R. P. Grkcm)ry 119 



ters of the F,'s from the various crosses which have been made are 

 shown below : 



VntnhAr ni 



Deaeriptton 

 21 plants. White, petals tinged, no 



tinge in tube. 

 28 plants. White, no tinge seen. 

 42 plants. White, with faint tinge 

 in petals ; no tinge in tube. 



" Dnchess " X Dominant White 1 8 plants. White, with distinct tinge 



in tube. 

 " Dnchess "xfj (Dominant White X" Snowdrift") 2 White, no tinge seen, 15 plants; 



White, tinged in tube, 14 plants. 



" Duchess " X Rosy- Magenta 1 12 plants. White, rather fully 



tinged in petals. 



The Fi fix)m the cross between " Duchess " and " Snowdrift " con- 

 tains a long series of types, for to the various inhibited and coloured 

 forms corresponding with those obtained in the F.2 from (Dominant 

 white X CJoloured, red stigma) there are added the " Sirdars," pale- 

 pinks and whites on green stems which are characteristic of the F^'s 

 from crosses between "Snowdrift" and plants possessing the factors for 

 colour. And since the " Duchess " used in these experiments was of 

 the red class, red as well as magenta forms of each coloured type are 

 present. The numbers obtained in three families were : 



Green stems, red collar 

 Bed stems (" Sirdar " tn>e8) Pale-pinks WMtes 



No colour No colour 

 Bed seen in seen in 

 Green stigma Bed stigma Green stigma Bed stigma oc^ar stem stem 



Tinged 

 White and white and Tinged 



Tinged white Coloured Coloured White Sirdar White Sirdar 



117 47 37 47 14 18 7 5 19 56 



The tinged whites with green stigma are of two kinds, namely, 

 (1) those which resemble the Fi in having a more or less evenly 

 distributed tinge, which becomes more pronounced as the flowers fade, 

 and (2) those with a definite central tinge surrounding the eye and 

 most conspicuous in the young flower. All the tinged whites with red 

 stigma have the colour disposed in the centre after the " Duchess " 

 style. 



At the time when these families were recorded the distinctive 

 character of the forms resembling "Buller" had not been recognized, and 

 some of them were included with the class " Coloured, red stigma " ; 

 in the table the two classes of red-stemmed plants with red stigma are 

 therefore taken together ; it will be noticed that there is a deficiency 



