150 [ ASSEMBLY 
Sorr Corn. — In 1883, six varieties, of which six produced soft 
and flint kernels; in 1884, two varieties, of which one had soft 
and flint kernels, and one had soft, flint and sweet. 
Por Corn. — In 1888, nineteen varieties, of which seven had pop 
and sweet kernels ; one sweet, pop and flint, and eleven all pop 
kernels ; in 1884, eight varieties, of which two had sweet and pop 
kernels; one had sweet, soft and pop, and five had all pop kernels. 
Sweet Corn. — In 1883, five varieties, of which one had sweet and 
flint kernels; three sweet and pop, and one had sweet, flint and 
pop; in 1884, ten varieties, of which four produced sweet and 
dent kernels; four produced sweet and flint; one sweet and pop, 
and one sweet, flint and pop kernels. 
Summarizing the number of varieties of presumed pure seed and 
presumed hybridized seed, and expressing the number of yields in 
which there was no mixture of kernels of different agricultural 
species, we have: 
Presumed Presumed 
pure seed hybridized seed 
yielded. yielded. 
~ 29 Flint corns 20 times pure. 23 Flint corns 13 times pure. 
23 Dent corns 23 times pure. 19 Dent corns 14 times pure. 
10 Soft corns 9 times pure. 8 Soft corns 0 times pure. 
6 Pop corns 6 times pure. 27 Pop corns 16 times pure. 
62 Sweet corns 4 times pure. 15 Sweet corns 0 times pure. 
Per cent pure 54. - Per cent pure 46. 
In the two kinds of seed that we used, we noted a difference in 
the character of the hybridizations. With presumed pure seed, the 
sweet corns received current cross-fertilization from the flints and 
dents and the other agricultural species resisted current cross- 
fertilization, with the possible exception of one case of flint receiy- 
ing a doubtful dent, and soft receiving flint. In the case of the 
seeds of presumed hybrid character, we have a number of instances 
of flint corns bearing sweets, doubtful dents and soft kernels of dent 
corns bearing sweets and doubtful flint kernels; of soft corns bear- 
ing flint kernels; of pop corn bearing sweet and flint 
kernels; and of sweet corns bearing flint, dent and pop 
kernels. In many of these cases of opposite results occur- 
ring with the hybridized seed than with the pure seed we have a 
probable explanation in the incorrect classification of the ears ob- 
served. Thus a sweet corn grown in the midst of flint pollen will 
lose through current hybridization nearly all its sweet kernels, and 
will present an ear mostly flint, but with a few sweet kernels inter- 
spersed. A soft.corn grown in the midst of flint varieties may have 
most of its kernels changed to flint or dent, and will be classed with 
flint or dent ears. It is quite probable that with pure seed of 
the agricultural species, the sweet and the soft corns are the only 
species that ordinarily change kernels under current hybridization, 
and it is more than probable that the exceptions observed in our 
showing came through the seed not being purely bred, and thus 
throwing ears of a type that received the kernels which gave us our 
naming, while the true kernels became considered as interlopers on 
account of their infrequency. 
