PAENELL, RANGASWAMI AYYANGAR, AND RAMIAH 



81 



In plants with golden inner glumes the internode is golden, whereas a 

 light green internode normally accompanies green glumes. In all the material 

 so far examined, with the exception of one family to be described later, this 

 connexion between the golden colour of inner glumes and internode has been 

 constant. It will be seen later that purple colouring of inner glumes and 

 internode depends on two separate factors which may be coupled so closely 

 as to appear as one factor. Whether this is the case with golden colouring' 

 remains to be seen from future work. 



The golden character, irrespective of the actual shade of colouring, behaves 

 as a simple recessive to green. The total available figures are given in 

 Table III which shows a simple 3 : 1 ratio of green to gold. 



Thompstone^ describes a, 3 : 1 ratio of ivhite : deep rusty-red which is 

 presumably the same as the above green and gold. 



Table III. 

 Golden colouring of inner glumes and internode. 



^ Thompstone, E., /. c, p. 45. 



