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    15 March 1994, Volume 14 Issue 1
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    REVISION OF ADONIS (RANUNCULACEAE)(Ⅰ)
    Wang Wen-tsai
    1994, 14(1):  1-31. 
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    A NEW VARIETY OF CISTANCHE SALSA FROM NINGXIA,CHINA
    Tu Peng-fei, He Yan-ping, Lou Zhi-cen
    1994, 14(1):  32-34. 
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    VARIETAS UNA NOVA SCHISANDRAE CHINENSIS (TURCZ.)BAILL. EXPROVINCIA HELILONGJIANG
    Zhuo Li-huan, Huang Pu-hwa, Jin Wan-chang, Yang Chuan-ping
    1994, 14(1):  35-36. 
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    NOTES ON SOME DOUBTFUL SPECIES OF THE GENUS VALERIANA LINN
    Chen Hu-biao
    1994, 14(1):  37-39. 
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    In the present paper, three doubtful species of the genus Valeriana Linn. V. flagellifera Bat.; V.hiemalis Graebn.; and V. trichostoma Hand.-Mazz. are investigated and ascertained with a detailed description and discussion.
    STUDY ON TRAPA L.(TRAPACEAE)FROM NORTHEAST CHINA
    Yu Dan
    1994, 14(1):  40-47. 
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    This paper discussed the taxonomic problems of Trapa from Northeast China, such as the hierarchy of taxa. character judgement. basis for the determination of species and the phenomenon of Synonym. The Northeast of China is the mainly distribution centre of Trapa. The study on Trapa from this area can provided important evidences for the taxonomy of Trapa.
    STUDY ON THE ENDEMIC PLANTS FROM SHANDONG PROVINCE
    Nang De-kui, fan Jin-hui, Zhao Lan-yong, Fan Bao-min
    1994, 14(1):  48-58. 
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    Shandong province is situated in the eastern part of China. About 76 Species (including varieties and forms) of vascular plants are endemic to this province, among them 12 species belonging to genera and 5 families are pteridophyte, and 64 species belonging to 45 genera and 27 families are angiosperm. Most of the endemic species are neoendemics,while very few ones are palaeoendemics.Based on a careful analysis, some fundamental characteristics of the endemic flora of Shandong can be summerized as follows:1. The floristic elements are relatively not rich, however, it is still showing that the flora of Shandong has a special respect of itself.2. The geographical distribution is fairly uneven. All the endemic plants are dispersed in the middle-south mountains and the eastern peninsula, while no endemic plant in western and northern parts of the province, such as Heze, Jining, Liaocheng, Dezhou, Huimen and Dongyin. Four centers of endemism are clear to be Mt. Kunyu, Mt. Tat, Mt. Lao and Mt. Mead.3. The geographical elements are complex.
    A STUDY ON TAXONOMY OF PICEA MONGOLICA IN INNER MONGOLIA
    Xu Wen-duo, Li Wei-dian, Zheng Yuan
    1994, 14(1):  59-68. 
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    It is a controversial question in plant taxonomy that which species Spruce in sandy land belongs to, by a comprehensive comparative study of comparison of shape disection investigation of cultivated experiment. isozyme and type of idiogram analysis and ecological and geographic distribution. it shows:Spruce in sandy land is different from Picea koraiensis Nakai and Picea meyeri Rehd. et wils., it should be regarded as an independent specices. The variety of Picea meyeri published before is combined and regarded as an independent species, Picea mongolica (H. Q. Wu) W. D. Xu (Picea meyeri var. mongolica H. Q. Wu).
    STUDIES ON THE SPORE MORPHOLOGY OF LYCOPOD FROM NORTHEASTERN CHINA
    Wang Quan-xi, bao wen-mei, Aur Chih-wen
    1994, 14(1):  69-72. 
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    In the present paper, 8 species (including variety) belonging to 3 genus, 2 families of Lycopod spores are examined under SEM. The morphological characteristic of each species are described. And the differences among the spores of these genus and species are discussed. It seems to contribute to the materials for systematics and palynology of Lycopod.
    THE STUDY ON SEED APPENDAGES
    Wang Gui-yun, Wang Zhen-yue, Liu Ming-yuan
    1994, 14(1):  73-74. 
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    We studied the structure of seed appendages of Euonymus bungeanus Maxim.,Asarum heterotropoides F. Schmidt var. mandshuricum (Maxim.) Kitag., Corydalis ambigua (pall) Chan. et Schl. Var amurensis Maxim,, Euphorbia fischeriana steud., and by the new method clarified the concepts of Aril. Arillodde, Strophiole, Caruncle which are confused in the last literatures.
    A NEW FORMA OF DELPHINIUM
    Feng Tian-jie, Huang Jin-xiang, Zhang Shu-lian
    1994, 14(1):  75-75. 
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    NAATOMICAL STUDIES ON THE PRIMARY VASCULAR SYSTEM OF THE SEEDLING OF DELPHINIUM GRANDIFLORUM
    Wang Li-jum, Gu An-gen, Zhang You-min, Jia Wei-ping
    1994, 14(1):  76-79. 
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    It is shown anatomical that there is a cotyledon node zone(CNZ) in the seedling of Delphinium grandiflorum. And there are two transitional regions in the CNZ of D.grandiflorum, namely, cotyledon node stem, transitional region upwards and cotyledon node root transitional region downwards. The primitive exarch and diarch haplostele with cross-like metaxylem exists in the lower part of CNZ. This provides a new information for revealing further the origination and evolution of species of Ranunculaceae.
    A NEW FORMA OF COMMELINA
    Chen Ti
    1994, 14(1):  80-80. 
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    POLLEN MORPHOLOGY OF THE GENUS VIOLA IN CHINA
    Sun Kun, Wang Yi, Wang Xiao-dong, Peng Bo-yi, Wang Ching-rui
    1994, 14(1):  81-87. 
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    Pollen grains of 32 species of the genus Viola in China were examined under LM and SEM. Their morphological characters are described here. Pollen morphological characters under LM are similar except V. tricolor L. under SEM, the exine of pollen have some difference among the four subgenus of Viola. The evidence from pollen morphological characters supports Juzepchuk's (1949) and Wang Qing-rui's (1991) treatments which divided the Viola into four subgenus.
    “CONTINUOUS EXTENSION” OF THE CATHAYSIAN PALEOCONTINENT AND CATHAYSIAN FLORA ON THE EARTH A THIRD DISSERTATION ON CATHAYSIAN PALEOCONTINENT AND CATHAYSIAN FLORA
    Xie Yong-quan
    1994, 14(1):  88-93. 
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    The development of the theory of the Cathaysian flora has experienced four phases since 1962.Its geographical range has extended to three regions and 32 provinces which distribute in the areas of Eastern and Southern Asia, Indochina and groups of islands on the Pacific.This dissertation focuses on the argument about the causes of the geological formation, paleogeography and organisms on groups of islands on the Pacific, which do not have any relation with the theory of Cathaysian Paleocontinent (or "the Platform of South China"). There are many conspicuous variations between the formation and development of the flora and species distributions in the above-mentioned areas.
    AN ANALYSIS OF THE MINERAL ELEMENT OF ELAEAGNUS MOLLIS DIELS
    Xie Shu-lian, Ling Yuan-jie, Huang Shu-ping, Xie Su-Jing, Li Shao-qing, Zhang Ju-lian
    1994, 14(1):  94-97. 
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    15 kinds of mineral element of Elaeagnus mollis Diels. has been determinated with ICP-AES and AAS method and they are Ca, Mg, P, K, Na, Fe, Cu, Zn, Mn, Cf, Ni, Mo,Al, Sr and Ba. The result shows that there is evident difference of the mineral element in the different organs and different places and growing stages in same organ. The mineral element is plentiful in this kind of plant, special in the root coat, the young leaf and the seed core.
    STUDY ON SELECYION OF SALINE TOLERANT VARIANTS FROM POPLAR ANTHER CALLUSLINES
    Zhan Yan-guan, Liu Yu-xi, Lu Zhi-hua, Qi Li-zhi
    1994, 14(1):  98-103. 
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    Selection of variants tolerant to NaCl and alkaline salt was made from poplar anther callus in vitro culture. The results showed that different poplar species appeared different tolerance to the two screening agents. The calli in differentiation state showed stronger tolerance than that in dedifferentiation state.The differentiated calli of Populus simonii x P.nigra could tolerate 3% NaCl 0.75% alkaline salt. The regenerated plants of variants had transplanted to the soil. In comparing the maps of plantlets a clear difference was found be-tween salt-tolerant variants and controls.