340 CONTRIFUTIONS FROM THE NATIONAT HERBARIUM. 
HERBARIUM SPECIMENS: 
Lower CarrrorniA: San Francisquito Mountains, Brandegee 30 in 1890, Brandegee 
in 1899. El Taste, Brandegee in 1902. 
AGUASCALIENTES: Aguascalientes, sterile rocky hill, Hitchcock 7464; Griffiths 
9849, 
Jatisco: Rio Blanco, Palmer 201 in 1886. Guadalajara, prairie near San Pedro, 
EMitchcock 7273. San Nicolas, sterile clay hill, Hitchcock 7214. El Llego, 
Griffiths in 1909. , 
Oaxaca: Oaxaca, rocky hill, Hitchcock 6135. Valley of Oaxaca, Nelson 1259, 
Curapas: Roadside between Tuxtla and San Cristébal, Nelson 3121. 
11. Bouteloua parryi (Fourn.) Griffiths, Contr. U. S. Nat. Herb. 14: 381. 1912. 
Chondrosium parryi Fourn. Mex. Pl. 2: 150. 1886. 
Type locality, ‘Circa San Luis de Potosi.’ 
Rance: Southwestern United States to central Mexico. 
HERBARIUM SPECIMENS FROM MEXICO: 
CHIHUAHUA: Santa Eulalia Mountains, Wilkinson in 1885. Chihuahua, sandy 
alluvium of streams, rocky hills, Pringle 413. 
Durango: Durango, cornfield, Hitchcock 7610. 
San Luis Potosi: San Luis Potosi, Parry & Palmer 9434, Schaffner 187. 
12. Bouteloua gracilis (H. B. K.) Lag.; Steud. Nom. Bot. ed. 2. 1: 219. 1840. 
Chondrosium gracile H. B. K. Nov. Gen. & Sp. 1: 176. pl. 58. 1816. 
Type locality, ‘‘La Buffa de Guanaxuato Mexicanorum.”’ 
Rance: Manitoba to Montana and California and southward to southern Mexico. 
HERBARIUM SPECIMENS FROM Mexico: 
Sonora: San José Mountains, Mearns 1658. 
CHIHUAHUA: Mifiaca, mesa, Hitchcock 7746. Chihuahua, mesa, Hitchcock 7799; 
hills and plains, Pringle 407. Sanchez, flat, gravelly bottom of ravine, Hitch- 
cock 7716. Casas Grandes, Nelson 6330. Southwestern Chihuahua, Palmer 
24 in 1885. Near Colonia Garcfa in the Sierra Madre, Townsend &: Barber 257. 
Santa Eulalia Plains, Wilkinson in 1885. 
Duranco: Durango, dry ground, Hitchcock 7574; hillsides and plains, Palmer 545 
in 1896. 
CoaHuILa: Saltillo, low places on mesas, Palmer 399 and 403 in 1898; on hillsides 
among rocks in small tufts, Palmer 406 in 1898. Jaral, Schumann 1723. 
ZACATECAS: Zacatecas, in gulch in dry sterile hills, Hitchcock 7499. Pico de 
Teira, Lloyd 242. 
AGUASCALIENTES: Aguascalientes, Rose & Painter 7729; sterile rocky hill, Hitch- 
cock 7460. 
San Lurs Potosi: San Luis Potosi, Parry & Palmer 944 in 1878; edge of field, 
Hitchcock 5675. San Rafael, Schaffner 157. 
GUANAJUATO: Guanajuato, Dugés in 1897. 
QUERETARO: San Juan del Rfo, stony hillside, Rose, Painter & Rose 9569. 
Hipatco: Between Pachuca and Real del Monte, Rose & Painter 6710. Dublan, 
Grifiths 9809. Pachuca, rocky hill, Hitchcock 6704, 6722. 
Mexico: Toluca, prairie, Hitchcock 6917. Federal District, Bourgeau 448; along 
railway, Hitchcock 5906; Orcutt 3641. 
Pursia: San Marcos, railway embankment, Hitchcock 6510. Esperanza, dry 
open ground, Hitchcock 6465; rocky hill, Hitchcock 6483. Chalchicomula, 
rocky hill, Hitcheock*6271. Hacienda Noria, Nicolas in 1908. 
13. Bouteloua ramosa Scribn.; Vasey, U. 8. Dept. Agr. Div. Bot. Bull. 12): pl. 
44. 1890. 
Type locality, southwestern Texas. 
RANGE: Texas to central Mexico. 
