EXPERIMENT STATIOX REPOKT. 277 



The ears of the cross seem to approach quite closely the size of the 

 white parent, but, as a matter of fact, the two longest and heaviest 

 weigh in the same notch with the large white ear, and the next 

 to the largest of the pop ears. In weight of whole ears, therefore, 

 an as-erage is struck, and in the weight of tlie grains only, the 

 ratio* are: White, 4 ; cross, 8 ; pop, 17 ; that is, the weight of the 

 crossed grain is nearer the large than the small-grained parent. 

 In length of grain the ratios are 5, 7, 11, and in breadth, 9, 8, 11. 

 In other words, the pop grains are as wide as they are long, and 

 the cross somewhat longer than broad, and the field grains are very 

 much longer than broad — all of which shows a blending of the 

 dimensions in the cross. 



The grains of the middle one of the set of cross ears were shelled 

 and counted, with the following results: White, 170 ; orange, 191 ; 

 lemon yellow, 302. The two yellows are not separated with ease, 

 and therefore this may account for the variation from the theoreti- 

 cal — assuming that the orange-eolored ones are the pnre dominants 

 and the lemon (pale) yellow the "hybrids." The two shades of 

 the cross are very evident in all the ears of the cross, and the in- 

 ference is that the white dilutes the yellow in the "hybrid" grains. 



FLTNTINESS AS IXFT.UENCED BY ENVIRONMENT. 



Grains from a practically solid flinty ear of "Malamo," grown 

 upon poor soil in 1908, were planted in a block of thirty-two hills 

 in the home grounds where the soil approaches a garden condition, 

 and much better than that upon which the seed was gro^vn the 

 previous year. 



The season was unusually jDOor for early corn, but the plants 

 made a fair growth ; much better than those from "sweet" "Mal- 

 amo" seed planted in a distant part of the same area as a check. 

 Of the sixty-six ears of fair size harvested, thirty -four were flinty 

 and thirty-two generally sweet. The lower part of Plate III. 

 is occupied with five of the most flinty ears at the left and these 

 showing the largest amonnt of sweet (wrinkled) grains at the 

 right. The reader is' to bear in mind that all gradations between 

 those two sets make up the remaining fifty-six ears. In a gen- 

 eral way it seems fair to state that there are about an equal num- 

 ber of the flinty and the sweet grains in the whole lot of ears, 



