BRITTON AND ROSE, VOL. III 
M. E, Eaton del. 
ar WN eH 
PLATE Xix 
Top of flowering plant of Gymnocalycium platense. 
Top of flowering plant of Gymnocalycium schickendantztt. 
Top of flowering plant of Homalocephala texensis. 
Fruit of same. 
. Seed of same. 
(All natural size, except seed.) \ 
* 
A 
1 ffoen &Co 
