Rural School Leaflet. 



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walls of the cell. They are called carpels. Note the number of seeds 

 in each cell. This number will vary with different fruits and different 

 varieties of the same fruits. In the apple two are usual, rarely three or 

 more. Sometimes no seeds develop. Save the seeds. 



6 





Fig. 20. — The fruit and pits of our common drupes. 5, 

 Cherry; 6, Plum; J, Peach. 



Third, compare the structure of the plum ])its or peach pits and the 

 apple seeds. Note the rougli. hard shell-like covering of the ]Mt or stone. 

 The seeds have a smooth, tougli covering not as thick as that of the pits, 

 yet thicker and tougher than that of vegetable seeds. Observe the meaty 

 portions of the pits and seeds. In this meaty portion lies the embryo 

 which, under proper conditions of moisture, heat, and oxygen, will grow 

 into a new plant. 



