B. MiYAZAWA 63 



1. Lmtf -colour, 



Tho ri'tiulU of my iiiV(>Mti^ition am* in |H'rf<'ft jicronl with th«)H«' of 

 lakoxnki (p. tU). aiul it will hv rradily mth fn»in Taihir II that hciv 

 the Mi*gregiiti<m ciccurs in the Hiniplost Mcn<lilian liwhion. 



TABLE II. 



UomilU KxiH»cU«1 



F\ plant* lirecii Yellow ToUU 



.lx/?(« + fe + r) 200 73 273 



Hx. 4 (<! + «+/) 188 72 2(»0 



ToUIb ... 388 146 533 399-76 



2. '* Ifuhirin." 



As bi'tbre stjitod, in spito ot" thi' fact that neither the one nor the 

 other of the parents shews externally any sign of the " hnkurin," this 

 chanietvr appears in the F^ plants, and moreover, it will be seen from 

 Table III that in Fo the ratio of plants with white-margined and 

 those with fully-coloured Howers is 8:1. As of coui*se we cann(^t 

 distinguish between the white-margined and the non-white-margined 

 condition in perfectly white flowers, plants with the latter kind of 

 flowers are not included in this Table. 



Totals 284 123 407 305-25 10175 ±21-25 ±8-736 



From the above table we see that the number of plants with white- 

 margined flowers really obtained is always smaller than might be 

 theoretically expected, except in ^ x B(a). We have however to make 

 here the two following remarks. In the first place, the area of the 

 " hukurin " piirt was very variable according to individuals, notwith- 

 standing the fact that all plants were grown under exactly similar 

 conditions. Thus not rarely the " hukurin " was represented by very 



' Deviation from the theoretical number. 

 2 Standard error. 



