i e 
CORRECTIONS AND ADDITIONS. 
~P. 11. Mamillaria scolymoides has been collected by Mr. Wright 
on the Pecos, in Western Texas. 
P. 17. 9th line from top, dele ‘* 1” after ‘ fuscatis.” 
P. 22. 5th line from top, for “ parallel ” read “ contrarize.” 
7 30. Cereus Berlandieri is very near C. pentalophus, DC., but 
Prince Salm, who has cultivated both side by side, considers them 
well distinguished. 
: a : P. 44. Opuntia Missouriensis has been sent from Clear Water, on 
the Kooskooskie, in Oregon, by the Rev. Mr. Spalding. 
