izo THE COTTON PLANT IN EGYPT CHAP. 



author to reconsider the whole subject from a totally 

 different point of view. 



The breeding plot (Figs. 52a and 521). We have 

 thus far found that floral structure has no protective. effect. 

 In addition it should be noted that the geographical 

 position of any plant on the plot seems to make but little 

 difference"; in two cases we have found natural hybrids 



FIG. 52A. THE BREEDING PLOT. 



bearing a semi-red leaf, being first-crosses with a single 

 plant of Willett's- Red -Leaf, which was kept in a corner of 

 the plot from year to year ; these natural crosses had been 

 made over a distance of 50 metres, the interval being 

 occupied by dozens of other plants.* Further, \\e have 

 found indications that different varieties, or even different 

 plants, growing side by side, show differences in their 



* See, however, Leake, H. M. (4). 



