ERRATA. 
Page 304, line 7 from below, instead of “absolute,” read obsolete. 
“e 
425, ‘ 23 
458, “ 15 
432, “ 23 
435, “ 16 
483, “ 8 
ce 
ce 
top, 
below, 
top, 
ce 
“ce 
oe 
oe 
“reot-stalk,”’ “ root-stock. 
“ce “ce “ce 
“‘rudis,”? “«  microcephalus. 
“Buckleyi,” ‘ leptocaulis,T.&G. 
