PLATE 17 



^^ ' ^ ^>* ^ Jl 



^••* _> 





102 



"-^^^-^ 



97 and 98. Dieffenbachia seguine var. nobilis (pith). 

 99 and 100. Dieffnibachia seguine var. nobilis (cortex). 

 101 and 102. Dieffenbachia seguine var. maculala (pith). 



