A new combination in Leptolepidium (Pteridophyta: Sinopteridaceae) Pleiosorbus is united with Sorbus (Rosaceae) Lectotypification of Aconitum wolongense W. T. Wang A newly recorded species of Plantago Linn. from China The identity of a specific name of Epipactis Echinocystis Torr. et Gray (Cucurbitaceae), a naturalized genus in China Corrigiola L. (Caryophyllaceae), a naturalized genus in China Subularia L. (Cruciferae), a newly recorded aquatic genus of China Aster jishouensis (Asteraceae), a new species from Hunan, China A new species of Dendropanax (Araliaceae) from China Taxonomic notes on some species of Elatostema (Urticaceae) from China A new species of Berchemia (Rhamnaceae) from Xizang, China Karyotypes of eight species of the genus Aspidistra from China Notes on the genus Clematis (Ranunculaceae) (Ⅳ) Geographical distribution of Kengyilia Yen et J. L. Yang (Poaceae) A new species and a new combination of Alpinia Roxb. in China Validation of Deyeuxia himalaica L. Liou Cytology of eleven species in the genus Ranunculus L. and five in its four related genera from China The formation and evolution of polyploid genomes in plants A new species of Paphiopedilum (Orchidaceae) from Yunnan, China Notes on Paphiopedilum wardii and its related species New plants from limestone regions of Guangxi, China Changruicaoia Z. Y. Zhu—A new genus of Labiatae from Mount Emei, Sichuan, China Phytogeographical relationships of the bryophytes between China and North America Quantitative taxonomic analyses of Actinidia (Actinidiaceae) in China based on micromorphological characters of foliar trichomes A new species of Rosa L.(Rosaceae) from Guizhou, China New materials of Gesneriaceae from Guangxi, China A new species of Helianthemum Mill.(Cistaceae) Three new species of Elaeagnus (Elaeagnaceae) from Guangxi, China New taxa of Ligularia (Compositae) from China A new subspecies of the genus Lasianthus Jack (Rubiaceae) from Yunnan with reference to its biogeographical implication Taxonomic studies of the genus Colysis C. Presl (Polypodiaceae) from China and neighboring regions On the taxonomy of Phlegmariurus (Herter) Holub sect. Huperzioides H. S. Kung et L. B. Zhang (sect. nov.) with notes on the infrageneric classification of the genus Phlegmariurus in China The discovery of triploid Lycoris sprengeri Comes ex Baker from Anhui, China A study on cytotaxonomy of Sect. Anguinum of Allium Cycas debaoensis Y. C. Zhong et C. J. Chen—A New Cycad from China Karyomorphology and Relationships of the Genus Circaeaster Maxim. Two New Species of Elatostema (Urticaceae) from Yunnan, China Morphological Characters of Fruits in Damasonium (Alismataceae) and Its Taxonomic Significance Studies on Chromosomes of Eight Species of Allium from China Taxonomic Revision of the Sino-Himalayan Genus Cyananthus (Campanulaceae) Embryological Studies on Sagittaria guayanensis H. B. K. Subsp. lappula (D. Don) Bojin (Alismataceae) Sporogenesis and Gametogenesis of Endangered Adenophora lobophylla Hong (Campanulaceae) Floral Organogenesis of Caldesia parnassifolia (Bassi ex L.) Parl. (Alismataceae) Introduction to Terminology of Classification of Dicotyledonous Leaf Architecture New Taxa of Chrysophyta from China New Taxa and a Newly Recorded Variety of Ranunculaceae from Yunnan, China A Study on the Eocene Flora in Yilan County, Heilongjiang, China Studies on Sexual Reproduction and Vegetative Propagation of Eleutherococcus senticosus (Araliaceae) The Genus Hattoria of Jungermanniaceae New to China A New Species of the Genus Cycas from Hainan Island, China A New Species of Lobelia (Campanulaceae) from Xizang (Tibet), China New Taxa of Orychophragmus (Cruciferae) from China Experimental Identification of “Songlan” (Isatis indigotica) and Woad (I.tinctoria) Introduced into China Some New Species and Varieties of the Genus Tetracyclus Ralfs (Bacillariophyta) Taxonomical Revision of Some Species of Lunathyrium Koidzumi in N. E. Asia New Species of Yushania (Bambusoideae) from Fujian Some New Species of Caragana and Chesneya from China Materials for Chinese Viscoideae A Supplement to the Flora of Xizang (Tibet) (1) Duo Genera Nova Gesneriacearum e Sina Australi Taxa Nova Rubiacearum A Study on the Chinese Ormosia Jacks. (Cont.) A Preliminary Study on the Taxonomy of the Family Magnoliaceae A New Species of the Genus Phlegmariurus from Guangxi, China A New Species of Acidosasa from Hunan Province A New Species of Excoecaria (Euphorbiaceae) from Vietnam A New Species of Derris from China New Plants of Lauraceae from Guizhou My View on the“Quan Fang Bei Zu” Studies by Means of LM and EM on a New Species, Cyclotella asterocostata Lin, Xie et Cai Notes on the Apocynales from Xizang New Taxa and New Combinations of Indocalamus from China Sinoleontopodium, a New Genus of Compositae from China The Geographical Distribution and Floristic Composition of the Orchids in the Gongga Mountain Region, Sichuan Geostatistics and GIS analysis of spatial patterns of Myzus persicae and Hylyphantes graminicola in peach orchards under chemical pesticide stress Effect of cucumber stock on growth and propagation of Meloidogyneincognita and its relation with root exudates FTIR characteristic of rapeseed straw decomposition under anaerobic and aerobic conditions Pig farm-cropland configuration under typical waste treatment mode— A case study of direct anaerobic fermentation of manure Assessment of heavy metal content and pollution in organic and conventional farming soils in North China