GW DO bh ro 
a, 
BRITTON AND ROSE, VOL. 
V 
M. E. Eaton del. 4 
Fruiting plant of Meomammillaria gaumert. 5. 
Flowering plant of Neomammillaria heydert. 
Fruit of same. : 6. 
Flowering and fruiting plant of Meomammillaria hemisphaerica. 
PLATE Vill 
Hoent Ce Ba 
Flowering plant of Neomammillaria compressa. 
Flowering plant of Neomammillaria geminispina. 
Flowering plant of Neomammillaria hemisphaerica. 
