BRITTON AND ROSE, VOL. Ill 



PLATE X 



M. E. Eaton del. 



1. Flowering plant of Echinopsis aurea. 



2. Flowering plant of Copiapoa coquimbana. 



3. Flowering plant of Lophop/iora williamsii. 



4. Flowering plant of same. 



(All natural size.) 



