THE ANATOMICAL CHARACTERISTICS OF POPULUS DELTOIDES(LUX) UNDER STRESS OF VARIOUS SOIL SALINITIES An Investigation of Vessel Perforation Plates in the Secondary Xylem of Stem of Souliea vaginata ( Ranunculaceae) Effects of Doubled CO2 Concentration on Structure of Vascular Tissues of Quercus liaotungensis Studies on the cell separation of the secondary xylem of pendulous characteristics of Prunus mume Ecological Wood Anatomy of Avicennia marina ANATOMY AND ADAPTABILITY TO DESERT ON ROOT AND STEM SECONDARY XYLEMS OF 2 PLANTS OF EPHEDRA Programmed Cell Death During Secondary Xylem Differentiation in Eucommia ulmoides Study on the Convergent Passages of Water Conducting Elements in Secondary Xylem of Fagaceae ANATOMICAL CHARACTERISTICS AND PHYLOGENETIC RELATIONSHIPS OF SECONDARY XYLEM OF MAGNOLIACEAE IN CHINA On the Discovery of Vessels in Phyllitis Dynamic Changes in Distribution of Lignin and Hemicelluloses in Cell Walls During Differentiation of Secondary Xylem in Eucommia ulmoides (in English) Anatomical Studies on Secondary Xylem and Secondary Phloem of Dipentodon sinicus Structural Study of Secondary Xylem in Bretschneidera sinensis Hemsl. The Secondary Xylem Anatomy of 6 Desert Plants of Caragana Structures of Secondary Xylem in Pinus pumila (Pall.) Regel and Its Adaption to Enviroments Studies on Anatomy and Desert Adaptability of Stem Secondary Xylem in 6 Species of Calligonum The Ca2+-dependent DNases are Involved in Secondary Xylem Development in Eucommia ulmoides The Ecological Secondary Xylem Anatomy of 7 Desert Species of Leguminosae Ecological Wood Anatomy of Avicennia marina THE ECOLOGICAL SECONDARY XYLEM ANATOMY OF THE MANGROVE AEGICERAS CORNICULATUM AND SONNERATIA CASEOLARIS Ecological Anatomical Characteristics of Secondary Xylem in Kandelia obovata Sheue et al. The Type and Evolution of Vassel Element‘s Perforation Plate of Oplopanax elatus Structural study on secondary xylem of Glycine stem