HITCHCOCK—MEXICAN GRASSES. 319 
. fine; naked portion of 
lower branches of panicle 
long and capillary, spike- 
let-bearing toward the 
extremities.............. 7. A. hiemalis. 
Plants tall and slender, bearing 
short rhizomes; branches 
of panicle shorter... .... 7a. A, hiemalis subrepens. 
1. Agrostis stolonifera L. Sp. Pl. 62. 1753. 
Agrostis verticillata Vill. Prosp. Pl. Dauph. 16. 1779. 
Type locality given as ‘‘in Europa.”’ 
RanGE: Southwestern United States to South America, and warmer parts of the Old 
World. 
HERBARIUM SPECIMENS FROM MEXIco: 
Lower Catirornia: Maleje, Gulf of California, Palmer 41 in 1887. Santa Agueda, 
Palmer 221 in 1890. Nachognero Valley, Schoenfeldt 3478. Cedros Island, 
Palmer 666 in 1889. 
CHIHUAHUA: Chihuahua, Palmer 29 and 160 in 1908. 
Duranco: Durango, beside pond, Hitchcock 7571; along water courses, some- 
times in shallow water, Palmer 179 in 1896. Nombre de Dios, along ditches 
and streams, Palmer 95 in 1896. 
CoanuILa: Saltillo, Palmer 527 in 1905; wet places along ditches, Palmer 806 in 
1898; by wet irrigation ditch, Hitchcock 5598. 
Nuevo L&on: Monterey, along irrigation ditch, Hitchcock 5577. 
ZacaTEcAs: Zacatecas, moist spot along dry river bed, Hitchcock 7529. 
San Luis Potosf: Cardenas, irrigation ditch, Hitchcock 5741. 
Jauisco: Guadalajara, Palmer 230 in 1886. 
GuanasuaTo: Leén, Hartweg. 247. 
QUERETARO: Querétaro, along irrigation ditch, Hitchcock 5824. 
Hipareo: Ixmiquilpan, river bank, Rose, Painter & Rose 9063. Pachuca, sandy 
river bed, Titchcock 6767. 
Micnwoacdn: Morelia, Arséne 3316. 
Mexico: Valley of Mexico, Pringle 9596. Toluca, along ditch, Hitchcock 6915. 
Federal District, along ditch, Hitchcock 5881; Bourgeau 224. 
Puesia: Mount Orizaba, Seaton 192. Tehuacdn, along ditch, Hitchcock 6040. 
Chalchicomula, Nelson 248. Puebla, Nicolas in 1909. 
VERACRUZ: Orizaba, roadside ditch, Hitchcock 6335. 
Oaxaca: San Pedro Nolasco, Galeottt 5855, 5884, 5885. Valley of Oaxaca, Nel- 
son 1305. Along ditch between Tule and Oaxaca, Hitchcock 6180. 
2. Agrostis rosei Scribn. & Merr. U. 8. Dept. Agr. Div. Agrost. Bull. 24: 21. f. 5. 
1901. 
Type locality, ‘Sierra Madre Mountains, State of Zacatecas,’’ the type specimen 
collected by Rose (no. 2373). 
RanGeE: Known only from the type collection. 
3. Agrostis schiedeana Trin. Mém. Acad. St. Pétersb. VI. Sci. Nat. 41: 327. 1841. 
Type locality, ‘‘Mexico.”’ 
RANGE: British Columbia to southern Mexico. 
HERBARIUM SPECIMENS FROM MEXIco: 
Duranao: Durango, low wet places in alkaline bottoms, Palmer 190 in 1896. 
México: Sierra de las Cruces, wet banks, Pringle 4485. Federal District, pas- 
ture, Hitcheock 5298; along irrigation ditch in or near the water, Hitchcock 
5900, 5915, 5920, 59273; swamps, Pringle 11209, 
81544°—13——10 
