f 



BRITTON AND ROSE 



fi ATf KXXli 



u 



t 



! 



M. E. Eaton del. 



1 . Upper part of flowering joint of 0/>u"iia leptocarpa 



2. Fruit of the same. 



(All natural 



size 



3. "Flowering joint of Opuntia velutina. 



4. Upper part of joint of Opuntia megacanlha. 



