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 桦木科植物的系统发育和地理分布(续) 湖北绿球藻目新植物 膝瓣乌头的一个新变种 中国菊科川木香属一新种 New Taxa of Carex L. (Cyperceae) from China 毛枝藻属一新种 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) 中国高原芥属二新种 中国灯心草属植物的研究 安徽舟形藻属新资料 贵州大树茶的核型变异与进化 竹亚科分类的若干方法问题——兼论牡竹属的范畴 国产四种绢藓属植物的核型研究 孔药花属(鸭跖草科)的核型研究 Two New Species of Gypsophila L. (Caryophyllaceae) from China Studies on Karyotypes of Two Species in Kengyilia and Three Species in Roegneria A Cytological Study of Fifteen Species in Six Genera of Liliaceae from Yunnan On the Classification of Ixeris Group (Compositae) from China A Cluster Analysis of Seedling Characters of the Gramineae The Seedling Types of Gymnosperms and Their Evolutionary Relationships The Origin and Dispersal of the “Lower” Hamamelidae An Algorithm for Cladistics—Method of Minimal Parallel Evolution Notes of Spirogyra from Guizhou, China Some New Species of Pteridophytes from Hengduan Mountains 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 Comments on the Chinese Generic Names of Vaccinium L. and Lyonia Nutt Some New Taxa of Desmidiaceae from the Hengduan Mountains Region of China New Material of Polypodiaceae A New Species of Ehretia (Boraginaceae) from Hainan Province An Addendum to the Species Polyalthia litseifolia (Annonaceae) A New Species of Carex from Shandong A New Species of Asparagus L. from Gansu Two New Species of Allium L. from Sichuan New Taxa of Heracleum L. (Umbelliferae) from China Materials for Chinese Ainsliaea (Compositae) Karyotype Analysis of 5 Species of Polygonatum Mill. Studies on Taxonomy and Evolution of Citrus and Its Related Genera by Isozyme Analysis Pollen Morphology of Microula Benth. and Allied Genera (Boraginaceae) 银杏雌性生殖器官的形态学本质及其系统学意义(续) On the Systematic Position of Paradombeya Stapf A Classification Synopsis of the Genus Dryopteris from Yunnan A New Morphological Interpretation of the Female Reproductive Organs in Ginkgo biloba L., with a Phylogenetic Consideration on Gymnosperms One New Species of Mecodium (Hymenophyllaceae) from Guangxi 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 New Series of Parnassia L. (Saxifragaceae) A Revision of the Genus Leptomischus Drake New Taxa of Labiatae from China Surface Ultrastructure of Seeds of Chinese Cuscuta A Numerical Taxonomic Study of Citrus and Its Close Relatives Chromosome Studies of Chinese Species of Malus Mill. Micromorphology of Leaf Epidermis of Chimonobambusa (Bambusoideae) Notulae de Ranunculaceis Sinensibus (XV) Nanodiatoms from Xiamen Harbour (I) A New Taxa of the Genus Epimedium A New Species of Photinia (Rosaceae) from the Wuling Mountains A New Species of the Armeniaca and Revision of the Related Taxa Two New Species of Codonopsis From China Two New Species of Aspidistra (Liliaceae) from Guangxi, China 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 Study on Pollen Morphology of the Genus Viburnum from China