F. Keeble 167 



TABLE II. 

 The Origin of Giant White Queen Star. 



1903 White Queen Star (W. Q. S.) raised from seed 



1904 = normal W. Q. S. 



selfed 



1905 Fi plants with occasional 6-petalled flowers : most flowers normal 



I 

 selfed 



1906 F-i plants with occasional 6- and 7-petallecl flowers : most flowers 



normal | 



selfed 



1907 7^3 (oA) 10 plants, all with slight fimbriation of edges of petals, 8 with 1 



or more 6-petalled flowers : petals large, selfed 1 plant 



1908 Fi 5A1 11 plants: flowers large, of good substance; j)etals meeting or over- 



lapping. Flower slow in opening; slight fimbriation of edges 

 of many petals= Giant )Vhite Queen Star, see Plate XI, fig. 2. 

 selfed 



1909 Fi, 5A 1/1 3 plants all true to Giant form and habit 



hAlft 7 ,, „ ,, selfed 



1910 Fg 5A Ij'ijl 8 plants all true to Giant form and habit 



5J 1/2/8 1 plant 



5A 1/2/9 2 plants ,, ,, ,, selfed 



1911 F7 5A 9 "6 plants all true to Giant form and liabit selfed 



5.1 10 1 plant 



1912 Fg G. W. Q. S. 30 plants all trae to Giant form and habit 



these "mutants" is illustrated in Plate XI, figs. 1, 2 — and a com- 

 parison of the giant and normal forms shows how markedly they differ 

 the one from the other. The differences between the two forms are not 

 confined to the flowers, though they are most patent in the petals 

 (c/'. Fig. 1). Giant White Queen Star, the origin of which is now 



Fig. 1. Corolla of Normal and of Giant White Queen Star. 

 Journ. of Gen. it 12 



