R. K. Nabours 



41 



Roye X Pea : (2), pp. 63, 64. This cros-s was undoubtedly PP x .S'ct.S* 

 which produced P>S<J> (one of the four kinds of walnut) in F^. These 

 inbred would give F.,, 



ss PP PS 



1 1 2 



Single 

 1 



Pea 

 3 



SS'P s<t>s* 



2 1 



Kose 

 3 



2 12 4 



Walnut 

 9 



This situation is exactly paralleled by matings (108), (242), and (243) 

 in Paratettix : 



(See also matings at end of summaries, where those containing single 

 and double doses of @ were separated.) 



