326 * .» > E JOURNAL OF BOTANY 
duct—the blend. ‘To him, again, Mendelism is the expression of 
Under what law of inheritance do such isolated or dominan 
characteristics emerge? And is such a law discoverable? There 
are certain some characters which do not blend. The colour of 
colour of the two parents differs in tint, we never find a blended 
colour of the eyes in any of the offspring; the child inherits its 
eyes from one parent only, or from some more remote ancestor. 
Ina curious case, in the child of a neighbour of mine, the refusal 
to blend is still more significant. In this child the right eye is 
bright blue, and the left eye is dark brown, corresponding with 
that of each of the parents. 
Mr. Bateson implies (p. 131) that, had segregation been known 
to Galton, the law of ancestral heredity would not have been 
promulgated; and that it is obvious that so soon as that 
henomenon is recognized and appreciated all question of useful 
or direct applicability of the law of ancestral heredity is at an 
