AN ANATOMICAL AND PHYSIOLOGICAL STUDY ON THE LEAVES OF WINTER BUDS OF BRASENIA SCHREBERI GMEL. Study onthe relations between the toxic effects of chromium-vion Brasenia schreberi Gmel.winter bud leaves andthe variations of the protective enzyme system Study on the cold hardiness physiology of winter buds of Brasenia schreberi Gmel. STUDIES ON THE DEVELOPMENT AND ULTRASTRUCTURE OF THE GLANDULAR HAIRS IN BRASENIA SCHREBERI GMEL