CONTENTS. 



CHAPTER V. The Ligneous System, continued 137 



CHAPTER VI. Vegetation, or the Physiology of Plant Life 140 



( :n APTER VII. Fertilization 142 



CHAPTER VIII. Pollenization ; Cross-fertilization '."'.'.'. 145 



CHAPTER IX. Absorption 146 



* By the root. 



a The root absorbs inorganic matter, from the soil, viz. 1, Water. 



2, Carbon. 



3, Mineral Salts. 

 b The rt. absorbs organic matter, from mould & refuse. 1, Nitrates. 



2, Ammonia. 



* By the green parts, from the Atmosphere, viz 1, Water. 



2, Oxygen. 

 3, Carbonic Acid. 

 1, Ammonia. 

 CHAPTER X. Circulation ; 147 



* Of the Crude Sap, toward through the wood, To the Leave?. 



* Of the True Sap, returning, downward, a to the incipient leaves. 



b to the cambium layer. 

 <; to the medullary rays. 

 d to the roots. 

 CHAPTER XI. Transpiration and Respiration 150 



* Transpiration through the Stomata, of. Water. 



* Respiration, f Absorbing CO,. 



1, In the Green Parts, a in the sunshine -< Retaining C. 



I Exhaling O. 



b in darkness Absorbing O. 



Consuming C. 

 Exhaling C0 2 . 



2, In the roots, flowers, &c., at all times Absorbing O. 



Consuming C. 

 Exhaling CO 2 . 



PART THIRD.-SYSTEMATIC BOTANY 153 



CHAPTER I. General Principles of Classification 15,'] 



CHAPTER II. The Natural System l.-,5 



CHAPTER III. Botanical Auatysis 160 



CHAPTER IV. Rules for Nomenclature 11,3 



INDEX AND GLOSSARY... .. l 



