“4 
HITCHCOCK—MEXICAN GRASSES. 383 
7. Bromus carinatus Hook. & Arn. Bot. Beechey Voy. Suppl. 403. 1841. 
Type locality, California. 
RANGE: Pacific slope, Washington to Lower California. 
HERBARIUM SPECIMENS FROM MEXICO: 
Lower Cauirornia: Guadalupe Ranch, Orcutt in 1886. Nachognero Valley, 
Schoenfeldt 3444, Mearns 3481. San Julio Canyon, Brandegee 17 in 1889. 
Potrero Valley, Orcutt in 1889. Todos Santos Bay, Fish in 1882. 
123. BRACHYPODIUM Beauv. Ess. Agrost. 100, 155. pl. 19, f. 8. 1812. 
KEY TO THE SPECIES. 
Lemmas awnless............2-.--02.0 200000 e cece cece ee eee cece. 1. B. pringlet. 
Lemmas awned.......... 2.2... 20.00 eee eee eee ee eee eee 2. B. mexicanum, 
1. Brachypodium pringlei Scribn.; Beal, Grasses N. Amer. 2: 627. 1896. 
Type locality, “‘Mexico * * * moist banks [in the Sierra Madre] near Mon- 
terey,”’ the type specimen collected by Pringle (no, 2525). 
Rance: Known only from the type collection. 
2. Brachypodium mexicanum (Roem. & Schult.) Link, Hort. Berol. 1: 41. 1833. 
Festuca mexicana Roem. & Schult. Syst. Veg. 2: 732. 1817. 
Type locality, ‘‘in Imperio Mexicano.” 
RanGE: Highlands of Mexico to Colombia. 
HERBARIUM SPECIMENS: 
Lower Ca.irornia: Sierra de la Laguna, Brandegee in 1899. 
San Luts Potosf: San Luis Potosf, Schaffner 128. Alvarez, Palmer 166 in 1904. 
Jatisco: Nevado de Colima, in timber, Hitchcock 7148. Ravines of mountains 
near Lake Chapala, Pringle 6198. 
Hripateo: Pachuca, rocky hill, open ground, Hitchcock 6703; among shrubs, rocky 
Hill, Hitchcock 6719, 6739. 
Microacdn: Paétzcuaro, mountains, Pringle in 1891. 
Mexico: Tres Marfas, Orcutt 3738. Popo Park, shady mossy bank, Hitchcock 5962, 
5967. Sierra de las Cruces, Pringle 4231. Popocatepetl, bank of deep cut, 
EMitchcock 5977; shady bank, Hitchcock 6007, 6008. Iztaccihuatl, sunny hill- 
sides, Purpus 1640. Toluca, rocky hill, Hitchcock 6900. Federal District, 
shady rich moist soil, Hitchcock 5930; Pringle 9607. 
Pues: Teziutlan, Orcutt 4005. Chalchicomula, rocky hill, Hitchcock 6284. 
Chinantla, Liebmann 556. Mount Orizaba, Liebmann 562. Esperanza, 
along railway, Hitchcock 6504; barren hills, Pittier 421. 
Oaxaca: Cumbre de Estepec, Liebmann 558. 
124. LOLIUM L. Sp. Pl. 83. 1753. 
RYE GRASS. 
KEY TO THE SPECIES. 
Spikelets awnless...... 2.222.222.0222 e eee eee cece cece eee 1. L. perenne. 
Spikelets awned..... 2.2.2.2... 222i eee cee eee ee ee eee 2. L. multiflorum. 
1. Lolium perenne L. Sp. Pl. 83. 1753. 
Type locality, ‘‘in Europa.”’ 
RanaE: Introduced from Europe in the United States, adventive in Mexico. 
HERBARIUM SPECIMENS FROM MEXxIco: 
Sonora: Guaymas, Palmer 52 in 1887. 
2. Lolium multiflorum Lam. FI. Frang. 8: 621. 1778. 
Type locality, ‘‘environs de Péronne,’’ France. 
81544°—13——14 
