A New Species of Stigeoclonium (Chaetophoraceae, Ulotrichales) Notes on Aleuritopteris Fee in China New Taxa of Athyriaceae from Hengduan Mountains, China A Taxonomic Study on the Genus Lasianthus Jack in China Application of the Database of Chromosome Image Analysis in Taxonomical Studies of Brassiceae Studies on Karyotypes of the Genus Heracleum from China Phylogeny and Phytogeography of the Betulaceae (to be continued) Paphiopedilum densissimum, a new species of Orchidaceae from Yunnan, China 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 On Some Imperfectly Known Genera in Chinese Orchid Flora Floral morphogenesis of Wikstroemia delavayi (Thymelaeaceae) and its phylogenetic implication Chalazal region morphology on the endotesta of Magnoliaceous seeds and its systematic significance On extant primitive angiosperms and their phytogeography A revision of Clematis sect. Cheiropsis (Ranunculaceae) The identity of Alpinia nanchuanensis Z. Y. Zhu New synonymies of some species of Pittosporum (Pittosporaceae) Two new species of the genus Pohlia (Bryaceae, Musci) from China A new Species of Pittosporum (Pittosporaceae) from Shaanxi, China A new species of Impatiens from eastern Zhejiang, China Micromorphological features of the seed surface of Schisandraceae and their systematic significance To address the problem of infraspecific classification of Ziziphus jujuba Mill. using RAPD data Novelities of the Orchidaceae of Guizhou, China Hypericum austroyunnanicum L. H. Wu et D. P. Yang, a new species of Hypericaceae from Yunnan, China Taxonomic notes on some species of Deyeuxia Clarion ex Beauv. (Poaceae) from China Cytology of the tribe Trollieae and of the tribe Cimicifugeae in the Ranunculaceae: a comparative study An analysis of the flora of seed plants of Taiwan, China: its nature, characteristics, and relations with the flora of the mainland New Taxa from Hunan