MANUAL OF THE GRASSES OF THE UNITED STATES 825 



Cenchrus echinatm brevisetus Scribn., in Millsp., Field Mus. Bot. 2: 26. 1900. 

 Based on Cenchrus brevisetus Fourn. 



(4) Cenchrus gracillimus Nash, Bull. Torrev Bot. Club 22: 299. 1895. E : 

 Fla., Xash 188 [tvpe], 288. 



(5) Cenchrus incertus M. A. Curtis, Jour. Bost. Soc. Nat. Hist. 1: 135. 1837. 

 Smithville, N.C., Curtis. 



? Cenchrus Carolinian us Walt., Fl. Carol. 79. 1788. South Carolina. 

 Cenchrus strictus Chapm., Bot. Gaz. 3: 20. 1878. West Florida, [Chapman]. 

 ?Xastus carolinianus Lunell, Amer. Midi. Nat. 4: 214. 1915. Based on 

 Cenchrus carolinianus Walt. 



(1) Cenchrus myosuroides H.B.K., Nov. Gen. and Sp. 1: 115. pi. 35. 1815. 



Flamingo Key, Cuba, Humboldt and Bonpland. 



Panicum cenchroides Ell., Bot. S.C. and Ga. 1: 111. 1816. Not P. cenchroides 

 L. Rich., 1792. Jekyl Island, Ga., Baldwin. 



Pennisetum pungens Nutt., Gen. PL 1: 54. 1818. Based on Panicum cen- 

 chroides Ell. 



Setaria elliottiana Schult., Mant. 2: 279. 1824. Based on Panicum cenchroides 

 EU. 



Pennisetum myosuroides Spreng., Syst. Veg. 1: 303. 1825. Based on Cenchrus 

 myosuroides H.B.K. 



Cenchrus elliottii Kunth, Rev. Gram. 1: 51. 1829. Based on Panicum cen- 

 chroides Ell. 



Cenchrus alopecuroides Presl, Rel. Haenk. 1: 317. 1S30. Not C. alopecuroides 

 Thunb., 1794. Original locality unknown, probably Peru. 



Cenchrus setoides Buckl., Prel. Rept. Geol. Agr. Survey Tex. App. 2. 1866. 

 Northern Texas, [Linscum and Buckley}. 



Cenchropsis myosuroides Nash, in Small, Fl. Southeast. U.S. 109, 1327. 1903. 

 Based on Cenchrus myosuroides H.B.K. 



(6) Cenchrus pauciflorus Benth., Bot. Voy. Sulph. 56. 1840. Magdalena Bay, 



Baja California, [Barclay]. 

 Cenchrus roseus Fourn., Mex. PI. 2: 50. 1886. Vera Cruz, Mexico, Gouin 42 



in part, 43. 

 Cenchrus echinatus forma longispina Hack., in Kneucker, Allg. Bot. Ztschr. 9: 



169. 1903. Oxford, Conn., Gram. Exs. Kneucker 426. 



(7) Cenchrus tribuloides L., Sp. PI. 1050. 1753. Seacoast of Virginia, [Clayton]. 

 Cenchrus echinatus var. tribuloides Torr., Fl. North, and Mid. U.S. 1: 69. 1823. 



Based on C. tribuloides L. 

 Cenchrus vaginatus Steud., Syn. PI. Glum. 1: 110. 1854. Cultivated in the 



botanical garden, Paris. 

 Cenchrus tribuloides var. macrocephalus Doell, in Mart., Fl. Bras. 2 2 : 312. 



1877. Brazil, Martius. 

 Cenchrus macrocephalus Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 17: 110. f. 



406. 1899. Based on C. tribuloides var. macrocephalus Doell. 



(2) Cenchrus viridis Spreng., Syst. Veg. 1: 301. 1825. Guadeloupe, [Bertero], 

 Cenchrus echinatus var. viridis Spreng.; Griseb., Fl. Brit. W. Ind. 556. 1664. 



Presumably based on C. viridis Spreng. 



(102) CHLORIS Swartz 



(7) Chloris andropogonoides Fourn., Mex. PI. 2: 143. 1886. San Luis Potosf, 



Mexico, Virlet 1462. 

 Chloris tenuispica Nash, Bull. Torrev Bot. Club 25: 436. 1S9S. Texas, 



Nealley in 1889. 

 (6) Chloris chloridea (Presl) Hitchc, Biol. Soc. Wash. Proc. 41: 162. 192S. 



Based on Dineba chloridea Presl. 

 Dineba chloridea Presl, Rel. Haenk. 1: 291. 1830. Mexico, Haenke. 

 Eutriana chloridea Kunth, Rev. Gram. 1: Sup. XXIII. 1830. Based on 



Dineba chloridea Presl. 

 Gymnopogon lo?igifolius Fourn., Mex. PI. 2: 144. 18S6. Vera Cruz, Mexico, 



Gouin 52. 

 Gymnopogon virletii Fourn., Mex. PI. 2: 144. 1SS6. San Luis Potosf, 



Mexico, Virlet 1441. 

 Chloris longifolia Vasey, Contrib. U.S. Natl. Herb. 1: 2S4. pi. 19. 1893. 



Not C. longifolia Steud., 1854. Based on Gymnopogon longifolius Fourn. 

 Chloris clandestina Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. Bull. 24: 



25. 1901. Based on Gymnopogon longifolius Fourn. 

 (11) Chloris ciliata Swartz, Prodr. Veg. Ind. Occ. 25. 17SS. Jamaica, Swartz. 



