TOMATOES AND OR A NOB S 



301 



increase in size of fruit come about by the mere 

 expansion of the walls of the berry? If so, the 

 fruit would be hollow, and 

 useless. 



360. Sections of common 

 large tomatoes are seen in 

 Fig. 308. There are many 

 locules, and the partitions 

 have become thick and firm. 



361. The first great in- 

 crease in size was accom- 

 panied by division of the 

 two locules, and the fruit be- 

 came angled or furrowed (or "rough," as gar- 

 deners say). These tomatoes are now unpopu- 

 lar, and "smooth" ones have been produced by 



Fig. 309. 



Old-time and new-time forms 

 of tomato fruit. 



Fig. 310. 

 The mark showing the interposition of axile locules. 



