophyta) from Xizang (Tibet) (II) Two New Species of Impatiens from Guizhou A New Species of Taraxacum from Xinjiang On Sagittaria tengtsungensis (Alismataceae), a Species Endemic to China A Revision of Fritillaria L. (Liliaceae) in the Hengduan Mountains and Adjacent Regions, China ( 1 )—A Study of Fritillaria cirrhosa D. Don and Its Related Species Karyotype Analysis of Neodolichomitra robusta (Broth.) Nog. Studies on Karyotypes and Phylogenetic Relationship of Allium Sect. Caloscordum (Liliaceae) from China A Discussion on the Systematic Position of the Genus Pseudotaxus (Taxaceae) from Phytochemistry The Seed Morphology in Hamamelidaceae and Its Systematic Evaluation PCR-RFLP Analysis of rbcL Gene in the Tribe Convallarieae A Phylogenetic Analysis of Gentiana (Gentianaceae) Origin, Differentiation, and Geographic Distribution of the Chenopodiaceae Areography of the Endemic Genera of Seed Plants in China On Historical Elements and Tertiary Precursors of Eastern Asiatic Angiospermous Flora—Based on Phytogeogrophy of Staphyleaceae, Morinaceae and Caprifoliaceae Chorology of Liliaceae (S. Str.) and Its Bearing on the Chinese Flora Desmids from Southern Bays of the Donghu Lake, Wuhan, China A New Species of Cardamine (Cruciferae) from Sichuan, China The New Species of the Tribe Senecioneae (Compositae) from China (II) Three New Species and Two New Combinations of Orchidaceae from China Reappraisal of Corylopsis trabeculosa (Hamamelidaceae), a Species Endemic to China Notes on Some Species of Sedum (Crassulaceae) in China A New Species of Eunotia (Bacillariophyta) from Anhui, China Taxonomic Notes on Chinese Flickingeria (Orchidaceae) Biosystematic Studies on Adenophora potaninii Korsh. Complex (Campanulaceae) III. Genetic Variation and Taxonomic Value of Morphological Characters A Taxonomic Note on Fritillaria (Liliaceae) in the Middle and Lower Reaches of the Yangtze River, China A New Species of the Genus Aconitum L. from Yunnan, with an Observation on Its B Chromosomes New Taxa of Diatom (Bacillariophyta) from Xizang (Tibet)(I) The Taxonomy of the Genus Corchoropsis Sieb. et Zucc. A Karyological Study on Four Species of Entodon (Musci) from China Observations on Chromosomes of Fourteen Moss Species from the Qinling Range, China Karyotypes of Disanthus and Mytilaria (Hamamelidaceae) A Karyotype Study of Porandra Hong (Commelinaceae) A Revision of the Species Walsura xizangensis C. Y. Wu et H. Li (Meliaceae) A Revision of Ajania potaninii ( Krasch.) Poljak. Group (Compositae) A New Species of Spiradiclis ( Rubiaceae) from Guangxi A New Species of Paraboea Ridley from Thailand A New Species of Allium L. from Sichuan and Its Karyotype New Observations on Drepanophycus spinaeformis from the Lower Devonian of Guizhou, China A New Genus and Species—Cycadostrobilus paleozoicus Zhu of Cycadaceae from the Permian of China The Discovery of Diploid Lycoris radiata (L′Her.) Herb. from Anhui On Cycas taiwaniana Carruthers (Cycadaceae) and the Cycads of South-eastern China The Origin, Dispersal and Formation of the Distribution Pattern of Swertia L. (Gentianaceae) The Origin, Evolution and Distribution of Ligularia Cass. (Compositae) Morphological Identification of Elymus sibiricus, E. nutans, and E. burchan-buddae, and Their Genomic Relationships Biosystematic Studies on Adenophora potaninii Korsh. Complex (Campanulaceae). Ⅰ. Phenotypic Plasticity An Examination on Indumentum and Fruit of Dimocarpus longan and D. confines New Taxa of Potentilla from North China A Study on Pollen Morphology of the Genus Viburnum from China The Morphological Variation and the Karyotypical Characters of Dendranthema indicum and D. lavandulifolium A Study of the Genus Atraphaxis in China and the System of Atraphaxideae (Polygonaceae) Comparison of the Cladograms Produced by Li‘s Method and Farris‘ Method New Materiales for Chinese Ectocarpaceae (Phaeophyta) Two New Species of Acrochaetiaceae from Liaoning, China A New Morphological Interpretation of the Female Reproductive Organs in Ginkgo biloba L., with a Phylogenetic Consideration on Gymnosperms One New Species of Pedicularis L. from Xizang The Identification and Revision on the Type of Cochleariopsis Y. E. Zhang (Cruciferae) The Origin of Chinese Traditional Drug “Shuigaoben” from Hubei New Taxa of Salix L. from West China A Revision of the Genus Leptomischus Drake New Taxa of Labiatae from China A Numerical Taxonomic Study of Citrus and Its Close Relatives New Plants of Gesneriaceae from Guangxi of China Some New Taxa of the Genus Ribes (Saxifragaceae) of China Taxonomic Study on Genera of Tribe Lactuceae (Compositae) from China Studies on Pollen Morphology and Exine Ultrastructure in Cephalotaxaceae A Cytological Observation on Six Mosses of Northeast China Cytotaxonomy of Ferula L. in China Studies on the Karyotype and Systematic Position of Larix Mill. (Pinaceae) A Cytological Study of Six Populations of Disporum cantoniense (Liliaceae) A Biosystematic Study on Hybrids Between Psathyrostachys huashanica and Two Species of Roegneria A Classification Synopsis of the Genus Dryopteris from Yunnan Taxa Nova Delphiniorum Xinjiangensium A Study on Pollen Morphology of Tribe Rhamneae (Rhamnaceae)in China Karyotypes of the Genus Fritillaria from South Anhui Shaniodendron, a New Genus of Hamamelidaceae from China On the Genus Euchresta Benn. (Leguminosae) with “Wallace‘s Line” The Tertiary Vegetation and Flora and Floristic Regions in China On Some Distribution Patterns and Some Migration Routes Found in the Eastern Asiatic Region Notes of Spirogyra from Guizhou, China Some New Species of Pteridophytes from Hengduan Mountains