HITCHCOCK—-MEXICAN GRASSES. 277 
HERBARIUM SPECIMENS FROM Mexico—Continued. 
Couma: Manzanillo, Palmer 1091 in 1890; Orcutt 4463, rocky cliff, Hitchcock 7038. 
Alzada, Orcutt 4633. 
Puesta: Tehuacdn, cactus hill, Hitchcock 6093, 6094. Rio de San Francisco, 
Purpus 4217, 4219. 
Veracruz: Camarén, Rose & Rose 11453. 
Moretos: Cuernavaca, rocky hill, Hitchcock 6831, 6872; in barranca, Kose, 
Painter & Rose 10227, Pringle 6496. 
Guerrero: Balsas, rocky hill, Hitchcock 6785; in gravel along railway, Hitch- 
cock 6798. 
Oaxaca: Oaxaca, hills, Pringle 4857; rocky hill, Hitchcock 6137, 6142, 6151, 6161; 
side of sterile rocky hill among cactus, Hitchcock 6100. Tomellin, on rocks 
along track, Hitchcock 6219; rocky hill, EMtchcock 6203. 
YucatAn: Izamal, Gawmer 1024. 
5. Aristida tuberculosa Nutt. Gen. Pl. 1: 57. 1818. 
Type locality, ‘‘in the sandy pine forests of Georgia, a few miles from Augusta.’ 
Rance: Throughout eastern United States, and in Puebla, Mexico. 
HERBARIUM SPECIMEN FROM MEXICO: 
Puesta: Puebla, dry hills, Nicolas in 1908. 
6. Aristida californica Thurb. in S. Wats. Bot. Calif, 2: 289. 1880. 
Type locality, California, the original specimens cited being ‘Colorado Desert 
(Schott); Fort Mohave, Cooper.”’ 
Rance: Southern California and Arizona and northern Mexico. 
HERBARIUM SPECIMENS FROM MEXICO: 
Lower CALIFoRNIA: Los Angeles Bay, Palmer 501 in 1887. Socorro, Orcutt 1443, 
1444. San José del Cabo, Brandegee in 1889, in 1890, in 1893; Purpus 311, 
Lagoon Head, Palmer 654 in 1889. Santo Domingo, Orcutt in 1899. Calmallf, 
plains, Purpus 63; Orcutt in 1899. La Paz, Palmer 129 in 1890. 
Sonora: Guaymas, Palmer 501 in 1887. MacDougal Pass, Pinacate Mountains. 
MacDougal 32. 
”. Aristida bromoides H.B.K. Nov. Gen. & Sp. 1: 122. 1816. 
Type locality, ‘‘in montanis regni Quitensis juxta Tambo de Guamote et Llanos de 
Tiocaxes.’’ 
RANGE: Southwestern United States to South America. 
HERBARIUM SPECIMENS FROM MEXICO: 
Lower CaLirorniA: Calmallf, plains, Purpus 231; Orcutt in 1899. Carmen Island, 
Palmer 858 in 1890. Santa Gertrudis, Orcutt in 1899. Indian Wells, gravelly 
mesas, Orcutt 2033. Volcdn de las Tres Virgenes, Orcutt in 1899. San José 
del Cabo, Brandegee in 1890. San Julio, Brandegee in 1889. Sierra de San 
Francisquito, Brandegee in 1899. La Paz, Palmer in 1890. Lagoon Head, 
Palmer 651 in 1889. Los Angeles Bay, Palmer 503 and 504 in 1887. Cedros 
Island, Palmer 665 in 1889. Guadalupe Island, Palmer 669 and 675 in 1889. 
Santa Rosalia, Palmer 270 in 1890. Signal Mountain, Schoenfeldt 2951. 
Sonora: Guadalupe Canyon, Merton 2033. Yaqui River, Palmer 2 in 1869. 
Alamos, along an arroyo, Rose, Standley & Russell 12699. Guaymas, Palmer 
273 in 1890, 66, 503, and 504 in 1887; rocky soil, Hitchcock 3555; Maltby 197. 
Hermosillo, dry soil, Hitchcock 3540; meadow near river, Hitchcock 3589. 
Llano, along railway, Hitchcock 3529. Quitovaquito, MacDougal in 1907. 
Curmuanva: Chihuahua, rocky hills, Pringle 390; Hitchcock 7796. Mifiaca, rocky 
hill by dry run, Hitchcock 7755. Sierra en Media, Nelson 6466. Between 
Casas Grandes and Sabinal, Nelson 6369. 
Srvaoa: Fuerte, dry hills, Rose, Standley & Russell 13521. Topolobampo, Rose, 
Standley & Russell 13269. 
