Garden Plants Grown for Their Stems 279 



A fall crop is planted in July or August. There are many 

 varieties of both early and late sorts, and as a rule the 

 same variety is not planted for both the early and the 

 late crops. It is best to grow the kinds most generally 

 cultivated in the region. 



Potatoes are very subject to attacks of many diseases. 

 Some of these diseases are carried from year to year in 

 the tubers. Such diseases may be avoided in a large 

 measure by planting tubers from crops grown in north- 

 ern Maine, Vermont, New York, or Wisconsin, where 

 these particular diseases are not so frequent or so severe. 

 Other diseases, commonly called " blights " and " rots," 



FlGS. 158 and 159. At the left, dusting with Paris green; at the right, gather- 

 ing the crop. 



