BRITTON AND ROSE 



M. E. Eaton del. 1 to 3 



H. A. Wood del. 4, 5 



1. Two plants of Opuntia drummondii. 3 Joints of Opuntia triacantha. 



2. Joints of Opu7itia retrorsa with flower. 4, 5. Joint and section of fruit of Opuntia jamaicensis. 



(All natural size.) 



