100 GRASSES OF IOWA. 



Moist thickets and low woods, usually along streams. May to October. 

 Leersia Virginica occurs throughout the state in moist, alluvial 

 thickets. 



DISTRIBUTION. 



Iowa. Mason City (Pammel); Steamboat Rock 3172 (Miss 

 King) ; Winterset, Boone (Carver) ; Ledges, Boone County, 240 Clin- 

 ton, Turin, Marshalltown, 110 Dakota City, Jefferson, 1082 Marshall- 

 town (Pammel) ; 24 Granite (Shimek) ; Ames (Ball 139, Bessey) ; 

 Muscatine (Reppert); Greenfield (Stewart); Iowa Lake, Emmet 

 County 775 (Pammel and Cratty) ; Mt. Pleasant, go (Mills) ; Ames, 

 Keokuk (Hitchcock); Libertyville (Baldwin); Manchester, 719 

 (Ball) ; Sioux City (Miss Wakefield) ; Mt. Pleasant (Mills) ; Fayette 

 (Fink) ; Spirit Lake, Lyon County (Shimek) ; Nevada (Pammel) 

 Steamboat Rock, Pine Creek (Miss King). 



North America. From Maine to New York, New Jersey, Con- 

 necticut (Hartford County, Wilson 1267), North Carolina, Florida 

 west to Alabama (Culman, Eggert), and Texas; Mississippi (Panola, 

 Eggert), Louisiana (Richland Parish, Ball 17), Nebraska (Crete, 

 Pammel, 198, 284), Missouri (St. Louis, Pammel; St. Louis, Eggert), 

 South Dakota, Minnesota, Iowa, Wisconsin, Ohio (Baltimore, Horr). 



2. LEERSIA ORYZOIDES. 



Leersia orvziides Swarts Fl. lad. Occ. 1: 132. 1797. Watson and 

 Coulter. Gray. Man. Bot. 635. pi. 7. 1890. (6th ed ) Scribner. Grasses of 

 Tenn. Bull. Univ. Tenn. Agrl. Exp. Sta 7:60. /. 67. 1894. Vasey Contr. 

 U. S. Nat Herb. 3: 41. 



Homalocenchrus oryzoides (L.) Mieg. Beal. Grasses of N. A. 2: 178. 

 /. 37. 1896. Poll. Hist. PI. Palat. 1: 52. 1776. 



Homalocenchrus oryzoides (L.) Poll. Nash in Britton and Brown, 

 111. Fl. 1: 129. /. 288. 1896. Scribner Am. Grasses. Bull. U. S. Dept. Agrl. 

 Div. Agros. 7:82. / 76 1900. (3ded). 



Phalaris orvzoides L. Sp. PI. 55. 1753. 



Ehrhartia clandestifia W\%g. Fl. Holsat. 695. 1780. 



Asprella oryzoides Lara. 111. 1: 167. 1791. 



Oryza clandestina A. Br. Asch. Fl. Brand. 799. 1864. 



DESCRIPTION. 



Rice Cut Grass. A rather stout, rough and usually much 



branded L r ni>s, 1 to i, or 4 feet (4-6 or 8 dm.) high, with flat leaves, 



an open, pale green or straw-colored panicle. Nodes usually bearded. 



