60 GRASSES OF IOWA. 



Old Avitch grass is common throughout the state, frequently as a 

 weed. It is variable. The forms occurring in cultivated fields are stout 

 and hispid. When occurring in moist meadows and old lake beds it has 

 slender and somewhat capillary branches. 



DISTRIBUTION. 



Iowa. Plymouth County, Woodbury County (Broun); Mont- 

 rose, 706 (Osborn) ; Harcourt (Danielson) ; Muscatine, 508 (Rep- 

 pert); Fayette (Fink); Dallas Center, 815 (Rhinehart); Decatur 

 County (Fitzpatrick) ; Wild Cat Den, 1 301 ( Pammel and Reppert) ; 

 Belknap (Rankin); Keokuk (P. H. Rolfs); Alden, 1127 (Stevens); 

 Manchester, 720 (Ball) ; Garwin (Crawford) ; Greenfield (Stewart) ; 

 1 104, Winterset, Gilbert, Jewell Junction (Carver); Charles City 

 (Anderson); Emmet County, 850 (Pammel and Cratty) ; 3155 and 

 305] Steamboat Rock, 3004 and 3141 Lansing (Miss King); West 

 Union (Whitmore) ; 3229 Boone, Dakota City, 1081 Marshalltou n, 

 Fagle Grove, 707 Ledyard, Turin Carroll, Clinton, Logan, 874 

 Elmore, South Dakota, opposite Hawarden, Cedar Rapids, Ledges, 

 Boone County, 290 Sioux City, Carnavon (Pammel); Ames (Sir- 

 rine, Zmunt, Hitchcock, Kaufman, Ball, Pammel, Bessey, 691 Wad- 

 leigh), 120 Ball; Fairfield (Miss Wood, Ketterer, Reynolds); Ma- 

 quoketa (Goodenow) ; 19 Granite, Spirit Lake (Shimek) ; Creston 

 ( Bettenga) ; 739, Dixon (Snyder) ; Mt. Ayr, 048 (Beard) ; 998, Glen- 

 wood (Jackson) ; Sioux City (Wakefield) ; Lawler (P. H. Rolfs) ; Mt. 

 Pleasant, 081 (Witte); Marshalltown (R. B. Eckles) ; Jewell Junc- 

 tion (J. A. Rolfs); Council Bluffs (Misses Cavanagh and Dilne) ; 

 Spirit Lake (Shimek); Hamilton to Hancock County (Preston); Al- 

 gona (Watson) ; Traer (Provan) ; Ledges (Buchanan) ; Slater ( Faw- 

 cett and Tener) ; Oskaloosa (White). 



North America. From Maine, Connecticut (Hartford, Wilson), 

 New Jersey ( Halsted, 9(1), south to Florida; west to Texas, Arkansas 

 and Alabama. Wisconsin (LaCrosse, L. H. Pammel, Dora Pammel and 

 C. M. King), Indiana (Pammel), Illinois (Chicago, Pammel, Fg- 

 gert), Minnesota (Sandberg), Missouri (Meramec, Pammel). 



Europe. Introduced in southern Europe and Russia. 



8. PANICUM MINIMUM. 



Panicum minimum Scrib. and Mtrr. Cir. LI. S. Dept. Agr. Div. Agros. 

 27: 4. 1900. 



Panicum minimum Scrib . and Merr. Rhodora 3: 1C5. 1905. 



Panicum capillare minimum Engel. Scrib. Bui. Tenn. Agr. Exp. Sta. 

 7 ! : 44. f. -iO. 1894. 



