New or noteworthy American Grasses. — VI, 



By Geo. V. Nash. 

 Paspalum bifidum (A. Bertol.) 



Paniatni Floridamiui Trin. Mein. Acad. St. Petersb. (VI.) 3: Pt. 

 2,248. 1834. '^oi Paspaliun Floiidajunn M-K. 1803. 



Panicuin bifidwn A. Bertol. in Mem. Acad. Sci. Bolog. 2: 598. 

 //. 41. f. 2, e-h. 1850. 



Panicmn Alabaniciise Trin.; Steud. Syn. PI. Gram. 64. 1855. 



Paspalum racenmlosuni Nutt.; Chapm. Fl, S. St. 571. 1S60. 



Paspalum intcrruptuiu Wood, Classbook, 783. 1861. 



The above seems to be the oldest available name for this 

 plant, the Paniann Floridamim of Trinius being excluded by the 

 Paspalum of the same name previously published by Michaux. 

 The excellent plate and description of Bertoloni, and the fact that 

 his plant was from Alabama, leaves little to be desired in its iden- 

 tification. I have been unable to ascertain where Dr. Chapman 

 secured the name of P. racemidosum Nutt. The publication by 

 Nuttall of such a name I have failed to discover up to the present. 

 The only name resembling that accredited to Nuttall by Chapman 

 is P. racemosum, published by the former in the Transactions of 

 the American Philosophical Society ( (II.) 5: 145. 1837), but 

 this is antedated by that of Lamarck. Nuttall secured his plant 

 in southeastern Indian Territory, and just what he had I am as 

 yet unable to determine. P>om a comparison of our plant with 

 his description, I think it will become apparent at once that what- 

 ever plant he did have, it was some other than that which has 



