280 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
HERBARIUM SPECIMENS FROM MEx1co—Continued. 
CHIHUAHUA: Mifiaca, mesa, Hitchcock 7754. Chihuahua, hills and plains, 
Pringle 388. 
ZacaTEcas: Hacienda de Cedros, foothills, Lloyd 195. 
Pursia: Esperanza, rocky hill, Hitchcock 6492. 
Sonora: Along railway 10 miles south of Nogales, Hitchcock 3635. 
CurauaHua: Near White Water, Mearns 355. SdAnchez, along railway, Hitchcock 
7730. Chihuahua, rocky hill, Hitchcock 7785. Mifiaca, along run, Hitchcock 
7736; dry run, Hitchcock 7760, 7761. 
Duranao: Durango, in shade on lower slopes of hills, Palmer 873 in 1896; dry 
ground, Hitchcock 7577; rocky hill, Iron Mountain, Hitchcock 7642. 
Zacatecas: Zacatecas, in gulch in dry sterile hills, Hitchcock 7517, 7518. 
AGUASCALIENTES: Aguascalientes, weed, edge of field, Hitchcock 7446, 7448. 
San Luis Porost: San Luis Potosi edge of field, Hitchcock 5687; Schaffner 175. 
Jauisco: Rio Blanco, Palmer 284 and 768 in 1886. Zapotlin, railway right of 
way, Hitchcock 7112, 7119, 7145. Guadalajara, prairie, Hitchcock 7280, 7299, 
7308. 
Hipaeo: Pachuca, rocky hill, Hitchcock 6717. 
México: Toluca, rocky hill, Hitcheock 6894. Popo Park, open ground, Hitchcock 
6028. Federal District, Pringle 6408, 9576; along railway, Hitchcock 5907; 
Orcutt 3676. 
Pursia: San Marcos, railway embankment, Hitchcock 6515, 6536. Chalchi- 
comula, along dike in field, Hitchcock 6289; rocky hill, Hitchcock 6303. Es- 
peranza, rocky hill, Hitchcock 6481. 
Veracruz: Jalapa, along railway, Hitchcock 6545. 
Oaxaca: Oaxaca, rocky hill, Hitchcock 6155; along road, Hitchcock 6106. 
14. Aristida liebmanni Fourn. Mex. Pl. 2: 78. 1886. 
Type locality, ‘‘Mirador,’’ the type specimen collected by Liebmann (no. 662). 
Range: Known only from the.type collection. 
15. Aristida berlandieri (Trin. & Rupr.). 
Aristida purpurea B berlandieri Trin. & Rupr. Mém. Acad. St. Pétersb. VI. Sci. 
Nat. 3!: 107. 1842. 
Type locality, “Texas pr. Bejar,” the type specimen collected by Berlandier 
(no. 1777). 
Rance: Southwestern United States to southern Mexico. 
HERBARIUM SPECIMENS FROM MEXICO: 
Coanulta: Saltillo, rocky hill, Hitchcock 5618; low places, Palmer 265 in 1898; 
mountains, Palmer 1351 in 1880; among rocks on hillside, Palmer 392 in 1898. 
Nuevo LEON: Monterey, along railway, Hitchcock 5566. 
San Luis Porost: C4rdenas, prairie, Hitchcock 5724. Minas de San Rafael, 
Purpus 5010. 
Pursia: Tehuacdn, dry tufa bluffs, Pringle 8556; cactus hill, Hitchcock 6084. 
16. Aristida micrantha (Vasey) Nash in Small, Fl. Southeast. U. 8. 117. 1903. 
Aristida purpurea var. micrantha Vasey, Contr. U. S. Nat. Herb. 8: 47. 1892. 
Type locality, ‘‘Western Texas.’’ 
RaNGE: Southwestern United States to southern Mexico. 
HERBARIUM SPECIMENS FROM MEXICO: 
Coanumta: Saltillo, rocky hill, Hitchcock 5616. Mountains west of Saltillo, 
Palmer 1351 in 1880. 
Nuevo LrE6n: Monterey, edge of field, Hitchcock 5526, 5567. 
Tamavuipas: Victoria, Palmer 429 in 1907. 
San Luis Potost: Micos, rocky bluffs, Pringle 3790. 
YucaTAn: Mérida, Schott 601. 
