EXERCISE 37 (Continued) 



Is every part of the surface of a potato able to give rise to 

 a sprout ? What part of the potato is necessary for the pro- 

 duction of a sprout ? From how small a piece did you succeed 

 in securing growth? Does more than one eye commonly grow 

 when several are present ? What is the relation of amount of 

 stored food to vigor and amount of growth? 



References 



BERGEN and CALDWELL. Practical Botany, pp. 82-85. 



BERGEN and CALDWELL. Introduction to Botany, pp. 44-46, 87-89. 



[46] 



