ERRATA 
Page 59, line 7, read “ consist of five of the six species.” 
Page 59, line 9, read “ten, not “ eight." 
Page 59, line 11, read ** including," not “also” 
Page 68, insert “ A. nobilis, A. multiformis,” after A. roscidus. 
Page 96, no. 55", read" Dover," not “ Downy.” 
Page 127, near top; the first subspecies under A. divaricatus 
should read “ 1b "" not “ 1a," and the four following subspecies ac- 
cordingly ; reserving “ 1a” for the typical form. 
Page 170, line 14, read “Dr. Samuel Boykin,” not “Dr. 
George Boykin.” 
Page 211, near middle, before A. chlorolepis, read “29” 
not '* 20,"’ 
Page 265, read “ Fig. 60," not “ Fig. 45." 
Page 323, near middle, read ** 55e" not '' 55d." 
