338 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
HERBARIUM SPECIMENS FROM Mexico—Continued. 
México: Toluca, rocky hill, Hitchcock 6896. Federal District, Oreutt 3608; 
Valley of Mexico, Rose & Hay 5972; open ground, Hitchcock 5905, 5943; 
Pringle 6450, 11218. — 
Puesta: San Marcos, along railway embankment, Hitchcock 6506, Chalchico- 
mula, along dike in field, Hitchcock 6288; along railway, Hitchcock 6307. 
3. Bouteloua barbata Lag. Var, Cienc. 2%: 141. 1805. 
Type locality, Mexico. 
RanGeE: Utah to California and south in the highlands to Oaxaca. 
HERBARIUM SPECIMENS FROM MEXxiIco: 
Lower CaumrorntA: La Paz, Palmer 126 in 1890. Los Angeles Bay, Gulf of 
California, Palmer 508 in 1887. Cape St. Lucas, Yantus 117. Carmen 
Island, Palmer 854 and 857 in 1890. Arroyo Salado (Cape Region), Purpus 
410. San José del Cabo, Brandegee 11 and 31 in 1890, Brandegee in 1902. 
Sonora: Guaymas, Palmer 508 in 1887. Papago Tanks, MacDougal in 1907. 
Northwestern Sonora, hills, Pringle in 1884. Imuris to Altar, Grifiths 6861. 
Altar, Griffiths 6890, 6905. 
CurmuanuA: Chihuahua, mesa, /itehcock 7782; hills and plains, Pringle 490. 
Presidio del Norte, Parry in 1852. 
Duranco: Torre6n, rocky hill, Hitchcock 7538. Durango, open gravelly place, 
base of hill, Hitchcock 7620; Griffiths 9861; hillsides, Palmer 714 in 1896. 
Tlahualilo, barren hills, Pitter 470. 
CoanumLa: Jimulco, plains, Pringle 11216; valley of Jimulco, Pringle 13626, 
Saltillo, low places in mesas, Palmer 400 and 401 in 1898, 1356 in 1880. 
AGUASCALIENTES: Aguascalientes, rocky sterile hill, Hitchcock 7469. 
San Luis Potosi: San Luis Potosf, dry ditch, [Hitchcock 5660; Parry &° Palmer 
946 in 1878; Schaffner 181, 183, 185. 
QuERETARO: Querétaro, alfalfa field, Hitchcock 5809, 
Hipateo: Dublan, Griffiths 8116. 
Freperat District: Bourgeau 667. 
Pursua: Tehuacan, open dry ground, Hitchcock 6077. 
Oaxaca: San Antonio Valley, Smith 957. Oaxaca, along track near Ignacio 
Mejia, Hitchcock 6116. Tomellin, rocky hill, Hitchcock 6235; Lose, Painter 
& Rose 10078. 
4. Bouteloua arenosa Vasey, U.S. Dept. Agr. Div. Bot. Bull. 12!: pl. 34, 1890. 
Type locality, ‘“‘Guaymas on the Gulf of California.” 
RANGE: Southwestern United States and northwestern Mexico. 
HERBARIUM SPECIMENS FROM MEXICco: 
Lower CALirorNIA: Without locality, Orcutt in 1889. 
Sonora: Guaymas, Palmer 189 in 1887. Hermosillo, dry soil, Hitchcock 3534. 
5. Bouteloua alamosana Vasey, Contr. U. 8. Nat. Herb. 1: 115, 1891, 
Type locality, ‘‘ Alamos.”’ 
Rance: Sonora and the Pacific slope of Central America. 
HERBARIUM SPECIMEN FROM MExIco: 
Sonora: Alamos, Palmer 698 in 1890. ° 
6. Bouteloua eriopoda (Torr.) Torr. U. 8. Rep. Expl. Miss. Pacif, 4: 155. 1896. 
Chondrosium eriopodum Torr. in Emory, Mil. Reconn. 154, 1848. 
Type locality, ““ New Mexico.”’ 
Rance: Texas to Arizona and Chihuahua. 
HERBARIUM SPECIMENS FROM MEXICO: 
Curmuanua: Chihuahua, rocky hill, Hitchcock 7794; dry gravelly soil, hills and 
plains, Pringle 411. Santa Eulalia Plains, Wilkinson 348, 
