Smithsonian Report. 1930.— Blakesli 



Plate 10 



17 1 1 



18 18 



a"? 



17 17 



1 . Capsule and Chromosom.al Models of "Dwarf Sugarloaf," Tertiary 

 (2Nn'l) Type with the 17-2 Chromosome Extra 



2. Mature Plant. Capsule and Chromosome models of "Wiry," a Terti- 

 ary (2N + 1) Type with the 1-18 Chromosome extra 



