HITCHCOCK—MEXICAN GRASSES. 283 
HugrRBARIUM SPECIMENS FROM MEXICO: 
CurHvuAHuA: Parral, Schumann 1726. 
Nuevo Leon: Monterey, edge of field, Hitchcock 5545. 
ZacaTEcas: Zacatecas, rocky soil, Purpus in 1904; in gulch in dry sterile hills, 
Hitchcock 7503. 
HipauGo: Pachuca, rocky hill, Hitchcock 6744; sandy river bed, Hitchcock 6762, 
6763. 
México: Toluca, rocky hill, Hitchcock 6892. Federal District, open grassy 
ground, Hitchcock 5931; Pringle 6583. 
Pursia: Esperanza, dry open ground, Hitchcock 6463. 
7. Stipa eminens Cav. Icon. Pl. 5: 42. pl. 467. f. 1. 1799. 
Stipa flecuosa Vasey, Bull. Torrey Club 15: 49. 1888. 
Type locality, ‘‘prope oppidum mexicanum Chalma.”’ 
Rance: Highlands of Mexico. 
The species described in Flora of California! under the name S. eminens differs in 
having a very short ligule and somewhat longer awns, and may be a distinct species. 
This form is found also in Lower California on Cedros Island (Palmer 661 in 1889). 
HERBARIUM SPECIMENS FROM MEXICO: 
Lowzr CaLirornia: Guadalupe Ranch, Orcutt in 1886. 
Sonora: Fronteras, Hartman 20. 
Cummuanua: Santa Eulalia Mountains, Pringle 384, Wilkinson in 1885. 
Duranco: Durango, rocky hill, Iron Mountain, Hitchcock 7624; in the mountains, 
Palmer 523 in 1896. 
Zacatecas: Zacatecas, in gulch in dry sterile hills, Hitchcock 7524; hills, Pringle 
2043. Hacienda de Cedros, foothills, Lloyd 187, 212. 
San Luts Potosi: San Luis Potosi, in clump of bushes, Hitchcock 5671; Parry & 
Palmer 929 in 1878. 
Jauisco: Zacoalco, Bourgeau 669. 
QuERETARO: San Juan del Rio, Rose, Painter & Rose 9581. 
Hmatuco: Pachuca, rocky hill, Hitchcock 6700, 6742. Sierra de la Mesa, Rose, 
Painter & Rose 9099. Tula, limestone hills, Rose, Painter & Rose 8362. 
Mzxico: Rio Hondo, hillsides, Pringle 6228. Federal District, Pringle 9564. 
Near Chapultepec Castle, Hitchcock 7837. 
Pursia: Esperanza, barren hills, Pittier 443; rocky hill, Hitchcock 6486. Tehua- 
can, dry limestone hills, Pringle 6766; dry cactus soil among agaves, Hitch- 
cock 6079. Chalchicomula, rocky hill, among shrubs, Hitchcock 6274. 
8. Stipa pringlei (Beal) Scribn. in Vasey, Contr. U. 8. Nat. Herb. 3: 54. 1892. 
Oryzopsis pringlet Beal, Bot. Gaz. 15: 112. 1890. 
Type locality, ‘‘Chihuahua, Mexico,” the type specimen collected by Pringle in 
1887 (no. 1410). 
Ranae: Mountains of Arizona and Chihuahua. 
HERBARIUM SPECIMENS FROM MEXICO: 
CurmuaHva: Sierra Madre, dry ledges, Pringle 1410. Sanchez, rocky pine 
woods, Hitchcock 7677, 7681. 
9. Stipa mucronata H. B. K. Nov. Gen. & Sp. 1: 125. 1816. 
Type locality, ‘‘in montanis regni Mexicani, prope Actopan et vicum Magdalenae.”’ 
Ranae: Known only from the State of Mexico. 
HERBARIUM SPECIMENS: 
México: Nevado de Toluca, Rose & Painter 6434. Sierra de las Cruces, moun- 
tain meadows, Pringle 4299, 11756. Popo Park, open pine woods, Hitchcock 
6014. Popocatepetl, Rose & Hay 6035; open ground along trail, Hitchcock 
5989. 
1 Hitchcock in Jepson, Fl, Calif. 1; 105. 1912. 
