BRITTON AND ROSE, VOL. IV 
M. E. Eaton del. 1,4 
E. I. Schutt del. 2 
D. G. Passmore del. 3 
1. Flowering plant of Neomammillaria magnimamma. 
2. Flowering plant of Neomammillaria karwinskiana. 
3s 
4, 
Fruiting plant of Meomammitllaria gigantea. 
Fruiting plant of Meobesseya missourtensts. 
