304 Recent Literature. [zoe 



relics of a reptile, the Stereosternum of Cope. The material 

 consisted of some fragments of a stem, which showed numerous 

 scars from leaves in dense spirals. A transverse section was 

 also obtained of the stem itself; but no organs of fructification 

 were to be found. 



The author compares the shape and the arrangement of the 

 leaf scars of this plant with those of others from the same forma- 

 tion, such as Praronius, Lepidodendron, L,epidophloios and various 

 representatives of the Sigillariacese, and finds a certain accordance 

 to those of the Lycopodiaceae. A similar study has been made 

 of the anatomical structure of the stem, which in several 

 respects does not correspond to that of a Lycopodium. This is 

 for instance well marked by the presence of a distinct pith in the 

 Brazilian plant, besides that the mestome -bundles are moved 

 towards the periphery. It might also be objected for the identi- 

 fication of our plant as belonging to the lyycopodiacese, that there 

 is a considerable cork developed. But we might, on the other 

 hand, take into consideration, that during the carboniferous 

 period the trees showed constantly a heavy layer of this tissue 

 on account of their exposure to frequent changes of dry or moist 

 atmospheres. 



Two species of Lycopodium are known from the same forma- 

 tion namely L. piinctattwi B. R. and L. Renaidti Brongt. , but the 

 author has preferred, as stated above, to consider this plant as 

 representing a new genus Lycopodiopsis, species Derbyi B. R. 



H. EngelhardT: Cretaceous plants from Boheviia.^ 



The comprehensive studies of Velenovsky upon the cretaceous 

 flora of Bohemia have already called attention to the numer- 

 ous interesting types, that occur in this flora. It was, espe- 

 cially, these previous works, that induced the author of the present 

 paper to study a collection of plants from the same formation in 

 Bohemia, which had not been examined by Velenovsky. Several 

 species are enumerated in this note and the author gives a very 

 complete synonomy of each species with references to the litera- 



* Ueber biihmische Kreidepflanzen aus dem Geologischeu Institute der 

 Deutschen Universitiit, Prag. (Mitteilungen aus dem Osterlande, Vol. 5, 

 New Series, Altenburg i. S. — A. 1892, p. 86. One plate.) 



