BRITTON AND ROSE 



PLATE XXVI 



i 



^' E. Eaton del. 



1. Flowering joint of Opunita bergMana 



2. Flowering joint of Opuntia elatior. 



3. Flowering joint of Opuntia boldinghii.- 

 4, 5. Joints of O^tmtia elata. 

 (All natural size.)' 



^- M'- >. „ 



