X CONTENTS. 



Chapter XII. 



POLLINATION AND FERTILIZATION. 



Pollination Denned — Cross-pollination the Rule — Agen- 

 cies of Cross-fertilization — Structure of Anemophil- 

 ous compared with that of Entomophilous Flowers 

 — Means by which Self-fertilization is Prevented — 

 Diclinism — Dichogamy — Prepotency of Foreign 

 Pollen — Heteromorphism — Special Contrivances — 

 Process of Fertilization — Development of Embryo 

 — Practical Exercises 



Page. 



5-I05 



Chapter XIII. 



THE FRUIT AND SEED. 



/. — The Fruit. 



The Fruit Denned — Changes in Process of Develop, 

 ment — Agencies of Dispersion — Classification of 

 Fruits — Description of Principal Kinds — Recapitu- 

 lation of Fruits^- 



II.— The Seed. 



Definition of the Seed — Changes during Development 

 from the Ovule — Structure of the Seed — Parts of 

 the Seed — The Embryo — Kinds of Embryos — 

 Position and Folding of Embryo — The Number of 

 Seeds produced by Plants — Practical Exercises. . . 105-123 



PART II.— VEGETABLE HISTOLOGY. 

 Chapter I. 



THE CELL. 



Vegetable Histology Defined — The Cell in General — 

 The Typical Vegetable Cell— The Cell-Wall— The 

 Cell-Contents — Protoplasm — Chlorophyll-Bodies — 

 Chromoplasts — Amyloplasts — Aleurone Grains, 

 Globoids, Crystalloids, etc. — Carbohydrates — Veg- 

 etable Acids — Fats — Waxes — Volatile Oils — Resins, 

 Oleo-resins, Gum-resins and Balsams — Glucosides 

 — Compound Ammonias — Alkaloids — Amides not 

 Alkaloidal — Unorganized Ferments — Neutral Prin- 

 ciples — Mineral Substances — Practical Exercises. . 124-147 



