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SETARIA, Beauv. 
1209. S. verticillata, Beauv. Bristly Fox- tail Grass. 
Cultivated grounds near 65th St. ; rare. July 25th, 1888. (B.) 
1210. S. glauca, Beauv. Pigeon Grass. Fox-tail Grass. 
Fields and roadsides; common or abundant. July — August. 
1211. S. viridis, Beauv. Bottle-Grass. 
Cultivated and waste grounds; frequent. July — September. 
1212. S. italica, Kunth. Bengal Grass. Millet, 
Spontaneous in cultivated grounds ; rare. June— July. (P.) 
CENCHRUS, L. 
1218. C. tribuloides, L. Hedgehog-Grass. Bur-Grass. 
^ Common in the eastern portion of our district; frequent elsewhere. 
I August — September 15 th. 
LEERSIA, Swartz. 
1214. L. virg’inica, Willd. White Grass. 
Damp, rich, open woods and shaded banks; common. August — 
September 15th. 
1215. L. oryzoides, Swartz. Rice Cut-grass. 
Sloughs and wet places throughout the southern part of our district; 
common, infrequent elsewhere. July 25th — August. 
ZIZANIA, Gronov. 
1216. Z. aquatica, L. Indian Rice. Wild Rice. Water Oats. 
Low places that are under water a portion of the season, sloughs aiul 
borders of lakes; frequent in the Calumet Region, elsewhere les-s 
common. August. 
• It seems to prefer the shallow borders of lakes, near the outlet or 
inlet, and in favorable localities it attains a heigh of 10 or 12 feet. 
The leaves vary in length from 1 to 4 feet. 
In the far northwest, where it is very abundant, it is of considerable 
importance as a food product., and is used extensively by the 
Indians. 
ANDROPOGON, Royen. Beard-Grass. 
1217. A. furcatus, Muhl. 
Rather dry soil; common. August. 
1218. A. scoparius, Michx. 
In dry soil, especially north and west; frequent. August. (B.) 
1219. A. virgmieus, L. 
A. dissitiflorus, Michx. 
Sandy soil at Englewood; infrequent, September, Hill. (B.) 
