CHAPTER VI. THE LEAF

I. THE TYPICAL LEAF AND ITS PARTS 147

II. THE VEINING AND LOBING OF LEAVES 154

III. TRANSPIRATION 160

IV. ANATOMY OF THE LEAF 164

V. FOOD MAKING 168

VI. THE LEAF AN ORGAN OF RESPIRATION 174

VII. THE ADJUSTMENT OF LEAVES TO EXTERNAL RELATIONS 177

VIII. MODIFIED LEAVES 189

FIELD WORK 194