38 



Eriocoma cuspidata Xiitt. 



Color.itlo: Fort Morgan, Platte River, altitude 4,990 feet, sandy soil, secoud bot- 

 toms; east of Denver, sand hills, altitude 5,100 to 5,300 feet; La Porto, sand 

 hills, red sandstone, altitude 5,095 feet. 



Muhlenbergia gracilis Trin. 



Color.ido: Fort Collins, altitude -1,984 feet, dry prairies; Beaver Creek, Larimer 

 County, altitude 9,500 to 10,000 feet, dry soil. 



M. gracillima Torr. 



Colorado: Colorado Sprin-^s, altitude 5,978 to fi,000 feet, grows in bunches, very dry 



soil. 



M. mexicana Triu. 



lowii : Carroll, altitude 1,240 feet; Sioux City, altitude 1,122 feet; Missouri Valley, 

 altitude 1,022 feet, along roadsides. 



M. racemosa (Miclix.) 15. S. P. 



Iowa: Missouri Valley, altitude 1,022 feet; Council Bluiis, altitude 1,000 feet; Jef- 

 ferson, altitude 1,118 feet; Carroll, altitude 1,240 feet; Sioux City, altitude 

 1,122 feet. 



>;ebraska : Crete, altitude 1,364 feet, moist prairies, abundant. 



Phleum alpinum L. 



Colorado: Happy Hollow, Larimer County, altitude 8,300 feet, low marshy grounds; 



Beaver Creek, Larimer County, altitude 9,000 to 10,000 feet, subalpine, in 



canyons and swamps, common. 



P. pratense L. 



Iowa : Carroll, altitude 1,240 feet; Sioux City, altitude 1,122 feet; .Jefferson, altitude 

 1,118 feet; Missouri Valley ; Logan. 



Nebraska: McCook, altitude 2,517 feet, in moist grounds. 



Colorado: Beaver Creek, Larimer County, altitude 9,100 feet, along trail, high 

 crounds; trail above Beaver Creek, Larimer County, altitude 10,.500 feet, with 

 a strongly developed corm-like bulb. Timothy is r-ommon throughout the irri- 

 gated districts of northern Colorado. 



Alopecurus geuiculatus L. 



Colorado: Long Gulch, Larimer County, bank of Little Beaver, altitude 8,500 feet, 

 rooting in mud. 



A. geniculatu.s fulvus (.1. K. Smith) Scribn, 



Colorado: South Branch (>ache la Poudre River, Larimer County, altitude 7,975 

 feet, rooting in mud; Greeley, altitude 4,770 feet. 



Sporobolus airoides Torr. 



Coloiado: Fort Collins, altitude 4,9.50 feet, near Cache la Poudre River; La Porte, 



Larimer County, altitude 5,095 feet, sandstone soil; Fort Morgan, altitude 



4,.50O feet. 



S. asperifoliiis Thurb. 



Colorado: La Porte, Larimer County, altitude 5,095 feet, red sandstjne; Fort Mor- 

 gan, altitude 4,500 feet, sandy second bottom of Platte River. 



S brevifolius (Xutt.) Scribn. 



Iowa: Missouri Valley, altitude 1,022 feet; Carroll, altitude 1,250 feet; Sioux City, 



iiltitude 1,122 to 1,1.30 feet; Missouri Valley, altitude 1,025 to 1,030 feet; Council 



Pdnlls, altitude 1,020 to 1,040 feet. 

 Colorado: North Cheyenne Canyon, near Colorado Springs, near mouth of canyon, 



dry soil, altitude 6,000 feet. 



S cryptandrus (Torr.) .\. Cray. 



Iowa: .Mi>-oiiii \alley. altitude 1,022 feet. 



Nebra.ska: Crete, altitude 1,364 to 1,.500 feet, dry hills; McCook, altitude 2,517 to 



■-',700 feet. 

 Colorado: Denver, plains, altitude 5,291 feet: Fort .Morgan, altitude 4,. 5()() feet. 



