19 
Wyoming: D. Griffiths, Nos. 493 and 500, Sundance, August 10, 1897; No. 576, Little 
Missouri Buttes, August 15, 1897; No. 669, Inyankara Mountain, Augast 23, 1897; 
A. Nelson, No. 1602, Laramie Peak, August 6, 1895. 
Nevada: Shockley, without date or localit ity. 
Arizona: Dr. Palmer, No. 534, 1876. G. C. Nealley, No. 171, Rineon Mountains, 
m 
New Mexico: C. Wright, No. 2076, in part, 1851-52. E. O. Wooten, No. 322, White 
Mountains, August 12, 
Texas: J. Reverchon, Upp 8 River (Curtiss, No. 3536). 
19. SITANION PUBIFLORUM J. G. Smith, sp. nov. 
Low, pere perennial, with stout, rigid, erect culms, 2 to 3 dm. high, and tufted, 
rigid innovations, 1 to 1.5 dm. long. Culmsterete, strigose-pubescent above. 
citi leaves 3 to 5. Nodes glabrous, glaucous. Sheaths about as lon ng as, or 
longer than, the a Spat at t the. throat, not at all comes: glabrous, 
Ligule obsolete. „rigid, linear-involu te, pungently- 
ointed, scabrous above, the lowest 10 cm. , the uppermost 1.5 to 4 em. eke and 
horizontally spreading or divaricate. Spike exserted, erect, about 5 em. long. 
Empty glumes setaceous, divaricate, 4 to 6 cm. long, scabrous throughout, not at 
all lobed or divided. Spikelets 24-flowered, the uppermost floret rudimentary. 
Flowering glume of the lowest floret 7 mm. long, linear-lanceolate, acute, with 
a rounded callus, scabrous and finely pubescent, tipped with a straight, erect, 
scabrous awn, 5 to 6 em. long. Palea rounded or entire at the apex, as long as 
the flowering glume, scabrous along the margins. Joints of the rachis one- 
half to two-thirds as long as the lowest floret, dilated above, scabrous. 
Arizona, New Mexico, and southeaster n Colorado: ype No. 795, J. W. Toumey, Tucson, 
Ari 
1 esd 
N. Mex., May 29 ud C. S. Crandall, No. 535, Trinidad, Colo., May 13, 1892. 
hi d fi brevifolium by the rigid, convolute, erect, puberu- 
lent leaves, densely tufted at the base of the low culms, erect spikes, and smaller 
pubescent flowering glumes. 
$$$$Elymoides. Empty glumes lanceolate, 2-5-nerved, entire or lobed, lowest Jloret 
hermaphrodite; ito I. or 2 at a node, when I, the empty glumes inclosing the spike- 
let as in Elymus and Agropyron; rachis of the spike articulate à the nodes. 
20. SITANION PLANIFOLIUM J. G. Smith, sp. nov. ; 
Culms stout, erect, 5 to 6 dm. high, the lower internodes smooth and shining, glau- 
cous, terete, the uppermost slightly prune. sgg Sheaths striate, glaucous, 
open at the throat, loose. Ligule obso lades 8 to 15 cm. long, 5 to 8 
mm. wide, flat, lanceolate, becoming e toward the acuminate apex, 
scabrous above, and along the cartilaginous margins, glabrous on the back, 
more 5 nerved below than above. Spike erect or somewhat nodding, 
6 to . long, purplish, long-exserted. Spikelets subcylindrical, com- 
pre Em pty glumes 6 to 7 mm. long, lanceolate, strongly 1- to 3-nerved, 
entire or bifid, glaucous at the 3 strongly scabrous on the nerves above, 
tipped with a slender, spreading, scabrous awn, about 2 om. long. Flowering 
glume 10 to 11 mm. long, lanceolate, flat or rounded on the back, glaucous, 
sparsely and minutely scabrous, bearing a stout, scabrous awn 3 to 4 cm. lon 
Palea as long as, or rem longer than, the flowering glume, glaucous, scabrous, 
er at the apex. Joints of is rachis linear, compressed ve, 
aucous, 5 mm. Lr ime MUN 2-edged, scabrous on the margins. 
An. collected by W. N. Suksdorf, No. 224, high mountains, Skamania County, 
1 896 
Ld 
ash., August 10, 
Closely related to S. lanceolatum, from which it differs in the glaucous sheaths and 
culms, flat, lanceolate leaves which are very smooth on the back, and the pur- 
plish, Tong-exserted spikes with glaucous florets. 
