HITCHCOCK—-MEXICAN GRASSES. 217 
HERBARIUM SPECIMENS FROM Mrxico—Continued. 
AaquascalienteEs: Aguascalientes, sterile rocky hill, Hitchcock 7479. 
San Luts Potosi: San Luis Potosf, Schaffner 151; irrigated alfalfa field, Hitch- 
cock 5695; Parry & Palmer 952. 
QUERETARO: Querétaro, open ground on hill, Hitchcock 5826. 
Hipauao: Pachuca, sandy river bed, Hitchcock 6757. 
Puesta: San Marcos, railroad fill, Hitchcock 6509. Tultitlanapa, Purpus 3586. 
Oaxaca: Tomellin, rocky hill, Hitchcock 6216; Rose, Painter & Rose 10079, 
Oaxaca, weed along railroad, Hitchcock 6124; Conzatti 2014; Conzatti & Gon- 
2dlez 343; Nelson 1278. 
23. SCHAFFNERELLA Nash, N. Amer. Fl. 17: 141. 1912. 
1. Schaffnerella gracilis (Benth.) Nash, N. Amer, Fl. 17: 141. 1912. 
Schaffnera gracilis Benth. in Hook. Icon. Pl. 14: 59. pl. 1878. 1882. 
Type locality, ‘‘Mexico; mountains of San Miguelita, in the valley of San Luis 
Potosi,” the type specimen collected by Schaffner (no. 134). 
RanGE: Known only from the type collection. 
24. FOURNIERA Scribn. U. 8. Dept. Agr. Div. Agrost. Bull. 4: 7. f. 1, 2. 1897. 
1. Fourniera mexicana Scribn. U.S. Dept. Agr. Div. Agrost. Bull. 4: 8./. 7, 2. 1897. 
Type locality, “in a deep cut in the mountains near Acapulco, Mexico,” the type 
specimens ‘‘growing in loose, gravelly soil,” collected by Palmer, October, 1894. 
Rance: Southern Mexico and Central America. 
HERBARIUM SPECIMENS FROM Mexico: 
}UERRERO: Acapulco, Palmer 41 and 43 in 1894. 
25. ARUNDINELLA Raddi, Agrost. Bras. 36. pl. 1. f. 8. 1823. 
KEY TO THE SPECIES. 
Awn tightly twisted below... ...-...------+-e-2- 22-2 eee eter teee 1. A. palmeri, 
Awn straight or only loosely twisted below. 
Blades broad and flat, 1 to 2 em. wide; plants robust, 1.5 to 2 
meters tall; sheaths appressed-villous . ....-....-------- 2. A. deppeana. 
Blades narrow and more or less folded or convolute; plants slen- 
der, mostly less than 1 meter high; sheaths smooth ...... 3. A. peruviana, 
1. Arundinella palmeri Vasey in Beal, Grasses N. Amer. 2: 76. 1896. 
Type locality, ‘‘Mexico, Palmer 12” in 1886. 
RanGE: Central and southern Mexico. 
HERBARIUM SPECIMENS: 
Trric: Tepic, low land in cornfield, Palmer 1915 in 1892. 
Jauisco: Guadalajara, Palmer 525 in 1886; wet places, barranca, Pringle 11213; 
by brooks of barranca, Pringle 1746; along stream, side of Barranca de Oblatos, 
Hitchcock 7353. Rio Blanco, Palmer 526 in 1886. 
Veracruz: Mirador, Liebmann 622, 635. 
JUERRERO: Acapulco, Palmer 434 in 1895. 
2. Arundinella deppeana Nees in Steud. Syn. Pl. Glum. 1: 115. 1804. 
Type locality, ‘‘Ad fluv. Misantla, Mexico.”’ 
Rane@e: American tropics. 
HERBARIUM SPECIMENS FROM MEXICO: 
Trrtc: Tepic, river banks and canyons, Palmer 1920 in 1892. 
Cotma: Colima, Palmer 1264 in 1891. 
Micuoac4n: Sierra Madre, Langlassé 608. 
