6 Weiss, Colour of Flowers of a TropcEolum Hybrid. 



PLATE. 



Three flowers from the same plant showing variability of 

 colour. The flower to the left was light yellow in colour with 

 dark claret honey guides. The flower to the right was dark red, 

 while the median flower showed the red colouration commencing 

 near the edge of the petals. 



