THE IDENTIFICATION OF WALTER'S GRASSES. 



35 



4 4 



Pa 



hirtellum" , This is the long-awned form 



P. crus-galli L. (2) A 



6 



603." 

 P. hi. 



panicle labeled " Pani 



med form labeled " Panicum hirtellum 

 P. hispidum of Muhlenberg, who cites 

 ilt. (3) A piece of leaf and portion of 



mm hirtellum 817." This is 



Pa 



P. hirtellum Walt, under P 



P 



fc 



P 



(which is P. crus-galli L.) 



Hb. Lambert, nee non Vs 



It is impos- 



sible to tell from the description whether Walter refers 



P 



P 



Walter 



his P. hirtellum should stand as a synonym of P 

 galli L. P. hirtellum L. is an Oplismenus. 



anomalum 4. spica composite, spiculis secundis horizonta- 



libus alternis oppositis ternisque ; calycibus 

 laevibus confertis in triplici ordine: cor- 

 ollis trivalvibus; culmo decumbente; fol. 

 longis, laevibus. 



No specimen. I have not found this cited as a syn- 

 onym by any of the earlier authors, and it is impossible 

 to identify the species. From the statement " spica 

 coinposita/' one would suppose that the panicle was 

 similar to that of his P. italicum and P. hirtellum. 





dimidiatum spicis 4-7 dimidiato-secundis, rachi lineari 



5. 



membrahacea (ut paspalorum), extrorsum 

 floribus aggregatis. 



No specimen. Muhlenberg and Elliott state thai 

 P. WalteriEiU. (P. hemitomum Schultes: P. Cu 





