XVII. TYPICAL FRUITS 



191. CORE FRUITS 



Object. To learn the structure of a core fruit. 

 Apparatus. Two apples and a knife. 



Method. Study the outside of the apple. Find the 

 stem end, the blow 



^^g^^^^BBQBB^^. 



. ||H ^W end. What parts of 



the flower are still 

 found attached to 

 the fruit? 



Cut one apple 

 from stem to blow 

 end and examine 

 the section exposed. 

 Note the skin, flesh, 

 fibrous line, core, and 



-^dp*" - wall of nvn rv 



placenta 



Find also where and 

 how the seeds are 



attached. Draw the 

 section, naming all 

 parts. 



Cut the other apple crosswise through the center. Find 

 all parts mentioned above. 



Conclusion. Describe the structure of a core fruit, 

 naming each part from outside to center. 



Suggestion. Compare apples with pears, quinces, haws, 

 and the fruit of mountain ash. 



224 



peduncle 



receptacle 



dead esuential 



organs 

 sepaJti 



FIG. 98. The apple. 



