22 
Panicum virgatum Lin 
Usine North PERS abundant in meadows along the river, September 5 (767, 
Colorado: Meadow Park, August 15 27 5 Golden, common, August 29 (756, 2508); 
e, common, September 3 (251 
Cheetochloa viridis (Linn.) Scribn. aid viridis Beauv.). 
Nebraska: Central City, a common weed along roadsides and borders of meadows, 
June 19 (262, 2009). 
Cheetochloa italica (L.) Seribn. (Setaria italica Kth.) 
Colorado: Idaho Springs, searce, August 29 (746). 
Cenchrus tribuloides L. 
A dark- iin lax, leafy form, with slender bristle- 
like 
N RRE: Cent City, common, and a great pest, 
J 19 (257, 2015). 
Homalocenchrus oryzoides Mieg. (Leersia ory- 
zoides Sw 
Nebraska: Nor th Platte, icd near Fremonts 
Slough, September 7 (772, 2 
Phalaris arundinacea Linn. (fig. 17). 
Nebraska: Central City, not common, June 19 (261). 
pimus July 3 (339, 2089); Townsend, common 
tal a good hay grass, 3 uly 16 (2166); 
3 common in moist thickets and shady 
meadows, July 17 (425). 
Phalaris canariensis Linn. 
Nebraska: Near a refuse heap on the river bank, 
Kearney, June 20 (269) 
Savastana odorata (Linn.) Scribn. :(Hierochloé 
borealis R. & S.). 
Montana: Manhattan, here and there in the woods 
Lo on sandy river banks, July 17 (437, 2184); 
, rare, moist thickets July 27 (2511). 
Fig. 17.—Reed C - Pha- $ 
1 eee ere vim mn y 4 r Canyon, scarce; moist shady meadows 
and along small streams, Jine 26, 27 (306, 2060) 
Aristida fasciculata Torr. 
Nebraska: North Platte, common on the prairies near the bluffs, of no economic 
value, June 22 (279, 2025) 
Stipa comata Trin. & Rupr. (fig. 18). 
Nebraska: beds sal the common bunch-grass on the bluffs along the Platte, 
June 22 (278, 2024). 
Montana: ied common in a dry meadow, July 3 (334, 2078); Manhattan, stony 
hillsides and culiivated fields, July 17 (350, 433, 2195). 
Stipa richardsoni Link. 
Montana: Silver Bow, wooded hillsides, not common, July 8 (357, 2109); Garrison, 
occasional along the river, and among bushes near the railroad, July 10 (371, 
2125). 
