LIST OF LINE CUTS 



PAGE 



Two varieties Acocotli, drawn by Hernan- 

 des, about 1575, for his book published 

 in Rome, 1651 4 and 5 



Average clump of tubers ready to be sepa- 

 rated. Large tuber should be cut short 

 where indicated 42 



Green cutting as taken from sprout. 

 Leaves and stem to be trimmed where 

 indicated 49 



The same cutting ready for rooting ... 50 



Tuber planted properly. Dotted line 

 shows depression when first planted; to 

 be levelled later 88 



Dahlia branch showing crotch bloom al- 

 ready disbudded. Side branches need 

 disbudding 105 



xiii 



