Size Relationships 



451 



Fig. 129. Leaves and flowers in polyploids and aneuploids of Nicotiana 

 Langsdorfii. The leaves are from haploid (1), diploid (2), triploid (3), 

 tetraploid (4), and octoploid (5) plants. The flowers numbered 6 through 

 12 are from plants which have respectively 9, 17, 18, 32, 34, 36, and 72 

 chromosomes. (Photographs courtesy of Dr. H. H. Smith in the American 

 Journal of Botany.) 



