CONTENTS. IX 



Chapter VII. 



PREFLORATION OR AESTIVATION. 



Page. 



Definition and Kinds of Prefloration — Forms of Valvate 

 Prefioration — Forms of Imbricate Prefloration — 

 Contorted Prefloration — Plicate Prefloration — Re- 

 capitulation of Prefoliationand Prefloration — Prac- 

 tical Exercises 61-63 



Chapter VIII. 



STRUCTURE OF THE FLOWER. 



Parts of the Flower — Typical Flower — Deviations from 

 Typical Form — Deviations due to Deficiency of 

 Parts — Deviations due to Redundancy of Parts — 

 Deviations due to Anteposition of Parts — Devia- 

 tions due to Irregularity of Parts — Deviations due 

 to Union of Parts — Practical Exercises 63-68 



Chapter IX. 



THE TORUS, CALYX AND COROLLA. 



The Torus — The Calyx — Forms and Modifications of 

 the Calyx — Epicalyx — The Corolla — The Com- 

 plete Petal — Forms of Choripetalous Corollas — 

 Forms of Gamopetalous Corollas — Practical Exer- 

 cises 69-75 



Chapter X. 



THE STAMENS OR ANDROZCIUM. 



Structure of the Stamen — Insertion of Stamens — Union 

 of Stamens — The Filament — The Anther — The 

 Connective — The Pollen — Pollinia — Practical Ex- 

 ercises 75~8 1 



Chapter XI. 



THE PISTILS OR GYNjECIUM. 



Structure and Parts of the Pistil — Apocarpous and Syn- 

 carpous Pistils — Placentation — The Ovary — The 

 Style— The Stigma— The Ovule — Practical Exer- 

 cises 81-88 



