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 100 

 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 necessar}- the establishment 

 of a new genus ''Lycopodiopsis.'' It might be noted, that this 

 plant occurred with some Conifers, Cordaites, Praronius and 



* Notice sur une Lycopodiacee arboresceute du terrain houiller du Bresil. 

 (Societe d'hist. nat. d'Aiituii. Vol. 3, p. 109-125.) 



