CONTENTS 



Part I. — General Morphology 



CHAPTER PAGE 



I. INTRODUCTION . . . I 



II. ROOT AND SHOOT .... 3 



ROOT ... ■ • 5 



Adventitious Roots, 6 — Shapes of Roots, 8 — Aerial 

 Roots, 8. 



III. VEGETATIVE SHOOT . . 9 



Adventitious Shoots,; 1 1 . 



ARRANGEMENT OF LEAVES . . .II 



Whorled Leaves, 11 — Alternate Leaves, 12 — ^Diagrams, 

 13- 



FOLIAGE-LEAVES . . . . -14 



Sheath, 15 — Stalk, 15 — Blade, 16 — Form of Blade, 16 

 — Venation of Blade, 16 — Division of Blade, 17. 



SIMPLIFIED LEAVES . . . .18 



Scales, 18 — Cotyledons, 19 — Prophylls, 21 — Bracts, 21. 



BUDS ..... 22 



Estivation, 22 — Vernation, 23. 



IV. STEM . . . ... .24 



Definite and Indefinite Growth, 24 — Axes of different 

 Orders, 24 — Sympodia, 25 — Arrangement of Branches, 

 26^-Herbaceous and Woody Stems, 27 — Increase in 

 Thickness, 27. 



SUBTERRANEAN SHOOTS . . . .28 



Rhizome, 29 — Tuber, 30 — Corm, Life-history of 

 Crocus, 30 — Bulb, 32. 



SUB-i«RIAL STEMS . . . . -33 



Direction of Growth, 33 — Climbing Plants, 34 — Root- 

 Climbers, 34 — Twining Plants, 34 — Tendril-Climbers, 

 35, Scramblers, 36. 



