14 HuMMEL’S EXOTIC GARDENS 

“V” for Victory. One of the most demanded plants 
for Novelty pots. Botanically known as Cheiridopsis 
Pterocactus tuberosus, South candidissima. We have known older plants of this to 
American Sweet Potato. go for a year without water and yet remain in good 
condition. 

ed 

Mammillaria decipiens. Photo by tes 
Count F. M. Knuth, Denmark. eg Lastie ene Bs 
) . M. Knuth, Denmark. 

Obregonia denegri Strombocactus disciformis 
