BRITTON AND ROSE 



PLATE IV 



M K. Katon del. 



1. Upper part of flowering joint of A\>/>a/ci/ cochcnillu 



2. Upper part of flowering joint of Nopalca u/</->r. 



(All natural size. 



.>. Fruit of A'o/m/t\i mil' 



4. Flowering joint of Nopalea dejecta. 



