UNITED STATES & MEXICAN BOUNDARY 
i 
Ce ar kiesnnnarnes 6 $ 
ud 
nd 
ow 
eae 
PREIS OR Eire peer eb nena 
i rt a LN hh tt tr ee 
A 
ees ONO ORET TTT 
& 
Sa / fh 
Ke <a? J 
Pum te 
| 
| ; 
P| pe a 
fj 7 _— 
f } P “ X 
4, i ‘e 
gy 
eer vareaee 
ag 
<a 
P. Ramtter del. 
‘ : . ECHINOCACTUS CYLINDRACEUS 
Sia ‘ 
W. H. Dongs: sc. 
