BRITTON AND ROSE 



PLATE XVI 





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^^- E. Eaton del. 



AJiDGFT&CC. 



1- Joint of Opuntia pascoensis. 



2. Joints of Opuntia taylori. 



3, 4. Forms of Opuntia repens. 



6, Flowering joint of Opuntia drummondii. 



(All natural size-) 



•5, Flower of same. 



