BRITTON AND ROSE, VOL. IV 



M. E. Eaton del. 1 to 4, 6, 7 

 A. A. Newton del. 5 



1. Flowering plant of Coryphantha cubensis. 

 la. Fruit of same. 



Id. Tubercle of same. 



2. Flowering plant of Neomammillaria confusa. 



3. Flowering plant of Neomammillaria geminispina. 



4. Top of flowering plant of Coryphantha durangensis . 



5. Flowering plant of Coryphantha arizojiica. 



6. Flowering plant of Coryphantha bumamma. 



7. Flowering plant of Coryphantha chlorantha. 



