The Cultural Evolution of Cyclamen latifolium. 139 

 Fig. 3. 



tion and selection. The stage shown in fig. 3 owes its preservation 

 to its having retained fragrance. Beyond this stage fragrance has 

 been lost. 



An interesting question is whether there is any limit to the ex- 

 tent to which an organ can be developed, and if so, what ? It is to 

 be hoped that Mr. Martin will continue his work in this direction 

 and strive, if only as a matter of scientific interest, to increase the 

 size of the corolla to the maximum possible. The only check will 

 probably be found to be the general balance of nutrition. 



