BRITTON AND ROSE, VOL. fV 



M. E. Eaton del. I, 4 



E. I. Schutt del. Z 



D. G. PasBuaore del. 3 



1. Flowering plant of Neomammillaria viagnimamma . 3. Fruiting plant of Neomammillaria gigantca. 



2. Flowering plant of A^eomammillaria karwmskiana. 4. Fruiting plant of Neobesseya niissouriensis. 



