392 POLLINATION AND FRUIT SETTING 



(female organ) consists of a stigma, style, and ovary, and the 

 stamens (male organs) are made up of filaments and anthers 

 (Fig. 155). 



y-Germinating Pollen 



Connective 



Pollen Sac 



Three 

 Antipodal Cells 



Polar Nuclei - ~ 



Inner 

 Integument 



Outer I 

 Integument ' 



Nucellus-- 



Egg Cell- 



Two Synergids 



Anther]. 



^Stamen 



Filament 



^Pistil 



- 'Micropyle 

 Funiculus 



- - Base of 

 Perianth. 



""^ Nectary 

 ^-Receptacle 



Pig. 156. Diagrammatic lengthwise section of a flower illustrating flower 

 parts and pollen tube growth, resulting in fertilization of the egg cell 

 and a set of fruit (redrawn jrom Holman and Rohhins.) 



The arrangement; number and structure of the different 

 flower parts vary with the different fruits. For instance, in 



