ERRATA. 



Page 304, line 7 from below, instead of "absolute," read obsolete 



425, 

 458, 

 432, 

 435, 

 483, 



23 

 15 



23 

 16 



8 



top, 



below, 



top, 



"root-stalk," " root-stock. 



"rudis," 

 "Bucldei/i," 



microcephalus. 

 leptocaulis, T. & G. 



