332 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
HERBARIUM SPECIMENS—Continued. 
GuanasuaTo: Acdmbaro, along railway, Hitchcock 6934. Irapuato, moist, sandy- 
clay plain, Hitchcock 7411. 
QUERETARO: Querétaro, edge of field, Hitchcock 5818. 
Hipae@o: Ixmiquilpan, river banks, Rose, Painter & Rose 9058. Pachuca, along 
road, Hitchcock 6748. 
México: Valley of Mexico, Pringle 9569, Schumann 1711. Tlalnepantla, Rose, 
Painter & Rose 8386. Toluca, rocky hill, Hitchcock 6906. Federal District, 
Bourgeau 494, Holway 13; along trolley, Hitchcock 5878; Orcutt 3690. 
Pursia: Esperanza, along railway, Hitchcock 6468; roadsides, Purpus 2896. 
San Marcos, along railway embankment, Hitchcock 6505. Tehuacdn, along 
railway, Hitchcock 6056. Chalchicomula, along railway, Hitcheock 6305. 
Along the Atoyac, Nicolas in 1910. 
3. Chloris cucullata Bisch. Ann. Sci. Nat. III. Bot. 19: 357. 1853. 
Type locality, ‘‘Mexico boreali * * * Tamaulipas prope Matimoros.” 
Rance: Southwestern United States and northern Mexico. 
HERBARIUM SPECIMENS FROM MExIco: 
Nuevo Lr6n: Monterey, edge of field, Hitchcock 5524; along ditch, Hitchcock 5578. 
Tamautipas: Victoria, Palmer 398 in 1907. 
4. Chloris ciliata Swartz, Prodr. Veg. Ind. Occ. 95. 1788. 
Type locality, ‘‘Jamaica.”’ 
Ranae: Texas to South America. 
HERBARIUM SPECIMENS FROM MExico: 
Nuevo Leon: Monterey, edge of field, Hitchcock 5530, 5550. 
TAMAULIPAS: Victoria, Palmer 550 in 1907. Tampico, along street, Hitchcock 5790. 
San Luis Potosi: Cardenas, along railway, Hitchcock 5734. 
Oaxaca: Tomellin, along railway track, Hitchcock 6220. 
5. Chloris paraguayensis Steud. Syn. Pl. Glum. 1: 204. 1854. 
Type locality, ‘‘Paraguay.”’ 
RanGe: Northern Mexico and the West Indies to South America, 
HERBARIUM SPECIMENS FROM Mexico: 
Tamau.ipas: Tampico, Palmer 148 in 1910; common weed along railway, Hitch- 
cock 5784. 
6. Chloris elegans H. B. K. Noy. Gen. & Sp. 1: 166. pl. 49. 1816. 
Type locality, ‘‘inter Mexico et Queretaro.” 
RanaeE: Southwestern United States to South America. 
HERBARIUM SPECIMENS FROM MEXxIco: 
Lower Catirornia: San José del Cabo, Brandegee 39 in 1899, Purpus 315. Near 
Los Angeles Bay, Palmer 506 in 1887. 
Sonora: Llano, along track, Hitchcock 3525. Hermosillo, along ditch, Hitchcock 
3538; meadow near river, Hitchcock 3592; rocky cliff, Hitchcock 3605; sandy 
bed of river, Hitchcock 3619. Imeris to Santa Ana via Magdalena, Griffiths 
6835. Loquka Ranch to Altar, Griffiths 6900. Nogales, along railway, Hitch- 
cock 3636. 
CumauanHuA: Valley near Chihuahua, Pringle 474. Southwestern Chihuahua, 
Palmer 118 in 1885. Santa Eulalia Plains, Wilkinson in 1885. SAnchez, 
along railway, Hitchcock 7688. Between Casas Grandes and Sabinal, Nelson 
6354. 
Stnaioa: Topolobampo, open bottom land, among cactus, Palmer 245 in 1897. 
Durango: Durango, along road, Hitchcock 7582; in shade, moist bottoms and along 
ditches, Palmer 176 in 1896; abundant on hillsides and plains, Palmer 765 in 
1896. Tlahualilo, barren hills, Pittier 477. Torreén, weed in field, Hitchcock 
7564; rocky hill, Hitchcock 7545, 
