BRITTON AND ROSE, VOL. Iv 
PLATE Xttl 
rae) 
ge) 
pa 
~ 
NS] 
— 
~~ 
a 
4 
Wn 
ca 
‘Vv 
ig°) 
4 
ae! 
foe} 
— 
ise) 
U 
- 
& 
-_ 
fo) 
— 
a) 
(pan) 
iS 
= 
8S 
S 
~) 
) 
s 
~ 
2 
S 
8 
a) 
~ 
8 
i) 
SS 
= 
= 
~ 
~ 
= 
~ 
~ 
8S 
= 
~ 
= 
S 
=) 
cS) 
, 
at 
2. Neomammillaria gaumeri, from Yucatan, Mexico. 
l. 
