VI CONTENTS. 



PAGE 



Sect. III. Of the Corolla, or Petals 52 



IV. Of the Stamens 56 



V. Of the Pistil, or Carpels 67 



VI. Of the Torus and its Adhesions 74 



VII. Of Abortion of Parts of the Flower, or of their Dege- 

 nerations 80 



VIII. Of Monochlamydeous, or incomplete Flowers ... 86 

 IX. Of the Relative Position of the Parts of one Floral 



Verticil compared with that of another . .... 91 



X. Of the Multiplication of the Floral Organs .... 93 



§ 1. The Multiplication of the Rows of Verticils .... ib. 



§ 2. The Multiplication of Parts of a Verticil 96 



§ .'!. General Examination of Double Flowers 98 



Sect. XI. Of the Irregularity of Parts of a Floral Verticil, or of 



Irregular Flowers 100 



XII. Of the Primitive Disposition of the Parts of a Floral 



Verticil, or of the ^Estivation 105 



XIII. Of Flowers united together Ill 



XIV. Of the absolute Number of the Parts of each Floral 



Verticil 112 



XV. Of Nectaries 115 



XVI. Comparison of Foliaceous and Petaloid Parts . . . 118 

 XVII. Of the particular Analogy between the Male and 



Female Organs of Flowers 123 



XVIII. General Conclusions and Considerations upon the 



Structure of Flowers 125 



Chap. III. 



Of the Structure of the Fruit of Phanerogamous Plants . 133 



Sect. I. Of the Fruit in general ib. 



II. Of the Carpels considered in the state of separation 



from one another 135 



III. Of the Carpels of the same Flower united together . 148 



IV. Of Carpels, considered with regard to their relation to 



the other Parts of the Flower which are persistent, 



or united around them 162 



V. Of the Organs situated outside the Flower, and which 



sometimes seem to form Part of the Fruit .... 170 

 VI. Of the Aggregation of Fruits which proceed from dif- 

 ferent Flowers 172 



VII. Of the Umbilical Cord and its Expansions .... 177 



