362 Gates, 
in 1910 to test this important point, but unfortunately the plants all 
remained rosettes, so that it cannot be stated whether both O. rubri- 
calyx and O. rubrinervis occurred in Fy, giving alternative inheritance. 
Fig, 4. Flowering shoot, O. rubrinervis. 
This seems most probable however, for so far as I have yet deter- 
mined, O. rubricalyx in crosses behaves the same as O. rubrinervis. 
As an example of this behavior, O. rubricalyx >< O. Lamarckiana!) 
and its reciprocal, O. Lamarckiana > O. rubricalyx, both gave in the 
1) The pollen parent is always mentioned last. 
