New York Agricltltitral Experiment Station. 433 



indoor crop is so inferior to the outdoor crop that it is very 

 evident that the strength of none of the plants was taxed. Under 

 such conditions all the standard plants could be expected to do 

 equally well. 



Table II. — Yield of Tomatoes from Parent Varieties and from F, 



Seedlings. 



(Winter Experiment, 1908-9.) 



SUMMER EXPERIMENT, 1909'. 



The Dwarf Aristocrat, the Livingston Stone, and three filial 

 generations of the cross Dwarf Aristocrat x Livingston Stone 

 were used in this summer's experiment. The dwarf plants in 

 the second and third generations were discarded, and, therefore, 

 only the standards were planted. The second generation standards, 

 as has been noted, should contain about two heterozygous to 

 one homozygous plants, but the proportion of the two classes in 



