242 



PLANT HYBRIDIZATION BEFORE MENDEL 



which have been combined under influences that are the subjects of much 

 speculation, but are as yet little understood. We seem to inherit bit by 

 bit, this element from one progenitor, that from another, under condi- 

 tions that will be more clearly expressed as we proceed, while the several 



Plate XL. Sir Francis Galton, 1822-1911. 



