VARIETIES 79 



7. Depth and frequency of eyes. Deep eyes (Fig. 21), 

 to some extent, are regarded as associated with robust- 



FIG. 21 THREE FAVORITE SHAPES OF POTATOES 

 (Upper row, the broad surface ; lower row, the narrow surface.) 

 Beginning on the right, the small one is a flat-round; the center one, kid- 

 ney; the largest one, on the left, elongated oval. Notice the shallow, wide 

 eyes on the latter; they are the most desirable. The eyes of the flat-round 

 are too deep. 



ness and, frequently, coarseness. They are wasteful 

 in peeling. Deep eyes tend to hold moisture, which 

 hastens decay when the potatoes are stored. 



8. Time of matiirity. In the Northern States pota- 



