HITCHCOCK—MEXICAN GRASSES, 305 
HERBARIUM SPECIMENS FROM MeExico—Continued. 
AGUASCALIENTES: Aguascalientes, sterile rocky hill; Hitchcock 7463. 
San Luis Portost: San Luis Potosi, edge of field, Hitchcock 5676; Schaffner 150; 
Parry & Palmer 939 in 1878. 
Jaxisco: Guadalajara, Palmer 459 in 1886. 
QuERETARO: Between San Juan del Rfo and Cadereyta, Rose, Painter & Rose 
9695, 
Hiate@o: Pachuca, rocky hill, Hitchcock 6702. El Salto, limestone hills, Pringle 
9571. Mount Ixmiquilpan, Purpus 5065. 
México: Popo Park, open ground, Hitchcock 6017. Zap&n, Bourgeau 442. Fed- 
eral District, open ground, Hitchcock 5933, 5903; Orcutt 3677, 4308. 
Pues: Chalchicomula, Rose & Hay 5801; rocky hill, Hitchcock 6283. Tehuacd4n, 
Rose & Hay, 5821; dry limestone ledges, Pringle 6689. Esperanza, barren 
hills, Pittier 420; rocky hill, Hitchcock 6478. San Marcos, railway embank- 
ment, Hitchcock 6535, 6514. 
la. Lycurus phleoides glaucifolius Beal, Grasses N. Amer. 2: 271. 1896. 
Type locality, ‘‘Mexico,’’ the type specimen collected in Chihuahua by Pringle 
(no. 426). 
RancGE: Highlands of northern Mexico. 
HERBARIUM SPECIMENS: 
CurauAHuA: Hills near Chihuahua, Pringle 426. 
Duranao: Edge of water hole, Palmer 831 in 1896. 
2. Lycurus phalaroides H. B. K. Nov. Gen. & Sp. 1: 142. 1816. 
Muhlenbergia lycuroides Vasey; Beal, Grasses N. Amer. 2: 239, 1896. 
Lycurus brevifolius Scribn.; Beal, Grasses N. Amer. 2: 271. 1896. 
Type locality, ‘‘in montanis regni Mechoacanensis juxta Valladolid, Alberca de 
Palangeo et Patzcuaro,’’ Mexico. 
RanGeE: Northern Mexico to South America. 
HERBARIUM SPECIMENS FROM MEXICO: 
Lower CALIFoRNIA: Sierra de la Laguna, Brandegee in 1893. 
CHIHUAHUA: Southwestern Chihuahua, Palmer 2 in 1885. 
Duranco: Tepehuanes, Palmer 260 in 1906. 
ZacATECAS: Hacienda de Cedros, foothills, Lloyd 179. 
Jauisco: Guadalajara, plains, Pringle 2470; prairie near San Pedro, Hitchcock 
7307; Palmer 489 in 1886. Zapotldn, rocky hill, Hitchcock 7248, 7259. 
Hrpatao: Sierra de Pachuca, Rose, Painter & Rose 8800. 
MicHoacdn: Morelia, Arséne in 1909. Urudpan, prairie, Hitchcock 6967. Jacu- 
aro, along railway, Hitchcock 7006. 
Mexico: Toluca, rocky hill, Hitchcock 6893. Federal District, dry soil, Pringle 
6576. 
Puesia: Mount Orizaba, rocky slopes, Seaton 249. 
VERACRUZ: Orizaba, Botteri 680. 
Curapas: San Cristébal, Nelson 3228. 
66. PEREILEMA Presl, Rel. Haenk. 1: 233. pl. 37. f. a. 1830. 
KEY TO THE SPECIES. 
Bristles scabrous; clusters oblong or linear, approximate; long awns 
numerous and often flexuous.............-.2.........-2-0---- 1. P. crinitum. 
Bristles plumose; inflorescence of several globose clusters, distant at 
base; long awns few......--...--.--- 2. eee eee eee eee eee eee 2. P. ciliatum. 
1. Pereilema crinitum Presl, Rel. Haenk. 1: 233. pl. $7. f. a. 1830. 
Type locality, ‘‘Panama.”’ 
RANGE: Northwestern Mexico to South America. 
