A Study on Systematic Relationships Between Elymus and Hordeum (Poaceae) Embryological Studies in Polygonatum humile Fisch. ex Maxim On the Genus Euchresta Benn. (Leguminosae) with “Wallace‘s Line” Biosystematic Relationships among Sect.Elymus,Sect.Turczaninovia and Sect.Macrolepis in Elymus(Poaceae) Based on the Micromorphological Characteristics of Leaf Epidermis Biosystematic Relationships and Anatomical Characteristics of Leaf Epidermis of Three Sections’ Plants in Leymus(Poaceae) from China The Differentiation, Evolution and Systematic Relationship of Juglandales Kingdonia, Embryology and Its Systematic Significance CHINGYUNGIA, A NEW GENUS OF VERBENACEAE FROM CHINA STUDIES ON THE BIOSYSTEMATIC RELATIONSHIPS AND GEOGRAPHIC DISTRIBUTION OF TRIKERAIA BOR AND STEPHANACHNE KENG Biosystematic Relationships and Leaf Anatomical Characteristics of Plants of Three Genera in Hordeinae(Poaceae) The Biosystematic Relationships among Psathyrostachys,Critesion and Hordelymus Based on the Micromorphological Characteristics of Leaf Epidermis Embryology of Tripterospermum cordatum(Gentianceae) Biosystematic Relationships among Three Sects’ Plants in Elymus(Poaceae) Based on the External Morphological Characteristics Study on Systematic Relationships of Ziziphus jujuba and Ziziphus spinosa Using RAPD Technique Studies on Sexual Organs and Embryological Development Morphology of Speirantha gardenii (Convallariaceae) Biosystematic Relationships and Generalized Morphological Characteristics of Two Representative Species from Littledalea(Poaceae) Biosystematic Relationships among Taxa below Leymus(Poaceae) from China Based on the External Morphology and Micromorphological Characteristics of Leaf Epidermis Biosystematic Relationships and Leaf Anatomical Characteristics of Three Sects’ Plants in Elymus (Poaceae) The Geographical Distribution of the Subfamily Cyrtandroideae Endl. Emend. Burtt (Gesneriaceae)