Brassiea Crosses. 7 



Classifying the plants into groups with two pairs of characters associated, the 

 results came out thus : 



Found Expected, 9.3 X 3.1 ratio 



(194 plants). (from 192 plants). 



Fig. 68. Bulbed with Swede foliage 109 108 



69. Ragged Jack foliage 23 }_ ^ 36 



., 70. Intermediate foliage 4 > 



71. Bulbless Swede foliage 47 36 



., 72. ,. Ragged Jack foliage 10 ) 



,, 73. ,, Intermediate foliage 1 k 



Kohl Rabi on Thousand-headed Kale. 



There is little need to describe the parent plants minutely. The Kohl Rabi has 

 a thickened bulbous stem with broad thinnish leaves, the Thousand-headed Kale 

 having an elongated and very much branched stem bearing large numbers of 

 leaves (figs. 74 & 75). 



The plants of F 1 were somewhat intermediate in character between the parents 

 (fig. 76). 



Segregation took place in the F 2 generation, the results being as follows. 



As regards the bulbing character there were : 



Found (207 plants). Expected (from 208 plants). 



Bulbed 154 156 



Bulbless 53 52 



PI. 9, fig. 77. 60 of the bulbed plants very closely resembled the Kohl Rabi 



grandparent in bulb, but had strong Thousand-headed Kale 



foliage. 

 78. 94 had similar Thousand -headed Kale foliage, but the bulbing 



character was not so pronounced. 

 79. 53 had elongated thickened stems shorter than the typical 



Thousand-headed Kale ; the foliage was like that of the latter 



plant. 



c? ? 



Thousand-headed Kale on Kohl Rabi. 

 This is the reciprocal of the preceding cross (see figs. 74 & 75). 

 The plants of F 1 were intermediate in character between the parents as before 

 described, having Thousand-headed Kale foliage and slight bulbing tendency 

 (fig. 80). 



In F 2 the following results were obtained (figs. 81, 82, 83, & 84) : 

 As regards the bulbing character there were 



Found (201 plants). Expected (from 200 plants). 



Bulbed 135 150 



Bulbless . 66 50 





