CATALOGUE. 
381 
silky-pubescent especially at base, tlie callus short and acute ; awn 1 J' long, 
twisted and geniculate, densely pilose below, scabrous above. — Yosemite 
Trail, California, (5038 Bolander.) Pali-Ute Range, Nevada; 5,000 feet 
altitude; June. (1,296.) 
Stipa Mongolica, Turcz., (648 Hall & Harbour,) will probal)ly be 
found in Eastern Utali; slender, 1° in height, with filiform leaves iind a loose 
few-flowered panicle; the membranous glumes obtuse, al)out 2" long, sul)- 
equal, purplish, and the scarcely shorter hairy palct ending in a brut ])luiH<)se 
awn, 6" in length. An easily recognized species. A tliird phunose-awucd 
Stipa occurs in New Mexico, (981 Fendler,) with loug si-laccous-acumiuate 
glumes, 2" in length, the palet 6-8" and the awns as many inches h)ug. This 
has been considered by Prof Thurber a variety of S. pennata, L. 
Akistida PURPUREA, Nutt. Steud. Gram. 134. Pcremiial; culms 6-15' 
high, simple, erect, slender, mostly glabrous; sheaths narrow, scal)roiis, ex- 
ceeding the internodes, pilose at the throat ; leaves very narro\\', convolute, 
J-10' long; panicle slender, erect or flaccid, 3-6' loug, loosely few-flowered; 
glumes purphsh, the lower 6-9" long, about twice exceeding the lower, and 
longer than the flower, bifid and shortly awned ; flower densely short-pilose 
at the pointed base, scabrous above, 6" long, the awns equal or nearly so, 
separate to the base, not jointed, 1-2" long, scabrous.— From Western Texas 
and New Mexico to Arkansas and Colorado ; Arizona. Antelope Islaud in 
Salt Lake, and on foot-hills near Salt Lake City ; May, June. A. Fendkri- 
ana, Steud., is the same, and perhaps also his A. longiseta, judging from the 
description. (1,297.) 
Spartina gracilis, Trin. Steud. Gram. 214. Culms 1-3° high, exceed- 
ing the spreading distichous leaves, which are very rough upon the margins, 
mostly convolute, the upper ones distant aud shorter; ligidcs ciliaie; s])ikes 
4-10, oblong, mostly sessile, appressed to the nearly suiooth rachis ; glumes 
very unequal, the lower acuminate, the upper acute aud (■(pialiu-r ihc oblusish 
palets, 4" long, the glumes and lower palct ciliate-hispid upon the kcrl. — 
Texas and Colorado. Frequent in alkaline meadows tliroughout Nevada; 
4-6,000 feet altitude; June-October. (1,298.) 
Pleuraphis^ Jamesii, Torr. Steud. Gram. 218. Koots pcrcuuial, 
' PLEUKAPHIS, Toiii:. FIow.-is si.icatt', tin; Ki>ikel('ts .-cssil.- l>y t\\vvA:i>. al . a. !i .i.'iM '.t iii.- i;,c liis, 
Minoiinded at base by an involu. r.' of sofl .pivadiu- hairs, tli.- lat. ral oiu s slai.iinalr. th- . . niial i- 
fect. Glunii--.s of the lu-rfect .spikt-lfts "2, l-llowrnVi, cqnah nai r..\v-.'mi.'at.', d- .-i-ly •J-. l. li. r.-.'.-hi i>tlr.l : 
palets membranous, the lower short-awncd at tlir ajH-x. (.1iiiih > of th.- lil.' -i^ik- In. -j. -J-tlownd, 
lanceolate, iucqiiilateral, the lower l-awu.-.l iipou tin- hark ; pab ts in. Mibranous. awnlr^s. Stann'i..s :!, 
with very short filaments. Gcrui ovate ; styles di^tinet, th,; elun^aled st.-iu:i.s simply plumose. 
