Study of Vessel Elements in Pteris vittata Study on the Vessel Elements and Its Perforation Plate of Secondary Xylem in Ziziphus mauritiana Effects of Grafted Prunus persica‘21th Century’on the Characters of Vessel Elements in Root System of P. persica Stock Effects of Grafted Prunus persica‘21th Century’on the Characters of Vessel Elements in Root System of P. persica Stock Cerasus humilis Secondary Xylem Vessel Elements Structure and Fruit Calcium Content Morphological Structure of Vessel Elements in 14 Species of Maloideae (Rosaceae) from Heilongjiang,China Morphological Anatomical Studies on Aceraceae Vessel Element from Heilongjiang Province,China Comparative studies of vessels of leptos branch and stout branch in Magnolia biloba Observation of Vessel Elements in Secondary Xylem of Phyllanthus emblica Studies on the Vessel Elements of Secondary Xylem in Manilkara zapota Comparative Anatomy of Vessel Elements in Staminate and PistillatePlants of Fraxinus pennsylvanica Comparative Investigation of Vessel Elements in the Secondary Xylem of Liriodendron Anatomy of the Vessel Elements and Perforation Plates in the Secondary Xylem of Casuarina cunninghamiana EVOLUTIONAL STRUCTURE STUDY OF VESSEL ELEMENT ON DIFFERENT EVOLVEMENT TYPE OF GLYCINE Comparative Anatomical Studies on Vessel Elements of Chinese Ranunculaceae An Investigation of Vessel Perforation Plates in the Secondary Xylem of Stem of Souliea vaginata ( Ranunculaceae) STUDIES ON THE WARTY LAYER IN VESSEL ELEMENTS AND FIBRES OF MAIN CHINESE HARDWOOD BY ELECTRON MICROSCOPY Comparison of the Characters and Distribution of Vessel Elements in Xylem Among Three Main Pear Rootstocks in China Comparative Studies on Anatomical Structure of Roots in Three Citrus Seedling Rootstocks and Their Two Somatic Hybrids Study on the vessel elements and tylosis of secondary xylem in Averrhoa carambola Comparative Investigation of Vessel Perforation Plates of Four Genera in Lardizabalaceae Comparisons of Stem Anatomical Structures among Litchi, Longan and Longli Anatomical characteristics of leaf epidermis and vessel elements of Schisandra sphenanthera from different districts and their relationships to environmental factors Comparative Studies on Anatomical Structure of Roots in Three Citrus Seedling Rootstocks and Their Two Somatic Hybrids Programmed Cell Death During the Vessel Element Differentiation of the Secondary Xylem in Eucommia ulmoides Shoots Study on Vessel Structure of Four Plants Species with Resin Casting Method Comparative Study on Morphological Characteristics and Ecological Adaptability of Vessel Elements of Ten Ribes L. Varieties A STUDY OF VESSEL ELEMENTS OF RATTAN CANES Spiral Thickenings of Vessel Elements in Magnoliaceae in China Comparative Anatomical Studies on the Vessel Elements of Eight Genera in Magnoliaceae Comparative Anatomical Studies on the Vessel Elements of Chinese Magnolia and Michelia Comparative Study on Morphological Characteristics and Ecological Adaptability of Vessel Elements of Salix gordejevii and S.microstachya var.bordensis