41 



,E. purshii ScLrad. 



Iowa: Carroll, altitude 1,240 feet; Sioux City, altitude 1,122 feet; Council Bluffs, 



altitude 990 to 1,000 feet, common along roadsides. 

 E. hypnoides (Lam.) B. S. P. 



Iowa: Carroll, altitude 1,240 feet; Sioux City, altitude 1,110 feet. 

 Eatonia obtusata (Michx.) A. Gray. 

 Iowa: Sioux City, altitude 1,122 feet. 

 Nebraska: McCook, altitude 2,517 to 2,550 feet, common, high prairies and in tlood 



plain of Republican River. 

 Colorado : Fort Collins, altitude 4,984 feet. 



E. pennsylvanica (I). C.) A. Gray. 



Iowa: Jefferson, altitude 1,110 feet; Sioux City, altitude 1,122 feet; Council Bluffs, 

 altitude 995 feet, low flood plain of rivers. 



Koeleria cristata (L.) Pers. 



Iowa: Jefferson, filtitude 1,118 feet; Sioux City, altitude 1,122 feet; Logan, high 



j)rairi('S and loess bluffs along the Missouri. 

 Nebraska : McCook, altitude 2,517 feet. 

 Colorado: Foothills near Golden, altitude 7,500 feet; La Porte, altitude .5,095 feet, 



red sandstone hills ; Long Gulch, Larimer County, altitude 7,775 feet, dry places, 



common. 



Catabrosa aquatica ( L. ) Beauv. 



Colorado: Fort Collins, altitude 4,984 feet, in seepage water from irrigation ditches; 



in gulch west of Fort Collins, altitude 5,500 feet, abundant in water. 

 Distichlis spicata (L.j Greene. 

 Nebraska: Lincoln, altitude 1,159 feet, salt marsh; McCook, altitude 2,517 feet, salt 



marsh, flood jjlain Republican River, base of hills. 

 Colorado: Denver, altitude 5,200 feet, in vacant lots. 



Dactylis gloinerata L. 



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



Nebraska: McCook, altitude 2,517 feet, not common. 



Colorado: Golden, altitude 5,691 feet. 



Poa arctica R. Br. 



Colorado: Above Beaver Creek, Larimer County, at snoAv bank, altitude 10,000 feet; 



swamp, Beaver Creek Canyon, altitude 9,500 feet. 

 P. arida Yasey. 



Nebraska: McCook, altitude 2,517 feet. 

 Colorado: Fort C(dlins, altitude 4,484 feet, in dry soil, plains; La Porte, altitude 



5,500 feet ; above Beaver Creek, Larimer County, altitude 10,000 feet, dry places. 

 P, buckleyana Nash. 

 Colorado: Beaver Creek, Larimer County, altitude, 9,100 feet ; Golden; Mount Zion, 



altitude 7,500 to 8,000 feet; also in Clear Creek Canyon, altitude 7,500 feet, ojien 



grounds. 



P. coloradoansis Vasey. 



Colorado: Rists Canyon, altitude 6,500 feet. 



P. compressa L. 



Iowa: Carroll, altitude 1,240 feet; Sioux City, altitude 1,122 feet, dry banks along 



i^ailroads. 

 Nebraska : Crete, altitude 1,364 feet, dry banks; McCook, altitude 2,517 feet. 

 Colorado: North Cheyenne Canyon, Colorado Springs, altitude 6,000 feet, in open 



grounds. 



P. epilis Scribn. 



Colorado: Above Beaver Creek, Larimer County, timber line, altitude 11,000 feet, 



also at snow bank, altitude 10,000 feet ; and swamps, Beaver Creek Canyon, 



between 9,800 and 10,000 feet. 



