342 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
19. Bouteloua curtipendula (Michx.) Torr. in Emory, Mil. Reconn. 154. 1848. 
Chloris curtipendula Michx. F1. Bor. Amer. 1: 59. 1803. 
Type locality, ‘‘in aridis regionis Illinoensis ad Wabast.’’ 
Rance: Northern United States to Argentina. 
HERBARIUM SPECIMENS FROM MExXIco: 
Lower Cauirornta: Carmen, Island, Palmer 861 in 1890. Topo Mountains, 
Orcutt 671. San José del Cabo, Brandegee in 1890 and in 1902. 
Sonora: San José Mountains, Mearns 1039. Guadalupe Canyon, Merton 2047. 
Hermosillo, rocky cliff, Hitchcock 3609. Nogales, along railway, Hitcheock . 
3633. 
CarauaHua: Between Colonia Garcia and Pratt’s ranch below Pacheco, Nelson 
6247. Chihuahua, Palmer 114 in 1908; rocky hill, Hitchcock 7797; hills and 
plains, Pringle 408. Southwestern Chihuahua, Palmer 206 in 1885. Santa 
Eulalia Plains, Wilkinson in 1885. Mifiaca, rocky run, Hitchcock 7739. 
Durango: Durango, dry ground, Hitchcock 7606; by ditch, Palmer 194 in 1896. 
Torreén, rocky hill, Hitchcock 7539. 
CoaHuita: Chojo Grande, 27 miles southeast of Saltillo, Palmer 371 in 1904, 
Saltillo, large bunches about an old brick yard, Palmer 407 in 1898; sandy 
field, river bottom, Hitchcock 5614. Jaral, Schumann 1721. 
Nuevo LrEén: Monterey, rocks among shrubs, [Hitchcock 5518. 
Zacatecas: Zacatecas, in gulch in dry sterile hills, Hitchcock 7520. Hacienda 
de Cedros, foothills, Lloyd 201, 213. Pico de Teira, Lloyd 239. Concepcién 
del Oro, Palmer 264 in 1904. 
AGUASCALIENTES: Aguascalientes, sterile, rocky hill, Hitchcock 7457. 
San Luts Porosi: Cardenas, prairie near ditch, Hitchcock 5738, San Luis Potost, 
edge of field, Hitchcock 5673; Schaffner 188. 
Jauisco: San Nicolis, sterile clay hill, Hitchcock 7213. Bolafios, Rose 2929. Rio 
Blanco, Palmer 503 in 1886. Guadalajara, dry open ground, along rim of 
Barranca de Oblatos, Hitchcock 7328, 7345. 
— Guanasuato: Trapuato, dry, shrubby hill, Hitcheock 7425. 
QUERETARO: Querétaro, agave field, Hitchcock 5860. San Juan del Rio, stony 
hillside, Rose, Painter & Rose 9551. 
Hipatgo: Ixmiquilpan, limestone hillside, Rose, Painter & Rose 8977, 9027. 
Tula, along railroad, Rose, Painter & Rose 8359. Pachuca, rocky hill, 
Hitchcock 6706. 
MicHoacAn: El Ocote, Cerro Pedregosa, Langlassé 537. Morelia, Arsene 2993. 
FEDERAL District; Orcuit 3666; lava rock, Hitchcock 5953, 5957; Holway 10; 
Bourgeau 491; agave field; Hitchcock 5904. 
Puesia: Mount Orizaba, Seaton 113. Tehuacdn, limestone hills; El Riego, 
Rose, Painter & Rose 9989; cactus hill, Hitchcock 6083, 6087; Liebmann 580. 
San Luis Tultitlanapa, Purpus 3595. Esperanza, barren hills, Pittier 444; 
Hitchcock 6474. San Marcos, railway embankment, Hitchcock 6538. Hills 
road to Mexico City, Nicolas in 1909. 
VERACRUZ: Orizaba, Botteri 699; open rocky hill, Hitchcock 6357. 
MoreELos: Cuernavaca, rocky place, Hitchcock 6862. 
GUERRERO: Balsas, rocky hill, Hitchcock 6772; along railway cut, Hitchcock 6867. 
Oaxaca: Monte Albin near Oaxaca City, Smith 958. Oaxaca, rocky hill, Hitch- 
cock 6148. Tomellin, rocky hill, Hitchcock 6200. Cuicatlin, Nelson 1700. 
20. Bouteloua pringlei Scribn. U.S. Dept. Agr. Div. Agrost. Circ. 80: 4. 1901. 
Type locality, ‘‘Mountains of Iguala, Mexico.”’ 
RanGE: Highlands, southern Mexico. 
HERBARIUM SPECIMENS: 
Moretos: Hills near Yautepec, Pringle 11217. 
GuerxeERO: Iguala, limestone ledges of mountains, Pringle 8374. 
