222 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
HERBARIUM SPECIMENS FROM Mexico—Continued. 
14166. Rosario, along river, Rose 1541, Rose, Standley & Russell 14586. 
Culiacin, Rose, Standley & Russell 14972. 
Duraneao: Durango, in fields and along fences, Palmer 766 in 1896. Torredn, 
weed in field, Hitchcock 7556. 
Coanuiia: Saltillo, in shaded gardens, Palmer 387 in 1898; weed along street, 
Hitchcock 5638. 
Tamautipas: Victoria, Palmer 551 in 1907. Tampico, depression in sand dunes, 
Hitchcock 5795. 
Tepic: Tepic, Palmer 1929 in 1892. Tres Marfas Islands, Marfa Magdalena, 
Maltby 158. Acaponeta, moist ravine, Rose, Standley & Russell 14269. 
San Luis Porosi: Cardenas, irrigated field, Hitchcock 5746. 
Jauisco: Guadalajara, prairie, Hitchcock 7283. San Nicolas, prairie, Hitchcock 
7186. Zapotlan, railway right of way, Hitchcock 7139. 
Guanasuato: Acdmbaro, along railway, Hitchcock 6940. Irapuato, moist sandy- 
clay plain, Hitchcock 7391. 
QUERETARO: Querétaro, weed in park, Hitchcock 5839. 
Couma: Alzada, upland prairie, Hitchcock 7068. Colima, deep ravine, Palmer 9 
and 148in 1897. Paso del Rio, Emrick 182. Manzanillo, Palmer 1082 in 1890, 
MicnHoacaNn: Morelia, Arséne in 1909, Urudpan, along road, Hitchcock 6976. 
Veracruz: Orizaba, Botteri, Bourgeaw 2636. Rio Blanco, roadside ditch, 
Mitcheock 6321. Jalapa, railway track, Hitchcock 6598. Cérdoba, waste 
places, Hitchcock 6408; Fink 6. San Sebastian, Liebmann 208. Sanborn, 
Orcutt 3244. 
MorELos: Cuernavaca, pasture, Hitchcock 6829. 
GUERRERO: Balsas, along railway, Hitchcock 6796. Acapulco, ravine, Palmer 
112 in 1894; dry river bed, 446 in 1895. 
Oaxaca: Oaxaca, along hedge, Hitchcock 6111. Valley of Oaxaca, Nelson 1275. 
Tomellin, along ditch, Hitchcock 6206; Rose, Painter & Rose 10064. 
TaBasco: San Juan Bautista, Rovirosa 20. 
Cu1apas: Valley of Jiquipilas, Nelson 2932. 
YucaTAn: Progreso, Millspaugh 1700. 
7. Syntherisma filiformis (L.) Nash, Bull. Torrey Club 22: 420. 1895. 
Panicum filiforme L. Sp. Pl. 57. 1753. 
Type locality, ‘‘Habitat in America septentrionali. Kalm.”’ 
Rance: Temperate and subtropical regions of the western hemisphere. 
HERBARIUM SPECIMENS FROM MEXICO: 
CurHuAHvA: Dry hillsides near Guerrero, Pringle 1405. 
Duraneco: Durango, in loose, clay soil, Palmer 548 in 1896. 
Jautsco: Rfo Blanco, Palmer 502 in 1886. Guadalajara, Holway 4; Palmer 502 
in 1886; prairie, Hitchcock 7265, 7286. Zapotlan, railway right of way, Hitch- 
cock 7135; rocky hill, Hitchcock 7177, 7252. La Junta, along railway, Hitch- 
cock 6998. San Nicolas, sterile clay hill, Hitchcock 7210. 
Veracruz: Totutla, Liebmann 206. 
MoreELos: Cuernavaca, along railway, Hitchcock 6864; pasture, Hitchcock 6828. 
Oaxaca: Hills of Las Sedas, dry gravelly soil, Pringle 4942. Oaxaca, rocky hill 
in clay loam, Hitchcock 6104. 
Cutapas: Tuxtla to San Cristébal, roadside, Nelson 3118. 
29. LEPTOLOMA Chase, Proc. Biol. Soc. Washington 19: 191. 1906. 
1. Leptoloma cognatum (Schult.) Chase, Proc. Biol, Soc, Washington 19: 192, 
1906. 
Panicum cognatum Schult. Mant. 2: 235. 1824. 
Type locality, ‘(Habitat in Carolina.” 
