How Domestic Varieties Originate 245 



Then we shall raise an acre of Acme tomatoes, and closely 

 allied varieties ; if we cannot do that, we make arrange- 

 ments to inspect the neighbor's fields. We scrutinize 

 every plant as the first fruits are ripening. Finally, one 

 plant is found not one fruit which is something like 

 the variety desired. Very well. Wait two to five years 

 and you shall see the new variety. 



FIG. 63. Cabbage shapes: flat; round or ball; egg-shaped; oval; 



conical. 



Some of these initial variations possess no tendency to 

 , reproduce themselves. The seedlings of them may break 

 up into a great diversity of forms, no form representing 

 the parent closely. In such cases, it is generally useless 

 to proceed further with this brood. Another start 

 should be made with another plant. So it is always im- 

 portant, as we have already seen (Rule 6), to have as 



