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,” 
Cieeeeaiaen oar” : pe 
Fics. 158 and 1sg. At the left, dusting with Paris green; at the right, gather- 
ing the crop. 
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