7 
SHINER CACTUS NURSERY 
Echinocactus visnaga.—On mountain 
Photograph—Prof. Helia Bravo. 
side, Mezquititlan— 
Seeing for the Unbelieving. Cepha- 
locereus senilis growing to a height 
of over 40 feet. 
Cephalocereus palmeri as seen 
from the Pan American Highway 
below Victoria, Tamaulipas. 
Paehycereus chrysomallus^—Tehuacan, Mexico. Photograph 
—Prof. Helia Bravo. 
Gathering Cephalocereus 
senilis in Mexico. 
Lophocereus schottii growing in Mexico. 
