CATALOGUE. 375 



several forms which from their 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.) 



GRAMINEJ5. 



Alopecurus aeistulatus, Mx. Northern States and Canada to Bear 

 Lake ; Washington Territory and California ; Colorado ; Indian Territory, 

 (390 Palmer, 1868.) Valleys of Nevada, and Parley's Park in the Wahsatch ; 

 4-6,000 feet altitude ; June-September. The avs^n varies in length, scarcely 

 exceeding the palet, or often nearly twice longer, but always much more 

 slender than in A. geniculatus, and not deflected ; culms 6-20' high. (1,272.) 



Phleum peatense, L. Ruby Valley; meadow. Introduced. (1,273.) 



Phleum alpinum, L. White Mountains; Greenland; Sitka; and at 

 alpine and subalpine heights in the Rocky Mountains southward to Colorado 

 and California. Moist banks in the East Humboldt Mountains, Nevada, and 

 not rare in the Uintas ; 8-9,000 feet altitude ; July, August. Culms 6-15' 

 high. (1,274.) 



ViLFA CEYPTANDEA, Torr. {Sporoholus, Gray.) Coast of New England 

 and on the Great Lakes ; Western Iowa, (Nicolet ;) and from Colorado to 

 Texas and Western Arizona, (Ives.) West Humboldt Mountains, (562 

 Torrey,) and on dry hill-sides in Monitor Valley, Nevada ; 5,500 feet alti- 

 tude ; July. Perennial ; leaves spreading ; axils of the panicle very often 

 naked. (1,275.) 



ViLFA -Airoides, Trin. Steud. Gram. 162. {Sporoholus, Torr.) Resem- 

 bling the last, -but the panicle mostly exserted, very open and sjsreading, the 

 flowers all on distinct pedicels ; axils naked ; culms with a short thick base 

 from an annual or perhaps biennial root ; leaves usually erect and convolute. — 

 Northern Texas and New Mexico ; Colorado ; California. On the Truckee 

 River, Nevada, and on Carrington. Island in Salt Lake ; 4-4,300 feet altitude ; 

 June-August. (1,276.) 



ViLFA ASPERIFOLIA, Necs & Meyen. Steud. Gram. 160. {Sporobolns, 

 Thurb.) Culms branching at base from running rootstocks, decumbent and 

 often rooting, 6-15' long, glabrous ; the smooth naked sheaths equaling or 

 exceeding the internodes ; leaves flat, very rough upon the mai-gins, acumi- 

 nate, 1-3' long, and 1" broad, the lowermost sheaths leafless ; panicle very 

 loose and spreading, 3-6' long, sheathed at base, the branches mostly solitary 



