BRITTON AND ROSE, VOL. Ill 
PLATE X 
M. E. Eaton del. 
1 . Flowering plant of Echinopsis aurea. 
2 . Flowering plant of Copiapoa coquimbana. 
o. Flowering plant of Lophophora williamsii. 
4 . Flowering plant of same. 
(All natural size.) 
AJfoeh & Co. 
