436 A. Gray—Botanical Nomenclature. 
and the naturalists; and that these have happily modified 
genera, without an explanation under each species.” | This is 
illustrated by the supposed case of three genera, combined into 
one, each of which has a species lanceolata; by the case of a 
A fatal objection to the principle of names by implication is 
that all such names, if they are existent, must be in‘ exed Bd 
transcribe under Senecio the specific names pertaining to all the 
genera which Bentham has referred to that already pit 
no small matter, and a part of the work will prove superfl 
