CATALOGUE. 
375 
several forms wliicli from tlieir elliptic or elliptic-oblong perigynia may be 
referred to this species, possibly among them one from Huntington Valley, 
Nevada, but destitute of developed achenia. (1,271.) 
GRAMINE^. 
■ Alopecueus aristulatus, Mx. Northern States and Canada to Bear 
Lake; Washington Territory and California; Ccdorado ; Indian TcrrKory, 
(390 Palmer, 1868.) Valleys of Nevada, and Parley's Park in ihv, W^ilisaich ; 
4-6,000 feet altitude ; June-September. The awn varies in Icnivili, scarcrdy 
exceeding the palet, or often nearly twice long(;r, but al\\a\s much more 
slender than in A. geniculatus, and not deflected ; culms G-20' high. (1,272.) 
PliLEUM PRATENSE, L. Ruby Valley ; mcadow. Ini rodiiced. (1,273.) 
Phleum alpinum, L. White IMounlains ; Greenland; Sitka; and a1 
alpine and subalpinc heights in the Rocky I^roiiiitains soniliward io Colora<h) 
and California. Moist banks in the East IIumb(ddt i\[oiiii1ains, Nevada, ami 
not rare in the Uintas ; 8-9,000 feet altitude; July, August. Culms 6-15' 
high. (1,274.) 
ViLFA CEYPTANDEA, Torr. {S]?oroholus, Gmj.) Coast of New England 
and on the Great Lakes; Western Iowa, (Nicolet;) and from Colorado io 
Texas and Western Arizona, (Ives.) West Huml>oldt Mountains, (562 
Torrcy,) and on dry hill-sides in i\ronitor Valley, Nevada; 5,500 feet alti- 
tude; July. Perennial; leaves spreading; axils of the panicle very often 
naked. (1,275.) 
ViLFA AIROIDES, Triu. Steud. Gram. 162. {Sjjoroboius, Torr.) Resem- 
bling the last, but the panicle mostly cxserted, very open and spreading, ilic 
flowers all on distinct pedicels; axils naked; culms wiih a short thick l.asc 
from an annual or perhaps biennial root; leaves usually cn cl and coiivoluic— 
Noi-thern Texas aud N(;w i\rexico ; Colorado; Calil'oriiia. On the Triickce 
River, Nevada, and on Carrington Island in Salt Lake ; 4-4,300 feet altitude ; 
June-August. (1,276.) 
ViLFA ASPERIFOLIA, Nees & ^Fcyen. S/eu(L Cnnn. 160. {SporohoJim, 
Tliurb.) Culms l)ranching at base irom ninning root slocks, dccii nilicui and 
often rooting, 6-15' long, glabrous; the smooth naked slicallis (■(pialmg or 
exceeding the internodes ; leav(^s llat, very rough upon ilic marixiiis, acumi- 
nate, 1-3' long, and 1" broad, the lowermost sheaths le;.lle.-> : panicle very 
loose and spreading, 3-6' long, sheathed at Ijase, the Ijranches mostly solitary 
