158 



ESSENTIALS OF BOTANY 



diagram of the Iris family (Fig. 116, III) the three dots 

 inside the flower indicate the position of a second circle 

 of stamens, found in most flowers of monocotyledons, but 

 not found in this family. 



187. Review Summary of Chapter XV. 



The organs of the flower and their arrangement.^ 



Kinds of flower as regards symmetry . ... 



The receptacle. 



r appearance of circles. 

 The perianth . J apparent union of sepals. 



L apparent union of petals. 



The stamens 

 The carpel. 



The pistil . 

 The ovary . 



parts 



real union, 

 apparent union. 



parts 



simple pistil, 

 compound pistil. 



types of placenta ^2. 



u. 



positions relative to other circles • < 2. 



u. 



1 Illustrate by sketches when possible. 



