505 
That corn cross-fertilizes readily is evident to the most careless 
‘observer. Even the Indians of New England had noticed the fact, 
but had attributed the cause to the roots reaching to and com- 
municating with each other. The result of inter-crossings, as 
expressed in the ears, and given below from the data obtained 
from the use of seed grown under conditions that almost com- 
pelled interchange of pollen, and some of the seed taken from 
ears of other varieties or species than their own. 
Zea everta. 1883, nineteen plantings, of these seven produced 
pop and flint ears, twelve produced all pop ears; 1884, eight 
plantings, of these one produced pop and flint ears, and seven all 
pop ears; 1885, fourteen plantings, all produced pop ears. 
Zea indurata. 1883, nine plantings, of these three produced 
flint and dent ears, one produced flint, dent and soft ears, and five 
Produced all flint ears; 1884, seventeen plantings, of these three 
produced flint and dent ears, one produced flint and pop ears, one 
_ produced flint, dent and pop ears, one produced flint and soft ears, 
and eleven produced all flint ears; 1885, twenty-eight plantings, of 
these three produced flint and pop ears, three produced flint and 
dent ears, one produced flint and sweet ears, one PEDCHENT's sweet 
and pop ears, and twenty produced all ‘flint ears. 
Zea indentata. 1883, thirteen plantings, of these four pro- 
duced dent and flint ears, one produced sweet and flint ears, and 
six produced all dent ears; 1884, ten plantings, of these three 
produced dent and flint ears, one produced dent, flint, soft and 
Pop ears, and six produced dent ears alone; 1885, thirteen plant- 
ings, of these five produced dent and flint ears, one produced dent, 
_ flint and pop ears, and seven produced all dent ears. 
Zea amylacea. 1883, six plantings, all producing soft ears ; 
1884, two plantings, both producing soft and flint ears; 1885, 
thirteen plantings, of these one produced soft and flint ears, and 
twelve produced all soft ears. : 
Zea saccharata. 1883, five plantings, of these two produced 
sweet, pop and flint ears, one produced sweet and pop ears, and 
two produced all sweet ears; 1884, ten plantings, all producing © 
| Sweet ears ; 1885, forty-one plantings, of these one produced sweet — 
_ and dent ears, one produced sweet and flint ears, one of ahtepsrick all - 
nee ears, i a ee Sue all sweet ears. ee 
