VOL, IV.] Recent Literature. 303 
congress. Names before that date shall be entitled to admis- 
sion.” 
‘‘ Names of genera or species or varieties which after roo 
years since their establishment have not been renewed by other 
botanists shall be prohibited to be renewed in the future” 
[half that time would seem to be quite sufficient]. 
‘“‘ Existing homonyms invalidate such homonyms as are in 
future competitory or newly established or renewed.”’ [The 
author has no patience with the ‘‘once a synonym always a 
synonym ” rule as a retroactive measure. ] 
It plainly appears from the above that the author is not 
without some sensible ideas. It is evident, however, that he 
needs an English editor in spite of his conviction to the contrary, 
and the following clause is so extraordinary that it seems hardly 
possible it can have emanated from a sound mind. 
““ Transitory Article. ‘The generic names proposed by Dr. 
Otto Kuntze for the new starting-point of nomenclature shall be 
valid according to the former articles, 1-68. The species-names 
thereto, as may be found in his Revisio generum plantarum, shall 
be combined with his proposed acceptable genera, and the com- 
binations of all such names shall be provided with his respon- 
Sible author’s quotation. 
‘Any editorial alterations shall be reserved to Dr. Otto 
Kuntze, subject to the consent of the next congress.’’ K. B. 
REVIEWS BY THEO. HOLM. 
B. RENAULT: Lycopodiopsis gen. nov..an arborescent Lycopodiaceous 
plant.* 
The present paper is based upon material from the carbon- 
iferous formation in Brazil, collected near Piracicaba in the 
province Santo Paulo. : 
While these specimens showed several features in common 
with the genus Lycopodium, the author has observed some diver- 
gences, which have seemed to make necessary the establishment 
of a new genus “‘ Lycopodiopsis.”” It might be noted, that this 
plant occurred with some Conifers, Cordaites, Praronius and 
* Notice sur une Lycopodiacée arborescente du terrain houiller du Brésil. 
(Société d’hist. nat. d’Autun. Vol. 3, p. 109-125.) 
