292 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
HERBARIUM SPECIMENS FROM Mexico: 
CuruuaHuA: Batopilas, Palmer in 18865. 
Smnatoa: Lodiego, in moist shady place in rocky canyon, Palmer 1667 in 1891. 
Copradia, Brandegee in 1904. 
Jatisco: Guadalajara, moist ledges of barranca, Pringle 1745, 1775; moist banks, 
Pringle 11748; Palmer 404 and 481 in 1886. Zapotldin, rocky hill, Hitchcock 
7257. 
Cotma: Colima, Palmer 1271 in 1891; Orcutt 4571. 
MicHoacdn: Baqueta, Langlassé 494. 
Veracruz: San Francisco, Smith 1506. Cérdoba, Fink in 1893; Bourgeau 1665. 
MoreEtos: Yautepec, calcareous banks, Pringle 11232. 
7. Muhlenbergia peruviana (Beauv.) Steud. Nom. Bot. ed. 2. 1: 41. 1840. 
Clomena peruviana Beauv. Ess. Agrost. 28. 1812. 
Muhlenbergia clomena Kunth, Rév. Gram. 1: 64, 1829. 
Type locality, Peru, the specimen sent to Beauvois by Thibaut. 
Rance: Highlands, northern Mexico to South America. 
HERBARIUM SPECIMENS FROM MEXICO: 
CHIHUAHUA: Sierra Madre, porphyry ledges, Pringle 1411. Mapula Mountains, 
thin soil of summits, Pringle 824. Sdnchez, open ground in pine woods, 
Hitchcock 7663; along railway, Hitchcock 7722. 
San Luis Porosf: San Luis Potosi, Parry & Palmer 932 in 1878; Schaffner 180, 
181. 
Jatisco: Nevado de Colima, open ground, Hitchcock 7156. 
Mexico: Flor de Marfa, prairies, Pringle 3316. Nevado de Toluca, Rose & 
Painter 7925. Salto de Agua, Purpus 1620. Federal District, lava fields, 
Pringle 9065. Cuantepec, Bourgeau 1155, 
8. Muhlenbergia pusilla Steud. Syn. Pl. Glum. 1: 177. 1854. 
Type locality, ‘‘Tolucca,”’ the type specimen collected by Berlandier (no. 1141), 
RanGeE: High mountains in the State of Mexico. ‘ 
HERBARIUM SPECIMENS: 
México: Nevado de Toluca, Rose & Painter 6435. Ixtaccihuatl, rocks above 
timber line, Purpus 1621, 3780. 
This species may possibly be a depauperate form of M. peruviana. 
9. Muhlenbergia pulcherrima Scribn.; Beal, Grasses N. Amer. 2: 240. 1896. 
Type locality, ‘Mexico,’ the type specimen collected in the Sierra Madre by 
Pringle (no. 1416). 
RANGE: Mountains of northern and central Mexico. 
HERBARIUM SPECIMENS: 
CHIHUAHUA: Sierra Madre, dry ledges of porphyry, Pringle 1416. 
MoreE.os: Tres Marfas Mountains, Pringle 11743. 
10. Muhlenbergia quitensis (H. B. K.). 
Calamagrostis quitensis H. B. K. Nov. Gen. & Sp. 1: 133, 1816. 
Muhlenbergia calamagrostidea Kunth, Rév. Gram. 1: 63. 1829. 
Type locality, ‘‘regni Mexicani prope Mescala, Sochipala et Valle Zopilote,’’ no 
reference to Quito being made, the specific name evidently given inadvertently, 
-hence Kunth’s change of the specific name to ‘‘calamagrostidea.”’ 
Ranae: Highlands of Mexico. 
HERBARIUM SPECIMENS: 
Sonora: Cochuto, Hartman 60, 77. 
Curavuanua: Santa Eulalia, Palmer 133 in 1908; plains, Wilkinson in 1885; hills, 
Wilkinson 344, Chihuahua, under shrubs, hills and plains, Pringle 397; 
rocky hills, Pringle 428; along dry run, Hitchcock 7779. 
