Two New Species and Rivision of two Specific names of Euonymus Four New Species of Elatostema (Urticaceae) From China A Study on Glutamate Oxaloacetate Transaminase Isozymes of Citrus Germplasm Resources A New Species of Trigonotis (Boraginaceae) from Guangxi Occurrence of Pinus sibirica Du Tour in Da Hinggan Mountains A Revision of the Genus Siratitia Merr. and Two New Genera of Cucurbitaceae A Biosystematic Study on Adenophora gmelinii Complex (Campanulaceae) Materials for Chinese Cloniophora (Chlorophyta) Two New Species of Chinese Cheistolea A New Species of Hedychium Koenig (Zingiberaceae) from Yunnan New Taxa of the Genus Bergenia from Hengduan Mountains New Plants of Gesneriaceae from Guangxi of China (Cont. I) Phylogeny Classification and Geographic Distribution of Rodgersia Gray Karyotype Variation and Evolution of Sect. Thea in Guizhou Studies on the Karyotype and Its Aberration of Nomocharis forrestii (Liliaceae) On Some Problems of Methodology of Bamboo Classification with Special Reference to the Circum-scription of Dendrocalamus Two New Species of the Genus Batrachospermum (Rhodophyta) in China A New Diatom Species of Salt Lake from Shanxi Province A New Species of Polystichum (Aspidiaceae) from Xizang (Tibet) A Taxonomical Study of the Genus Polystichum Roth Section Haplopolystichum Tagawa from Yunnan A Chromosomal Study of Eight Species in Allium Sect. Rhiziridium G. Don in China Comparative Anatomy of Vegetative Organs in the Genus Vitis L. and Its Systematic Significance 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 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 A New Species of Potamogeton from Hubei A Study on the Original Plants of the Chinese Drug Guangdougen (Shandougen) On Chinese Sarcoglyphis, Ornithochilus, Chiloschista and Epigeneium New Taxa of Paspalinae and Paspalidiinae Karyotype Analysis of Three Species of Ceratoides (Chenopodiaceae) Macrocarpium (Spach.) Nakai Should Be Reaffirmed A Study on the Pollen Morphology in Trochodendron, Tetracentron and Euptelea Notulae de Plantis Tribus Cynarearum Familiae Compositarum Sinicae (II)(Cont.) Two New Species of Itea from China New Material of Carex Section Rhomboidales from China (I) A Taxonomic Study on the Fern Genus Polystichum Roth Sect. Metapolystichum Tagawa from China (I) (To be continued) A New Species of Arisaema Mart. (Araceae) in Yunnan A New Species of Hilliella (Cruciferae) from Anhui Paeonia qiui— A New Woody Species of Paeonia from Hubei, China Cladistics and Biogeography of Artemisia sect. Viscidipubes and sect. Albiraotea (Compositae) A New species of the Genus Tupistra (Convallariaceae), with Reference to Its Karyotype and Pollen Morphology Taxonomic Studies on the Nocturnal Flowering Group of Hemerocallis (Liliaceae) from China Morphological Studies on Anastomoses and Blind Veins in Dichotomous Venation of the Leaf in Kingdonia uniflora Floral Organogenesis in Saururus chinensis (Saururaceae) Notes on Cycas multipinnata C. J. Chen et S. Y. Yang Notes on the Genus Chesneya Lindl. ex Endl. (Fabaceae) New Taxa of Anoectochilus Blume (Orchidaceae) from China A Revision of Fritillaria L. (Liliaceae) in the Hengduan Mountains and Adjacent Regions, China(II) Geographical Distribution of Tilia Linn. On the Geographical Distribution of Arenaria L. New Taxa of Euglenophyta New Material of Volvocales from Wuhan, China A New Species of Pittosporum (Pittosporaceae) from Gansu, China A New Species of Gynostemma Bl.(Cucurbitaceae) from Guizhou, China A New Synonym of Kaempferia L. New Taxa of Carex Linn. from Fujian A note of Yinshania zayuensis and Camelina yunnanensis Critical Notes on the Genus Fritillaria L. (Liliaceae) of Xinjiang, China