BRITTON AND ROPF 



PLATE VI 



M. E. Eaton del 



1, 2. Branches of Opuniia m0*tolensis . 5. Flowering branch of Opuntia arbuscula. 



3, 4. Branches of Opt/ntia leptocan/is. 6. Flowering branch of Opuntia kleiniae. 



(All natural size.) 



