Does Actaea asiatica Have the Most Symmetric and Primitive Karyotype in the Ranunculaceae? A New Species of Sterculia (Sterculiaceae) from Yunnan, China A New Species of Neomartinella Pilger (Cruciferae) from Guizhou, China A New Species of Smilax from Guizhou, China A New Species of the Genus Whytockia W. W. Smith (Gesneriaceae) from Guizhou, China Observation of ozone dry deposition in the field of winter wheat. Effects of nitrogen fertilization on population dynamics and yield of high-yielding wheat and on alteration of soil nitrogen. Evaporation and Transpiration in Farmland The Embryology of Nyssa sinensis Oliv. (Nyssaceae) Pollen Morphology of the Betulaceae Notulae de Ranunculaceis Sinensibus (XIV) Chromosome Numbers of Some Scattered Bamboos Chromosome Number and Development of Gametophytes in Euptelea pleiospermum (Eupteleaceae) A Taxonomic Revision on Genus Aristolochia Subgenus Pararistolochia Cytotaxonomical Studies of Tea Plants Cytological Studies of the Genus Nomocharis and Its Related Genera Materials for Chinese Psychotria Linn.(Rubiaceae) A New Species of Girardinia Gaudich.(Urticaceae) and Its Infraspecific New Combinations Triodanis Raf.—A New Recorded Genus of Campanulaceae in China A Revision with Notes on the Orchidaceae from Xinjiang, China The Existence of Isosteroidal Alkaloids in Fritillaria L.(Liliaceae) and Its Taxonomical Significance Report on Karyotypes of 10 Species of Liliaceae (s. l.) From Qinling Range Genus Novum Gesneriacearum Vietnam The Ecogeographical Distribution of Hippophae rhamnoides Subsp. sinensis and Its Phytogeographical Significance The Chromosome Numbers of 10 Species in the Genus Campylotropis (Fabaceae) Karyotypes of Eleven Species of Triticeae in Northeast China The Karyotype Analysis of Arthrotaxis (Taxodiaceae) and Its Systematic Position Comparative Studies on Photosynthetic Fluorescence Spectra and Fluorescence Kinetics of Bryophytes Systematic Study on Lomatogonium A. Br. (Gentianaceae) A Quantitative Method Measuring Karyotype Asymmetry and Its Application to Evolutionary Study On the Taxonomical State of Fritillaria sulcisquamosa and F. puqiensis Minidiscus, a New Recorded Nanodiatom Genus for China Morphology, fertility and cytogenetics of intergeneric hybrid between Roegneria kamoji Ohwi and Dasypyrum villosum (L.) Candargy (Poaceae: Triticeae) Biosystematic studies of Kengyilia melanthera and K. kokonorica (Poaceae: Triticeae) Notes on some subtribes of the Orchidaceae Nomenclatural notes on Exbucklandia (Hamamelidaceae) Two new species of the genus Armeniaca (Rosaceae) A new species of the genus Carex from Shanghai, China A new species of Microsorum (Polypodiaceae) from China Six new species of Impatiens L. from China A new variety of Cerasus from Shandong, China—Cerasus serrulata var. taishanensis A new section of the fern genus Polystichum Roth—Sect. Neopolystichum Ching Cabomba Aublet. (Cabombaceae), a newly naturalized genus of China Two new species of Strobilanthes Bl. (Acanthaceae) from Guangxi, China Pleione microphylla, a new orchid from southern Guangdong, China Barbarea hongii (Brassicaceae), a new species from Jilin, China Subpopulation differentiation of Anthoxanthum alpinum (Poaceae) along an altitudinal gradient detected by random amplified polymorphic DNA Studies on the breeding system of Limnocharis flava (Butomaceae) A new subspecies of Primula munroi Lindl. from the Eastern Himalaya—P. munroi ssp. schizocalyx A new species of Trachelomonas (Euglenophyta) from China A new species of Chirita Buch.-Ham. ex D. Don (Gesneriaceae) from Guangxi, China Milletia pendula Benth. (Papilionaceae), a new record to China Notes on the genus Clematis (Ranunculaceae) Contributions to a molecular phylogeny and systematics of Anemone and related genera (Ranunculaceae-Anemoninae) New taxa of Chroococcaceae from Yunnan, China A new species of Brachycorythis Lindl. (Orchidaceae) from Yunnan, China A new species of Trikeraia Bor. (Gramineae) from Tianshan Mts. in Xinjiang of China New Taxa of Rhododendron from Sichuan, China New Taxa of the Genus Ranunculus from China and Their Karyotypes New Taxa of the Begonia L.(Begoniaceae) from China (Cont.) Taxonomic Studies on Some Species of Diatoma A Subdivision of the Family Athyriaceae Alston Study on Origin of Populus tomentosa Carr. Taxonomy of the Cupressaceae: Subfamilies, Tribes and Genera A Study on Systematic Relationships Between Elymus and Hordeum (Poaceae) A New Species of Millettia from Yunnan, China New Material of Desmidiales from China The Origin of the Traditional Chinese Medicine, “Mudanpi”—A New Variety of Paeonia Abies fansipanensis —A New Species of the Genus Abies from Vietnam A New Species of Citrus (Rutaceae) from China A Study on the Synstematics of the Genus Lepisorus (Poiypodiaceae) Numerical Taxonomic Studies of Hemerocallis (Liliaceae) from China A Study on Origin and Evolution of Cordaitaceae in Late Paleozoic A New Species of Polygonum from Liaodong, China A New Species and a New Variety of the Zingiberaceae from China Micromorphological Characters of Seed Coats of Chinese Najadaceae and Their Systematic Significance A Study on Karyotypes and Geographical Distribution of Ostericum (Umbelliferae) in China Davalliaceae of China On Geographical Distribution of Achnatherum Beauv. (Gramineae) On Phylogeny of the Taxaceae from Morphology of Seedlings