932 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Rance: Along ditches and in wet places, southern United States to West Indies 
and South America; also in the Old World. 
HERBARIUM SPECIMENS FROM MEXICO: 
Lower Catirornia: Santa Agueda, Palmer 214 in 1890. 
Sonora: Yaqui River, Palmer 16 in 1869. Guaymas, Palmer 693 in 1887. Her- 
mosillo, along ditch, Hitchcock 3575; wet sand, bed of river, Hitchcock 3615, 
3616. 
Curnuanua: Galleana, banks of Rfo de Galleana, Hartman 659. Mifiaca, dry 
run, Hitchcock 7735. 
Duranao: Torreén, along ditch, Hitchcock 7561. Durango, about ponds and 
water courses, Palmer 192 in 1896; in water of ditch, Hitchcock 7568. 
CoaHuILa: Saltillo, along irrigation ditch, Hitchcock 5587, 5588, 5602; wet waste 
and cultivated ground, Palmer 259 and 391 in 1898. 
Nuevo Le6n: Monterey, rocky river bed, Hitchcock 5522; mud bank along river, 
Hitchcock 5552; irrigation ditch, Hitchcock 5575. 
Zacatecas: Zacatecas, along dry river bed, Hitchcock 7528. 
AGUASCALIENTES: Aguascalientes, ditch, Hitchcock 7481. 
San Luis Porosi: C4rdenas, water of irrigation ditch, Hitchcock 5743, 5748. Sen 
Luis Potosf, irrigation ditch, Hitchcock 5683; Schaffner 1071. 
Jauisco: Guadalajara, Palmer 243 in 1886; ditch on road to Barranca de Oblatos, 
Hitchcock 7311. Orozco, margin of large pond, Hitchcock 7378. Zapotlan, 
railway right of way, Hitchcock 7127. 
Guanajuato: Irapuato, moist sandy-clay plain, Hitchcock 7415. Acdmbaro, along 
ditch, Hitchcock 6944. 
QUERETARO: Querétaro, irrigation ditch, Hitchcock 5837, 5815. 
Hipaiao: Pachuca, sandy river bed, Hitchcock 6768. 
MicuoacAn: Morelia, Arséne in 1909. 
Mexico: Toluca, along ditch, Hitchcock 6910. Federal District, along ditch, 
Hitchcock 5884; Pringle 6780; Bourgeau 532. 
Pursia: Rancho Posados, Nicolas in 1910. Tehuacdn, along ditch, Hitchcock 
6044, 6066. Chalchicomula, along ditch, Hitchcock 6291. Mount Orizaba, 
Seaton 61. 
Veracruz: Orizaba, roadside ditch, Hitchcock 6312, 6314. Jalapa, along railway 
through jungle, Hitchcock 6647, 6652. Veracruz, low prairie, Hitchcock 6561. 
Cérdoba, weed along track, Hitchcock 6400. 
MoreELos: Cuernavaca, moist soil, Hitchcock 6844. 
Oaxaca: Between Tule and Oaxaca, in water of ditch, Hitchcock 6168, 6173. 
Tomellin, along ditch, Hitchcock 6225. 
10. Paspalum conjugatum Berg. Act. Helv. Phys.-Math. 7: 129. 1762. 
Type locality, ‘‘in Surinamo.”’ 
RanGE: Tropics and subtropics of both hemispheres. 
HERBARIUM SPECIMENS FROM Mexico: 
TaMAuLiPas: Victoria, Palmer 419 in 1907. 
San Lurs Potosi: Las Candas, wet soil, Pringle 3129. 
Jauisco: Tequila, Palmer 367 in 1886. 
Cotma: Colima, Palmer 1272 in 1891, 16 in 1897. Manzanillo, weed in pasture, 
Hitchcock 7030. Paso del Rio, Hmrick 193. 
MicHoachn: Coahuayutla, Emrick 48. 
VERACRUZ: Orizaba, roadside ditch, Hitchcock 6318; Botteri; Bourgeau 2792. San- 
born, Orcutt 3248. Cérdoba, Kerber 49; weed, Hitchcock 6407. Jalapa, among 
shrubs along railway, Hitchcock 6609. Mirador, Liebmann 160. Zacuapan, 
open forests, Purpus 2158. Pital, Liebmann 158. 
