Knickerbocker Nursery 
E. rigidissimus. Beautiful Arizona Rainbow.50c 
E. salm-dyckianius. Mexico .$1.00 
E. sarissiphorus. N. E. Mexico. Very fine; purplish fls.. ,35c to 50c 
E. sciurus. Lower Calif.; magenta fls.; pale spines, brown 
tipped, very rare.75c to $1.00 
E. stolonijerus. Comparatively new species described in our 
Vol. 9, No. 10, Cactus and Succulent Journal. Alamos, 
Sonora Mexico.75c and $1.00 
The popular Ec bin ops is 
