vi 
ERRATA, VOLUME IX 
ERRATA, VOLUME IX 
Page 150. Line 19 should read: 
also in the greenhouses of Peter Wagner of Brooklyn.^ 
Page 188, line 32; and page 193, line i. Puccinia Caryophylli should be 
Uromyces caryophyllinus. 
Page 323. In line 8, souliition should be solution. 
" 342. In lines 26 and 27, of a parasite should be or a parasite. 
464. In next to last line of table, Colletotricum should be Colletotri- 
chiim. 
CORRECTION 
Through an oversight, the writer failed to state in his paper, "Studies 
of the Mechanism of the Physiological Effects of Certain Mineral Salts in 
Altering the Ratio of Top Growth to Root Growth in Seed Plants" (pp. 
415-445), that the method used in growing isolated root tips was first 
suggested by Dr. W. J. Robbins, who had previously demonstrated its 
practicability. 
Thomas W. Turner 
