90 



PLANT BIOLOGY 



4. Draw, natural, size in the position in which the pod 

 hung on the plant the opened fruit. Label wall 

 of ovary, developing seeds (undeveloped seeds, 

 if present), seed-stalk. 



FIG. 35. Development of the pea fruit from the pea flower. (Drawn 

 from Jung Chart.) 



101. Study of the cucumber, Tokay grape, cranberry, or 

 tomato fruit. Laboratory Study No. 47. 



A. Outside of the fruit. 



1. All of the fruits named above are developed ovaries. 



Describe the shape and color of the fruit you are 

 studying. 



2. Make a drawing, natural size (or an inch in diameter 



in case the grape or cranberry is used). Label 

 fruit-stalk (if present), ovary. 



B. Inside of the fruit. 



Cut a cross section of one. of the fruits you are studying. 

 1. Carefully move one of the seeds within the fruit ; is 

 it attached or is it free ? 



