28 ; 
membranous; leaf blade linear, attenuate-pointed, 5 to 9 inches long, 3 lines 
wide or less, smooth below, scabrous on the margins, strigose-pnbescent above, 
those of the innovations 9 to 14 inches long; spike nodding, 5 to 9 inches long, 
of seven to fourteen 5- to 7 € spikelets, 9 to 12 lines long; empty glumes 
narrowly lanceolate, acuminate or short-awned or unequally bidentate, about | 
equal, 3- to 5-nerved, half or less neen half as long as the spikelet; flowering , é 
glumes linear lanceolate, 5 to 7 lines long, acuminate, scabrous, tipped with a 
stout, scabrous, divergent awn, about 1 inch long; internodes of the rachilla 14 
lines long, slender, glabrous; palea shorter than its glume, acute. This species 
is distinguished from A. divergens, to which it has been referred, by its more 
numerous, longer, and broader sme leaves, more flexuous spike, stouter awns, 
and by the very acute empty glun 
n the mountains of New Meios: "Atia; and Chihuahua. Specimens in the 
National Herbarium from New Mexico: 3174 Lemmon, 1884, near Laguna. 
j Riley 
without date or W Chihualua a: 1439 Pringle, 1887, Sierra ‘een. Also 
collected in the Organ Mountains by Bigelow, 1851 (Gray Herb.). 
tt Empty glumes two-thirds as long as the spikelet or equaling it. 
Agropyron parishii Scribn. & Smith, sp. nov. Culms 2 to 3} Sj high, with flat 
leaves and erect or nodding spikes 6 to 12 inches long. Culms cylindrical, glab- 
rous, striate, or smooth and shining below; nodes tumid, dr pubescent; 
leaf sheaths striate, pubescent below, and sparingly ciliate along the margins, 
the basal ones shorter, the upper longer than the internodes; ligule membran- 
ous, very short; leaf blade constricted at the base, smooth on the back, scab- ; 
rous above edo the margins, 2 to 3 lines wide, linear attenuate to the acute { 
apex, the lower eda leaves 6 to 9 inches, and the uppermost 1 to2inches, Spike 
of 8 to 12 compressed oblanceolate spikelets. Spikelets 5- to 7-flowered, 8 to 10 
margins; empty glumes two-thirds as long as the spikelets, nearly equal, linear, 
acute or acuminate, 5-nerved, scarious on the margins; flowering glume lanceo- | 
late, acute, 43 to 53 lines long, flattened on the back baloi, prominently 5-nerved 
ridi I 5 1 the minutely 3-toothed awnless or short-awned 
or obtuse. pta ted in p National Herbarium by specimens collected by 
S. B. Parish in Wwe Cañon, San Bernardino Mountains, California, at an 
altitude of 3,000 feet, No. 2054, June 28, 1888, and No. 2238, June 23, 1891. + 
is species pe pt connects Agropyron witk Brachypodium. The habit 
similar to that of 4, arizonicum. It is the only American species with Pula X 
culm nodes. a 
Agropyron parishii leve Scribn. & Smith, var. nov. With the habit of the species, 
but the culm nodes and leaf e &labrons; awns as Nr as or longer than 
the flowering glumes. Type in the Gray 1 No. 414, Dr. Edward | Palmer, m 
collected at Powers, Cuiamaca Mountains, in the 3 part of San Diego Ef 
County, UM 815. 
"y 
Agropyron Beauv. A pale pes species, 2 to 3 feet high, with flat, 
rigid, striate leaves, glabrous on the back; sheaths longer than the internodes; 
spikes 10 to 16 inches long, of 10 to 14 d. erect spikelets; empty glumes 
eartilaginous, 6 to 8 lines long, lanceolate-acuminate, 5-nerved, the margins 
smooth and shining; flowering glume shorter than the longest empty glume, 
smooth and shining, tipped with a flexuose or divergent awn 8 to 18 lines long.— 
Beauv. Agrost., 102. Distinguished from A. arizonicum, with which it might be 
confounded, by its larger, more robust culms, broader leaves, larger nem 
