New York Aoricultural Experiment Station. 445 



Green Newtown possibly carries a red unit factor; the dis- 

 tinctive oblique shape of this variety is prepotent in crosses with 

 Ben Davis; the progenitors of Newtown probably bore large 

 fruits; sweetness is recessive. 



Jonathan carries only red skin color ; it is more prepotent than 

 Ben Davis in the transmission of shape; sweetness is recessive. 



Lawver entered into too few individuals for even rough as- 

 sumptions. 



Mcintosh seems to carry both red and yellow skin colors; 

 the white flesh of the Mcintosh behaved as a recessive to the 

 yellowish-white color of the Ben Davis; in shape as many pro- 

 geny of Ben Davis crossed with Mcintosh resembled one parent 

 as the other and all were intermediate in size; the ratio of 

 two sweet to nine sub-acid apples supports previous statements 

 that sweetness is recessive. 



Mother probably does not carry yellow; shape and size seem to 

 be inherited as intermediates; sweetness is inherited in 2:3 in- 

 stead of 1 :3 proportions. 



Northern Spy carries red and yellow skin color; shape seems 

 to be transmitted as an intermediate ; its gametes carry large 

 and small size; this variety does not carry sweetness. 



Ralls probably does not carry yellow; is more prepotent in 

 transmitting shape-determining factors than Northern Spy in 

 the cross with this variety; the variability in size of its crossed 

 progeny is so great as to suggest that among its recent parents 

 were large and small-fruited apples ; it seems not to carry sweet- 

 ness. 



Rom.e entered into but one individual, hence nothing can be 

 said as to the inheritance of its characters. 



Sutton probably carries yellow ; it is less prepotent as to shape 

 than Northern Spy; its crosses did not give small fruits; it did 

 not carry sweetness. 



12. The following is the disposition of the crosses as to propa- 

 gation: From the eleven Ben Davis X Jonathan crosses, one 

 is marked for propagation, four for further testing and six for 

 discarding. Ben Davis X Mother gave two seedlings worthy of 

 propagation and eighteen for discarding. Ben Davis X Esopus 

 produced four worthless seedlings but the reciprocal cross con- 

 tributed two worthy of propagation, one for future testing, 



