Reviews Cytological changes of plant cells in dedifferentiation Lu Wenliang Cell suspension culture of the Gramineae Chang Sheng and Guo Zhongchen Recent advances in studies on P-cluster in molybdenum-iron protein Huang Jufu,Luo Ailing and You Chongbiao Advances in research on reproductive biology in higher plants——view of previous international symposia on sexual reproduction in higher plants Tang Peihua An outline of study on the controlled ecological life support system in space Liu Cunde A review status of the Flora Reipublicae Popularis Sinicae and synopsis of a new joint Sino-American project——Flora of China Chen Jiarui(Chen Chia-jui) Reports The Comparative studies on pollen morphology between Nitraria and Meliaceae Xi Yizhen and Zhang Jintan Pollen morphology of Phaseoleae in China and its significance to the art Liu Binglun An analysis of the characteristics of flora and vegetation of“the Wild Plant Experimental and Conservational Center of the Western China”and its neighbouring regions Qi Jingen,Chen Weilie,Wang Jinting and Yan Jianping Studies on the mechanism of the intracellular freezing a voidance in cold resistant plants——discovery of vacuolar endocytosis and cellular drain way Jian Lingcheng and Sun Longhua A primary study on two pollution-resisting cultivars of Nelumbo nucifera Tang Peihua,Sun Jinzhou,Shen ianxia and Huang Guozhen Mesophyll cells and their chlorophyll content of leaves in maize sown in hole(the ANTIAN)and effect of stoma Zuo Baoyu,Wang Weixian,Cai Huazhen and Gao Naiqin The ultrastructure of chloroplasts of leaves in maize sown in hole(the ANTIAN) Zuo Baoyu,Kuang Tingyun and Wang Weixian Transient expression of GUS gene in maize protoplasts Yan Bin,Lin Zhongping,Guo Zhongchen,Zou Jitao and Qian Yingqian Studies on the spectral characteristics and energy transfer of phycobilisomes from Synechococcus leopoliensis 625 Lu Rongzhao and Liu Bin Studies on enzymes involving in hydrogen metabolism of Anabaena azollae Wang Qihua,Shi Dingji and Tang eisong Studies on the regulation of hydrogen production by Anabaena azollae Wang Qihua,Shi Dingji and Tang Peisong The effects of Mg2﹢ and Ca2﹢ on the regulation and distribution of light energy in spinach chloroplasts and their Chl-protein complexes Chu Zhongxi Comparison of spectral characteristics between high-and low-yield rice varieties Zhang Qide, Tang Chongqin, Lin Shiqing,Guo Zonghua and Kuang Tingyun An experimental system for studying chloroplast membraneskeleton Zou Yuping,Zhao Yuan,Xu Li,Liang Zheng and Tang Peisong Effect of dimethyl sulfoxide on energy transfer of photosynthetic membranes Ma Guizhi and Zhang Zhengdong Genetical analysis of photosynthetic activity of Zea may Hao Naibin,Ge Qiaoying,Zhang Yuzhu,Jia Zhiwang and Tan Kehui Effect of ureide on photosynthetic property of the leaves of soybean Xu Ji,Ge Qiaoying,Zhang Yuzhu,Xie Xuemei,Hao Naibin and Du Weiguang A primary studies on the flower-specific protein during vernalization of winter wheat(Triticum aestivum L.)using analytical isoelectrofocusing Lu Bin,Huang Hualiang and Tan Kehui Relation between the difference of sensitivity of plant root on boron deficiency and the state of chromatin in cell nucleus Zhou Shigong The activity of acetylene reduction and of molcular nitrogen fixation by model compounds of the nitrogenase active centre Liang Yinchu,Cai Yukui and Chen Changneng Studies on the oxidative states of P-cluster in molybdenum-iron protein from Azotobacter vinelandii Huang Jufu,M.C.Mckenna and P.J. Stephens Studies on chemical components of Nyssa sinensis Oliv.native to China.Lu Fusun and Xiang Guiqiong Chemical composition of essential oil from dried leaves of Cunninghamia lanceolata(Lamb.)Hook Lan Lan,Ma Zhongwu,He Guanfu,Xu Zhiling and Pan Jiongguang Research Communication Studies on alkaloids of Tsoongiodendron odorum Chunand Manglietia hainanensis Dandy Wu Lili and Tong Shaohua Triglycerides of fats and chemical compositions from Sapium discolor(Champ)Muell-Arg. Shan Xueqin,Wang Jingping,Yu Fenglan and Li Jingmin The effects of a rare earth Ce on the growth and photosynthetic rate of sunflowers Chu Zhongxi and Tang Xike Techniques and Methods Technique of staining spore and pollen and its application for botanical and agronomic studies Chen Jiarui(Chen Chia-jui) A Brief Introduction of the Institute of Botany,Academia Sinica Review and prospect on the Institute of Botany for sixty years Lu Anmin Synopsis of achievement in scientific research at Institute of Botany Gao Lan Synopsis of trainning postgraduate students at Institute of Botany-Wang Renru The 40th Anniversary of the Department of Plant Ecology,Institute of Botany Wang Jinting The introduction of Open Laboratory on Systematic and Evolutionary Botany,Institute of Botany Cheng Shuzhi The introduction of Open Laboratory on Quantitative Ecology of Vegetation,Institute of Botany Chang Huaili The introduction of Inner Mongolia Grassland Ecosystem Research Station,Academia Sinica Gao Lan The introduction of Plant New Technology Development Corporation,Academia Sinica Yan Jianping