MANUAL OF THE GRASSES OF THE UNITED STATES 879 



(8) Leptochloa uninervia (Presl) Hitchc. and Chase, Contrib. U.S. Natl. Herb. 



18: 383. 1917. Based on Megastachya uninervia Presl. 

 Megastachya uninervia Presl, Rel. Haenk. 1: 283. 1830. Mexico, Haenke. 

 Poa uninervia Kunth, Rev. Gram. 1: Sup. XXVIII. 1830. Based on Mega- 

 stachya uninervia Presl. 

 Diplachne verticillata Nees and Mev., Nov. Act. Acad. Caes. Leop. Carol. 19: 



Sup. 1: 27. 1841; 159. 1843. Chile and Peru, Meyen. 

 Uralepis verticillata Steud., Syn. PI. Glum. 1: 24S. 1S54. Based on Diplachne 



verticillata Nees and Mey. 

 Eragrostis uninervia Steud., Syn. PI. Glum. 1: 278. 1854. Based on Mega- 

 stachya uninervia Presl. 

 Atropis carinata Griseb., Abh. Ges. Wiss. Gottingen 24: 291. 1879. Argentina. 

 Leptochloa imbricata Thurb., in S. Wats., Bot. Calif. 2: 293. 1880. California, 



Larken's Station, San Diego County, Palmer 404; Fort Yuma, Thomas; 



Gila Vallev to Rio Grande. 

 Diplachne imbricata Scribn., Bull. Torrey Bot. Club 10: 30. 1883. Based on 



Leptochloa imbricata Thurb. 

 Brizopyrum uninervium Fourn., Mex. PI. 2: 121. 1886. Based on Megastachya 



uninervia Presl. 

 Leptochloa virletii Fourn., Mex. PL 2: 147. 1886. San Luis Potosi, Mexico, 



Virlet 1404. 

 Diplachne tarapacana Phil., An. Mus. Nac. Chile. Bot. 8: 88. 1891. Tarapacd, 



Chile. 

 Rabdochloa imbricata Kuntze, Rev. Gen. PL 2: 788. 1891. Based on Lepto- 

 chloa imbricata Thurb. 

 Diplachne carinata Hack., Bol. Acad. Cienc. Cordoba 16: 253. 1900. Based 



on Atropis carinata Griseb. 

 Diplachne uninervia Parodi, Univ. Nac. Buenos Aires Rev. Centr. Estud. 18: 



147. 1925. Based on Megastachya uninervia Presl. 

 (3) Leptochloa virgata (L.) Beauv., Ess. Agrost. 71, 161, 166. pi. 15. f. 1. 1812. 



Based on Elcusine virgata Pers., which is based on Cynosurus virgatus L. 

 Cynosurus virgatus L., Syst. Nat. ed. 10. 2: 876. 1759. Jamaica. 

 Festuca virgata Lam., Tabl. Encycl. 1: 189. 1791. Based on Cynosurus 



virgatus L. 

 Eleusine virgata Pers., Syn. PL 1: 87. 1805. Based on Cynosurus virgatus L. 

 Chloris poaeformis H.B.K., Nov. Gen. and Sp. 1: 169. 1816. Colombia and 



Ecuador, Humboldt and Bonpland. 

 Leplostachys virgata G. Meyer, Prim. Fl. Esseq. 74. 1818. Based on Cynosurus 



virgatus Willd. [error for L.]. 

 Cynodon virgatus Raspail, Ann. Sci. Nat., Bot. 5: 302. 1825. Based on 



Leptochloa virgata Beauv. 

 Eleusine unioloides Willd.; Steud., Nom. Bot. ed. 2. 1: 549. 1840, as synonym 



of Leptochloa virgata Pers. 

 Leptochloa mutica Steud., Syn. PL Glum. 1: 208. 1854. Surinam [Dutch 



Guiana], Kappler 1553. 

 Leptochloa virgata var. mutica Doell, in Mart., Fl. Bras. 2 3 : 91. 1878. Based 



on L. mutica Steud. 

 Leptochloa virgata var. aristata Fourn., Mex. PL 2: 148. 1886. Mexico. 

 Leptochloa virgata var. intermedia Fourn., Mex. PL 2: 146. 1886. Mexico, 



Liebmann 243, 251. 

 Oxydenia virgata Nutt.; Jacks., Ind. Kew. 3: 392. 1894, as synonym of 



Leptochloa virgata. 

 Leptochloa perennis Hack., Inf. Est. Centr. Agron. Cuba 1: 411. 1906. Cuba, 



Baker 4617. 

 (6) Leptochloa viscida (Scribn.) Beal, Grasses N.Amer. 2: 434. 1896. Based 



on Diplachne viscida Scribn. 

 Diplachne viscida Scribn., Bull. Torrey Bot. Club 10: 30. 1883. Santa Cruz 



Valley, Tucson, Ariz., Pringle in 1881. 



(122) LEPTOLOMA Chase 



(1) Leptoloma cognatum (Schult.) Chase, Biol. Soc. Wash. Proc. 19: 192. 1906. 



Based on Panicum cognatum Schult. 

 1 Panicum nudum Walt., Fl. Carol. 73. 1788. South Carolina. Description 



inadequate, no specimen in the Walter Herbarium in the British Museum. 

 Panicum divergens MuhL, Descr. Gram. 120. 1S17. Not P. divergens H.B.K., 



1815. South Carolina. 



55974°— 35 56 



