Laws of Botanical Nomenclature. 67 
from A’sculus Hippocastanum; Caryophyllee, from Dianthus 
Caryophyllus, etc.). 
Art, 23. The names of suborders (subordines, subfamilic) 
are derived from the name of one of the genera that form part 
of them, with the final -ee. 
Art. 24. The names of tribes and subtribes are taken from 
that of one of the genera included in the group, with the final 
ee or -inew 
§4. Names of Genera and of Divisions of Genera. 
Art. 25. Genera, subgenera, and sections, receive names, 
commonly substantive, which may be compared to our own 
bs family names. 
hese names may be derived from any source whatsoever, 
and may even be arbitrarily imposed, under the restrictions 
mentioned further on. 
_ Art. 26. A name may be given to subsections, as well as to 
inferior generic subdivisions ; or these may simply be indicated 
by a number, or by a letter. 
Art. 27. When the name of a genus, subgenus, or section is 
taken from the name of a person, it is composed in the follow- 
ing Manner :— 
The name cleared of titles or of any accessory particle, takes 
€ inal -a@ or -2a. : 
The spelling of the syllables unaffected by this final, is pre- 
(6.) If possible, by the composition or the termination of 
the word, to call to mind the affinities or the analogies of the 
genus, 
