276 NEW JERSEY STATE AGRICULTURAL 



record, and of these the entirely flint ones numbered fifty-six, 

 and the mixed one hundred and six, that is, practically one-third 

 were solid flint and two-thirds weremixed — samples of the former 

 being shown at the upper left hand corner of Plate IV, and the 

 latter to their right. A count was made of the flints and sweets 

 upon ten of the mixed ears with the following result: FHnt, 

 3427, sweet, 744, which is a much smaller percentage of sweet 

 grains than expected under the Mendelian law. 



As a rule, the mixed ears were of a more desirable shape and 

 size than the flint ones, as may be determined from the six sam- 

 ples shown in the plate. It seems to be true that the sweet grains 

 interspersed upon the mixed ears are as thoroughly wrinkled and 

 free from the starchy nature of the flint as those from ears 

 where all the grains are sweet. At first sight, the origin of the 

 flintiness, often noticeable in sweet corn, does not appear to be 

 due to admixture of the "blood" of a flint. corn by a recent cross. 



Plot 2 was occupied with a set of plants grown from the sweet 

 grains selected from the same ears that furnished the seed for 

 the plot last considered. The plants of this set, sample ears of 

 which are shown in the lower row of Plate IV, were somewhat 

 smaller than those for the flint grains of the cross in question, but 

 this is probably as expected, the grains and seedlings therefrom 

 being more influenced by the cold, damp spring weather. The 

 ears, as a rule, are less well filled out at the tips than the mates 

 in Plot I ; other than this the ears are desirable in general shape, 

 but need much selection to develop a uniformity in the number 

 and directness of the rows . The set contains purposely some 

 ears from the early harvest, which are dried out and the grains 

 shriveled, while the others are nearly freshly picked. A large 

 majority of the ears are solid sweet, but two in the engraving 

 show a few flint grains that, it is presumed, came from Plot i. 

 As both plots are of the same cross, they might have been grown 

 side by side and no harm from mixing of varieties would have 

 come. In other words, the flint grains are all "Adams-Crosby" 

 cross, as likewise the sweets wherever found in the two plots. 



