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



Panicum capillare var. geniculatum Scribn., in Kearney, Bull. Torrey Bot. 



Club 20: 447. 1893. Wasioto, Ky., [Kearney 378]. 

 Panicum capillare gattingeri Nash, in Britt. and Brown, Illustr. Fl. 1: 123. 



1896. Based on P. capillare var. campestre Gattinger. 

 (Ill) Panicum geminatum Forsk., Fl. Aegypt. Arab. 18. 1775. Rosetta, 



Egypt. 



Paspalum appressum Lam., Tabl. Encycl. 1: 176. 1791. South America. 

 Digitaria appressa Pers., Syn. PL 1: 85. 1805. Based on Paspalum appres- 

 sum Lam. 

 Panicum beckmanniaeforme Mikan; Trin., in Spreng., Neu. Entd. 2: 83. 1821. 



Brazil. 



Panicum brizaeforme Presl, Rel. Haenk. 1: 302. 1830. Luzon. 

 Panicum glomeratum Buckl., Prel. Kept. Geol. Agr. Survey Tex. App. 3. 1866. 



Not P. glomeratum Moench., 1794. Western Texas. 

 Panicum appressum Lam.; Doell, in Mart., Fl. Bras. 2 2 : 184. 1877. Not 



P. appressum Forsk., 1775. Based on Paspalum appressum Lam. 

 Paspalidium geminatum Stapf, in Prain, Fl. Trop. Afr. 9: 585. 1920. Based 



on P. geminatum Forsk. 



This species has been referred to Panicum paspalodes Pers., not known from 

 America. 

 (135) Panicum ghiesbreghtii Fourn., Mex. PL 2: 29. 1886. Mexico, 



Ghiesbreght. 

 Panicum hirtivaginum Hitchc., Contrib. U.S. Natl. Herb. 12: 223. 1909. 



Cuba, Wright 758. 

 (82) Panicum glabrifolium Nash, Bull. Torrey Bot. Club 24: 196. 1897. Tampa, 



Fla., Nash 2415a. 

 (141) Panicum gouini Fourn., Mex. PL 2: 28. 1886. Vera Cruz, Mexico, 



Gouin 4. 

 Panicum gouini var. pumilum Fourn., Mex. PL 2: 28. 1886. Mexico, Vera 



Cruz, Virlet 1300; Antigua, Liebmann 450. 

 Panicum'repens var. confertum Vasey, Bull. Torrey Bot. Club 13: 25. 1886. 



"Louisiana" [erroneous, type from Bay St. Louis, Miss., Langlois]. 

 Panicum halophilum Nash, in Lloyd and Tracy, Bull. Torrey Bot. Club 28: 



86. 1901. Based on P. repens var. confertum Vasey. 

 (160) Panicum gymnocarpon Ell., Bot. S.C. and Ga. 1: 117. 1816. Savannah, 



Ga., Baldwin. 



Panicum monachnoides Desv., Opusc. 86. 1831. "Brazil" [locality erro- 

 neous]. 

 Panicum drummondii Nees; Steud., Syn. PL Glum. 1: 63. 1854. New 



Orleans, La., Drummond [574]. 

 Phanopyrum gymnocarpon Nash, in Small, Fl. Southeast. U.S. 104. 1903. 



Based on Panicum gymnocarpon Ell. 

 (133) Panicum hallii Vasey, Bull. Torrey Bot. Club 11: 61. 1884. Austin, Tex., 



Hall 816 (in part). 

 Panicum virletii Fourn., Mex. PL 2: 29. 1886. San Luis Potosi, Mexico, 



Virlet 1305, 1371. 



(143) Panicum havardii Vasey, Bull. Torrey Bot. Club 14: 95. 1887. De- 

 scribed from type of P. virgatum var. macranthum Vasey. 

 Panicum virgatum var. macranthum Vasey, Bull. Torrey Bot. Club 13: 26. 



1886. Not P. macranthum Trin., 1826. Guadalupe Mountains, Tex., 



Havard. 

 (91) Panicum helleri Nash, Bull. Torrey Bot. Club 26: 572. 1899. Kerrville, 



Tex., Heller 1759. 

 Panicum pernervosum Nash, Bull. Torrey Bot. Club 26: 576. 1899. Houston, 



Tex., Hall 830. 

 Panicum oligosanthes var. helleri Fernald, Rhodora 36: 80. 1934. Based on 



P. helleri Nash. 

 (159) Panicum hemitomon Schult., Mant. 2: 227. 1824. Based on P. walteri 



Muhl. 

 Panicum dimidiatum Walt., FL Carol. 72. 1788. Not P. dimidiatum L., 1753. 



South Carolina. Referred by Elliott to P. walteri. 

 Panicum walteri Ell., Bot. S.C. and Ga. 1: 115. 1816. Not P. walteri Pursh, 



1814. Charleston, S.C.; Savannah, Ga., [type]. 

 Pvnicum walteri Muhl., Descr. Gram. 108. 1817. Not P. walteri Pursh, 



1814. No locality cited, probably Georgia. 

 Pvnicum carolinianum Spreng., Syst. Veg. 1: 310. 1825, Based on P. 



walteri Ell. 



