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



Chasea amara NieuwL, Amer. Midi. Nat. 2: 64. 1911. Based on Panicum 



amarum Ell. 

 (152) Panicum anceps Michx., Fl. Bor. Amer. 1: , 48. 1803. Carolina, 



Michaux. 

 Panicum rostratum MuhL: Willd., Enum. PL 1032. 1809. Pennsylvania 



[type, Muhlenberg] and Carolina. 



Agrostis nutans Poir., in Lam., Encycl. Sup. 1: 255. 1810. Carolina, Bosc. 

 Vilfa nutans Beauv., Ess. Agrost. 16, 148, 181. 1812. Based on Agrostis 



nutans Poir. 



Panicum nutans Desv., Opusc. 93. 1831. Based on Agrostis nutans Poir. 

 Panicum anceps var. angustum Vasey, U.S.Dept.Agr., Div. Bot. Bull. 8: 37. 



1889. Texas, Nealley. 

 Panicum anceps var. densiflorum Vasey, U.S.Dept.Agr., Div. Bot. Bull. 8: 



37. 1889. [Marshall], Tex., Riggs [91]. 

 (17) Panicum angustifolium Ell., Bot. S.C. and Ga. 1: 129. 1816. Presumably 



South Carolina. 



t Panicum ramulosum Michx., Fl. Bor. Amer. 1: 50. 1803. Carolina, Michaux. 

 Panicum curtisii Steud., Syn. PI. Glum. 1: 66. 1854. South Carolina, M. A. 



Curtis. 

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



Panicum angustifolium Ell. 

 (27) Panicum annulum Ashe, Jour. Elisha Mitchell Sci. Soc. 15: 58. 1898. 



Maryland to North Carolina and Georgia, Washington, D.C., Ward in 1892 



[type]. 

 Panicum bogueanum Ashe, Jour. Elisha Mitchell Sci. Soc. 16: 85. 1900. 



Based on P. annulum Ashe. 

 (19) Panicum arenicoloides Ashe, Jour. Elisha Mitchell Sci. Soc. 16: 89. 1900. 



Wilmington, N.C., Ashe in 1899. 

 Panicum orthophyllum Ashe, Jour. Elisha Mitchell Sci. Soc. 16: 90. 1900. 



New Hanover County, N.C., Ashe in 1899. 

 (117) Panicum arizonicum Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. Circ. 



32: 2. 1901. Camp Lowell, Ariz., Pringle 465. 

 Panicum fuscum var. majus Vasey, U.S.Dept.Agr., Div. Bot. Bull. 8: 26. 1889. 



Mexico [southwestern Chihuahua, Palmer Ib in 1885]. 

 Panicum dissitiflorum Vasey, in S. Wats., Amer. Acad. Sci. Proc. 24: 80. 1889. 



Name only. Guaymas, Mexico, Palmer 159 in part, 190. 

 Panicum fasciculatum var. majus Beal, Grasses N.Amer. 2: 117. 1896. Based 



on P. fuscum var. majus Vasey. 

 Panicum fasciculatum dissitiflorum Vasey; Scribn. and Merr., U.S.Dept.Agr., 



Div. Agrost. Circ. 32: 2. 1901, as synonym of P. arizonicum. 

 Panicum arizonicum tenue Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. 



Circ. 32: 3. 1901. Fort Huachuca, Ariz., Wilcox in 1894. 

 Panicum arizonicum laeviglume Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. 



Circ. 32: 3. 1901. Mescal, Ariz., Griffiths 1810. 

 Panicum arizonicum majus Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. 



Circ. 32: 3. 1901. Based on P. fuscum var. majus Vasey. 

 (103) Panicum ashei Pearson; Ashe, Jour. Elisha Mitchell Sci. Soc. 15: 35. 



1898. Ithaca, N.Y., Ashe in 1898. 

 Panicum umbrosum LeConte; Torr., in Eaton, Man. Bot. 342. 1818. Not 



P. umbrosum Retz., 1786. New York. 

 Panicum commutatum var. ashei Fernald, Rhodora 36: 83. 1934. Based on 



P. ashei Pearson. 

 (49) Panicum auburne Ashe, N.C. Agr. Expt. Sta. Bull. 175: 115. 1900. 



Auburn, Ala., Earle and Baker 1527. 

 (82) Panicum barbulatum Michx., Fl. Bor. Amer. 1: 49. 1803. "Carolina" 



[but type from Canada]. 

 Panicum dichotomum var. barbulatum Wood, Class-book ed. 3. 786. 1861. 



Presumably based on P. barbulatum Michx. 



Panicum pubescens var. barbulatum Britton, Cat. PI. N.J. 280. 1889. Pre- 

 sumably based on P. barbulatum Michx. 

 Panicum nitidum var. barbulatum Chapm., Fl. South. U.S. ed. 3. 586. 1897. 



Based on P. barbulatum Michx. 

 Panicum gravius Hitchc. and Chase, Rhodora 8: 205. 1906. Between Centre- 



ville and Mount Cuba, Del., Chase 3620. 

 (120) Panicum bartowense Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. 



^Circ. 35: 3. 1901. Bartow, Fla., Combs 1220. 

 Panicum bergii Arech., An. Mus. Nac. Montevideo 1: 147. 1894, Uruguay. 



