59 
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 “ parallels ” read “ contrariae.’’ 
P. 30. Cereus Berlandieri is very near C. pentalophus , DC., but 
Prince Salm, who has cultivated both side by side, considers them 
well distinguished. 
P. 44. Opuntia Missouriensis has been sent from Clear Water, on 
the Kooskooskie, in Oregon, by the Rev. Mr. Spalding. 
