3RITT0N AND ROSE, VOL. IV 



M. E. Eaton del. ■ ahdcose,, i.inm.™ 



1. Flowering plant of Neomammillaria bombycina. 4. Flowering plant of Neomammillaria armillata. 



2. Flowering plant of Neomaimnillaria armillata. 5. Flowering plant oi Neomatnmillaria goodridgei. 



3. Top of flowering plant of A'eoinammillaria armillata. 



