HITCHCOCK—-MEXICAN GRASSES. 349 
HERBARIUM SPECIMENS FROM Mexico—Continued. 
3591; rocky cliff, Hitchcock 3606; along railway and ditch, Hitchcock 3543. 
Guaymas, moist clay, rocky hill, Hitchcock 3550; rocky lava hill, Hitchcock 
3559; open gravelly: place, Hitchcock 3565; weed in park, Hitchcock 3569; 
Palmer 50 and 694 in 1887. Imeris to Santa Ana, Griffiths 6836, 6854. Loquka 
Ranch to Altar, Griffiths 6893, 6908. Papago Tanks, Pinacate Mountains, 
MacDougal 49. 
CarauanHuA: Paso del Norte, Pringle 1161. Southwestern Chihuahua, Palmer 
117 in 1885. 
SrnaLoa: Headwaters of Mazatlaén River, Wright 1316. Culiacan, in shade of 
bushes along river banks, Palmer 1551 and 1546 in 1891; Brandegee in 1904. 
Rosario, Rose 1542. Topolobampo, Palmer 248 in 1897. 
Coanuita: Monclova, Palmer 1364 in 1880. 
Nuevo Leon: Monterey, cornfield, Hitchcock 5554. 
TamMauLipas: Victoria, Palmer 472 in 1907. 
Teric: Acaponeta, moist ravine, Rose, Standley & Russell 14249. 
San Luts Potosi: Rascén, Purpus 5428. 
Jatisco: Guadalajara, weed along trail down Barranca de Oblatos, Hitchcock 7356. 
Cotmma: Colima, shady garden, Palmer 22 in 1897. Manzanillo, open place on 
wooded hill, Hitchcock 7039; Orcutt 4478. Jala, along railway, Hitchcock 7014. 
PuesB.a: Hacienda Noria, Nicolas in 1910. 
More os: Santa Fé, Orcutt 4371. 
GuERRERO: Balsas, gravel along railway, Hitchcock 6777; Rio Balsas, Orcutt 4193. 
Canyon de la Mano Negra, near Iguala, Rose, Painter & Rose 9389. Las 
Amates, near railway, Hitchcock 6694. 
Oaxaca: Tomellin, rocky hill, Hitchcock 6207; weed in cornfield, Hitchcock 6244. 
Yucatdn: Mérida, Schott 590, 739. 
2. Leptochloa virgata (L.) Beauv. Ess. Agrost. 166. 1812. 
Cynosurus virgatus L. Syst. Nat. ed. 10. 876. 1759. 
Type locality, Jamaica. 
RanaeE: West Indies and Mexico to South America. 
HERBARIUM SPECIMENS FROM MEXICO: 
Tamau.ipas: Tampico, Palmer 146 in 1910. 
Veracruz: Cérdoba, Fink in 1893. Sanborn, Orcutt 3240. Jicaltepec, Lieb- 
mann 252. Colipa, Liebmann 251. 
Oaxaca: San Gerdénimo, Nelson 2768. Pluma, Nelson 2483. 
3. Leptochloa domingensis (Jacq.) Trin. Fund. Agrost. 133. 1820. 
Cynosurus domingensis Jacq. Misc. 2: 363. 1781. 
Type locality not given, presumably Santo Domingo. 
Rance: Gulf Coast of the United States to eastern Mexico and the West Indies. 
HERBARIUM SPECIMENS FROM MEXICO: 
TAMAULIPAS: Victoria, Palmer 394 in 1907. 
Taxpasco: San Juan Bautista, Rovirosa 691. 
4. Leptochloa viscida (Scribn.) Beal, Grasses N. Amer. 2: 434. 1896. 
Diplachne viscida Scribn. Bull. Torrey Club 10: 30. 1883. 
Type locality, ‘‘Santa Cruz Valley, near Tucson, Arizona.”’ 
Rance: New Mexico and Arizona to Sinaloa. 
HERBARIUM SPECIMENS FROM MEXICO: 
Lower CaALirorniA: San Jorge, Brandegee 5 in 1889. 
Sonora: Alamos, Palmer 748 and 748} in 1890. Guaymas, Palmer 692 in 1887. 
Imeris to Santa Ana, Griffiths 6859. Guarorchi, along railway ditch, [Hitch- 
cock 3531. Hermosillo, sandy bed of run, Hitchcock 3612, 
