418 A. Gray—Botanical Nomenclature. 
to be settled when they arose. No’ small discussion upon cer- 
tain details has in fact ensued, in which our author, naturally 
such as the nomenclature of organs (which he had treated in 
his recent Phylographie), the nomenclature of fossils, and the 
when old genera are combined or reconstituted; also some 
matters of orthography and punctuation are briefly considered. 
Finally, in a third part, the Laws adopted by the Paris Congress 
are reprinted, with the suggested eae The alterations 
and additions are printed in italic type, so that they may 
differences between these rules and those of the botanica code 
