374 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
HERBARIUM SPECIMEN FROM Mexico: 
VERACRUZ: Perote, Nelson 19. 
4. Poa villaroeli Phil. Anal. Univ. Chile 94: 169. 1896. 
Type locality, ‘‘Editoribus locis Andium provinciae Santiago,” the type specimen 
collected by Villarroel. 
Rance: High mountains from southern Mexico to Chile. 
HERBARIUM SPECIMEN FROM MEXIco: 
Mexico: Ixtaccihuatl, alpine region, Purpus 3772. 
5. Poa conglomerata Rupr.; Peyr. Linnaea 30: 8. 1859. 
Type locality, ‘Pic de Orizaba,”’ the type specimen collected by Galeotti (no. 5776). 
Rance: High mountains of southern Mexico. 
HERBARIUM SPECIMENS FROM Mexico: 
México: Popocatepetl, rather moist place in woods, along road, Hitchcock 5982. 
open place along trail, Hitchcock 5998; Rose & Hay 6026a. Ixtaccihuatl, 
rocky soil above timber line, Purpus 1638; rocky soil, subalpine region, Purpus 
1644. Sierra de las Cruces, under dry cool cliffs, Pringle 4307. 
PuEBLA: Mount Orizaba, Seaton 190; Nelson 287; Pringle 9594; wet sunny spots - 
near timber line, Purpus 2887; sandy soil, timber line, Purpus 2888; Rose d& 
Hay 5732; Hitchcock 6251. 
6. Poa orizabensis sp. nov. 
Perennial; culms cespitose, not producing rhizomes, 40 to 60 cm. high, spreading, 
1-noded, glabrous; sheaths compressed, minutely scabrous; ligule of the innovations 
very short, of the culm leaves about 2 mm. long; blades firm, folded, nerved, scabrous 
above and on the margins, nearly smooth beneath, 2 to 4mm. wide, 5 to 15 cm. long, 
the upper culm blade 1.5 to 2 em. long; panicle open, about 10 em. long, the slender 
branches in 1’s or 2’s, spreading or drooping, scabrous, naked below, spikelet-bearing 
along the upper half; spikelets short-pediceled, purple, ovate, about 4 mm. long, 2 or 
3-flowered; glumes nearly equal, 2.5 mm. long, smooth, scabrous on the keel above; 
lemmas oblong, cobwebby at base, somewhat villous on the keel below, 5-nerved or 
the lower obscurely 7-nerved, minutely scaberulous, especially on the nerves, scarious 
at the tip, the lower 3 mm. long. 
Type in the U. S. National Herbarium, no. 691227 collected on “Bald hill, 3,940 
meters altitude, Mt. Orizaba,’’ Mexico, August 17,1910, by A. 8S. Hitchcock (no. 6254). 
Rance: High mountains of southern Mexico. 
HERBARIUM SPECIMENS: 
ME&xico: Popocatepetl, open mountain side, Hitchcock 6004; at timber line, rare, 
Hitchcock 5988. 
PuEBLA: Mount Orizaba, Hitchcock 6254. 
7. Poa ruprechtii Peyr. Linnaea 30: 6. 1859. 
Type locality, ‘“‘Toluca, Cocustepec,” the type specimen collected by Heller 
(no. 312), 
Rance: Mountains of Mexico. 
HERBARIUM SPECIMENS: 
CoaHUILA: Mountains east of Saltillo, Palmer 1366 in 1880, 
Nuevo Leon: Sierra Madre above Monterey, calcareous ledges, Pringle 10212. 
8. Poa fendleriana (Steud.) Vasey, U.S. Dept. Agr. Div. Bot. Bull. 18: pl. 74. 1893. 
Eragrostis fendleriana Steud. Syn. Pl. Glum. 1: 278. 1854. 
Type locality erroneously given as ‘““Mexico,’’ the type specimen collected in New 
Mexico by Fendler (no. 932). 
Rance: Wyoming to Washington and south into northern Mexico. 
HERBARIUM SPECIMENS FROM Mexico: 
Lower CALIFORNIA: Hansen’s ranch, Orcutt 1276, 1276a. 
