K. S. FINLOW ANb 1. H. BUKKILL. 



79 



and the second recessive, in crosses. Theoretically, the ratio 

 should be 3 to 1, instead of 3 "3 to 1 as found. 



The seed saved from the selected capsules which had been 

 left to be fertilized naturally gave plants as .shown in Table II. 

 The ratio of those with red pigment to those without is almost 

 exactly 3 : 1 in this case. 



Table No. II. 



FroiJortioa of red to (ireeii plaata in the F.^ (jeacratiou, from 

 floivers ncUurally fertilized. 



Fj Gexeratiox. 



No artificial self-fertilizations were made during 1910, but, 

 at the end of the season, seed produced by natural fertilization 

 was preserved from single plants of each tjqje, in each of the 

 plots mentioned in Tables I and II. In the present season, 1911, 

 it was found impossible to sow the whole of the seed thus 

 collected. Attention was therefore confined to the progeny 

 of plants in the following plots, ri;. .• — Nos. 20G, 209, 

 2G1, 2()2, and 2(J3, our observations on which are contained 

 in the following pages. The following diagram shews at a 



