PLATE 60 



Portions of inflorescences of iV. Tabacum var. macro phylhi, N. Tabacum var. 

 angustifolia and the Fj hybrid between them. 



Fig. 1. Left, portion of inflorescence of macrophylla, middle, of the F,, and 

 right, of angustifolia. 



Fig. 2. Left, portion of the inflorescence of macrophylla. middle, two of the 

 F„ and right, of angustifolia. 



[532] 



