HITCHCOCK AND CHASE — NORTH AMERICAN GRASSES. 43 



Moeelos : Cuernavaca, Hitchcock 6853 ; Orcutt 3890. 



Colima : Jala, Hitchcock 7010. Colima, Orcutt 4616. 



Agtja sc alien te s : Aguascalientes, Hitchcock 7488. 



Guanajuato: Irapuato, Hitchcock 7410. Acambaro, Hitchcock 6937. 



Jalisco: Guadalajara, Hitchcock 7320. Zapotl&n, Hitchcock 7136. San Nico- 

 las, Hitchcock 7192. 



Veracruz : Orizaba, Hitchcock 6315. Jalapa, Hitchcock 6653. C6rdoba, Hitch- 

 cock 6405. 



Oaxaca: Oaxaca, Hitchcock 6122; Conzatti & Gonzalez 350a. 



I Iichoacan : Uruapan, Hitchcock 6990. 



Guatemala : Guatemala City, Hitchcock 9071. San Miguel Uspanl&n, Heydc & 

 Lux 3556. 



Salvador : San Salvador, Hitchcock 8961. 



Nicaragua: Masaya, Hitchcock 8647. 



Costa Rica : San Francisco de Guadalupe, Pittier 16124. San Jose, Tonduz 

 3029, 6943. Alajuelita, Pittier 2998. Guadalupe, Hitchcock p^rT; Tonduz 

 7592. Atenas, Hitchcock 8522. Alajuela, Jimenez 521. 



Brazil: Campinas, Campos Novaes 1252. Goyaz, Gardner 3499. Rio Quebra 

 Anzol, Dorsett & Popenoe 161b. Quixada, CearS,, Lofgren 3912. Rio Tardo, 

 Rio Grande do Sul, Jurgens G46. Locality unknown, Riedel 1950 ; Glaziou 

 3609. 



Bolivia : Without locality, Bang 2588. 



EXCLUDED SPECIES. 



Brachiaria digitariodes (Carpenter) Nasb 1 —Panicum hemitomon Schult. 

 Brachiaria ortusa (H. B. K.) Nash=Pamc«m obtusum H. B. K. 

 Brachiaria prostrata (Lam.) Griseb.=Pa«icttm reptans L. 



1 In Britton, Man. 77. 190L Nash at this time accepted Brachiaria as a genua 

 without reference to the reversed spikelets. 



