HITCHCOCK—MEXICAN GRASSES. 263 
HERBARIUM SPECIMENS FROM Mexico—Continued. 
DuranGco: Durango, Palmer 3784 and 872 in 1896; rocky hill, Iron Mountain, 
Hitchcock 7623. 
CoAHU:iLA: Torreédn, among mesquite bushes, Palmer 505 in 1898. 
Nuevo Leon: Monterey, hills, Pringle 1968; edge of field, Hitchcock 5542. 
Teric: San Blas, Nelson 4341. 
San Luis Porosi: Cardenas, along irrigation ditch, Hitchcock 5729. 
QUERETARO: Querétaro, field among agaves, Hitchcock 5808. 
Puesia: Tehuacan, along track, Hitchcock 6047. 
Veracruz: Mirador, Liebmann 362. 
Oaxaca: Oaxaca, bottom land of river, Hitchcock 6068. Tomellin, copses along 
railway, Hitchcock 6241. 
8. Chaetochloa setosa (Swartz) Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 4: 39. 
1897. 
Panicum setosum Swartz, Prodr. Veg. Ind. Occ. 22, 1788. 
Type locality, ‘Jamaica.’’ 
Rance: Southwestern United States to West Indies and South America. 
HERBARIUM SPECIMENS FROM MEXIco: 
Nuevo Leon: Monterey, hills, Pringle 1968. 
9. Chaetochloa composita (H. B. K.) Scribn. U. 8. Dept. Agr. Div. Agrost. Bull. 
4: 39. 1897. 
Setaria composita H, B, K. Nov. Gen. & Sp. 1: 111. 1816. 
Type locality, ‘‘regione calidissima prope Cumana et Bordones, in Nova Andalusia.”’ 
RANGE: Southwestern United States to South America. 
HERBARIUM SPECIMENS FROM MEXICO: 
Lower CALIFORNIA: Ensenada, Orcutt in 1889. San Pablo Canyon, Purpus 227. 
La Paz, Palmer 125 in 1890. San José del Cabo, Brandegee in 1890, Carmen 
Island, Palmer 857 in 1890, 
Sonora: Guaymas, Palmer 340 in 1887. Alamos, Rose, Standley & Russell 13004. 
CurnuanHuaA: Chihuahua, edge of field, Hitchcock 7775. Sabinal, Nelson 6368. 
Duranoo: Torreén, along dry ditch, Hitchcock 7728. Tlahualilo, Pittier 471. 
CoaHUILA: Saltillo, along irrigation ditch, Hitchcock 5589, 5604, 5634; along fence 
rows, Palmer 378 in 1898. Parras, Palmer 1363 in 1890. 
Nuevo Leon: Monterey, edge of field, Hitchcock 5534. 
Zacatecas: Zacatecas, in gulch in dry, sterile hills, Hitchcock 7521. Concepcién 
del Oro, Palmer 261 in 1904. 
San Luis Porost: San Luis Potosf, alfalfa field, Hitchcock 5665. 
Hipaueo: Ixmiquilpan, limestone hillsides, Rose, Painter & Rose 8993. 
Puesia: Tehuacan, hills east of city, Rose, Painter & Rose 10116. 
10. Chaetochloa gracilis (H. B. K.) Scribn. & Merr. U. 8S. Dept. Agr. Div. Agrost. 
Bull. 21: 15. 1900. 
Setaria gracilis H. B. K. Nov. Gen. & Sp. 1: 109. 1816. . 
Type locality, ‘‘inter Fusagasuga et Pandi * * * (Regno Novogranatensi.)” 
RanGeE: Southwestern United States to South America. 
HERBARIUM SPECIMENS FROM MEXICO: 
Curauanua: Chihuahua, Palmer in 1885. 
Nuevo Lr6én: Monterey, edge of field, Hitchcock 5560. 
Jauisco: Zapotlin, common in pine woods, hillside, Hitchcock 7239. 
FepeEraL District: Lava beds, Pringle 7171. 
Puesia: Chalchicomula, rocky hill, Hitchcock 6278. 
Veracruz: Cérdoba, Fink 5, 
Oaxaca: Valley of Cuicatlan, mountain ridge, Nelson 1907. 
