904 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Panicum rectum Roem. and Schult., Syst. Veg. 2: 457. 1817. Based on 



P. strictum Pursh. 

 Panicum involutum Torr., Fl. North, and Mid. U.S. 144. 1823. Deerfield, 



Mass., Cooley. 

 Panicum inuhlenbergii Spreng., Syst. Veg. 1: 314. 1825. North America. 



[Type, New Jersey, Torrey]. 



Panicum junceum Trin., Gram. Pan. 220. 1826. North America. 

 Panicum sprengelii Kunth, Rev. Gram. 1: 39. 1829. Based on P. muhlen- 



bergii Spreng. 

 Panicum depauperatum var. involutum Wood, Class-book 786. 1861. Based 



on P. involutum Torr. 

 ? Panicum depauperatum var. laxum Vasey, U.S.Dept.Agr., Div. Bot. Bull. 



8: 29. 1889. " Virginia, Florida, Texas, Arkansas, Missouri." 

 Panicum depauperaium var. psilophyllum Fernald, Rhodora 23: 193. 1921. 



Canton, Maine, Parlin 1957. 

 (119) Panicum dichotomiflorum Michx., Fl. Bor. Amer. 1: 48. 1803. Western 



Allegheny Mountains, Michaux. 

 Panicum miliaceum Walt., Fl. Carol. 72. 1788. Not P. miliaceum L., 1753. 



South Carolina. 

 Panicum geniculatum Muhl., Cat. PI. 9. 1813. Based on P. dichotomiflorum 



Michx. 

 Panicum multiflorum Poir., in Lam., Encycl. Sup. 4: 282. 1816. Carolina, 



Bosc. 

 Panicum brachiatum Bosc; Spreng., Syst. Veg. 1: 321. 1825. Not P. brachi- 



atum Poir. Bermuda cited [but type probably from South Carolina, Bosc]. 

 Panicum elliottii Trin.; Nees, Agrost. Bras. 170. 1829, as synonym of P. 



proliferum Lam. [misapplied to P. dichotomiflorum]. 

 Panicum retrofractum Delile; Desv., Opusc. 96. 1831. North America. 



[Type from Carolina.] 

 Panicum proliferum var. pilosum Griseb., Cat. PI. Cub. 232. 1866. Hana- 



bana, Cuba, Wright [186]. 

 Panicum proliferum var. geniculaium Wood, Amer. Bot. and Flor. pt. 2: 392. 



1870. Presumably based on P. geniculatum Muhl. 

 Panicum amplectans Chapm., Bot. Gaz. 3: 20. 1878. South Florida, 



[Blodgett]. 

 Leptoloma dichotomi flora Smyth, Kans. Acad. Sci. Trans. 25: 86. 1913. 



Based on Panicum dichotomiflorum Michx. 



This species has been referred to P. proliferum Lam., an Old World species. 

 PANICUM DICHOTOMIFLORUM var. PURITANORUM Svenson, Rhodora 22: 154. 



f. 1-5. 1920. Barnstable, Mass., Fernald in 1919. 

 (31) Panicum dichotomum L., Sp. PL 58. 1753. Virginia, [Clayton 458]. 



Panicum angustifolium LeConte; Torr., in Eaton, Man. Bot. ed. 2: 342. 



1818. Not P. angustifolium Ell., 1816. New York. 



Panicum tremulum Spreng., Neu. Entd. 2: 103. 1821. New Jersey [Torrey]. 

 Panicum dichotomum var. viride Vasey, U.S.Dept.Agr., Div. Bot. Bull. 8: 30. 



1889. No locality cited. [Type, Washington, D.C., Ward in 1881.] 

 Panicum dichotomum var. divaricatum Vasey, U.S.Dept.Agr., Div. Bot. Bull. 



8: 30. 1889. No locality cited. [Type, Lake, Miss., Tracy 127.] 

 Panicum nitidum var. pauciflorum Britton, N.Y. Acad. Sci. Trans. 9: 14. 1889. 



Morris County, N.J., Britton. 

 Panicum nitidum var. viride Britton, N.Y. Acad. Sci. Trans. 9: 14. 1889. 



Based on P. dichotomum var. viride Vasey. 

 Panicum dichotomum var. commune Wats, and Coult., in A. Gray, Man. ed. 



6: 633. 1890. No locality cited. 

 Panicum ramulosum var. viride Porter, Bull. Torrey Bot. Club 20: 194. 1893. 



Presumably based on P. dichotomum var. viride Vasey. 

 Chasea dichotoma Nieuwl., Amer. Midi. Nat. 2: 64. 1911. Based on Panicum 



dichotomum L. 

 (78) Panicum ensifolium Baldw. ; Ell., Bot. S.C. and Ga. 1: 126. 1816. Georgia, 



Baldwin. 

 Panicum nitidum var. ensifolium Vasey, U.S.Dept.Agr., Div. Bot. Bull. 8: 29. 



1889. Based on P. ensifolium Baldw. 

 Panicum brittoni Nash, Bull. Torrey Bot. Club 24: 194. 1897. Forked 



River, N.J., Britton in 1896. 

 Panicum cuthbertii Ashe, Jour. Elisha Mitchell Sci. Soc. 15: 48. 1898. St. 



Helena Island, S.C., Cuthbert. 



