GRASSES OF IOWA. 239 



I Pummel) ; Keystone ( Koch) ; Iowa Cin ( Hitchcock) ; Mr. Pleasant, 

 Sss (Mills); Cherokee- (Wakefield); Harcourt (Danielson) ; Mara- 

 thon (Roberts); Davenport, Cedar Rapids, Spirit Lake (Shimek) ; 

 John-on County (Hitchcock and Macbride). 



North America. Massachusetts, District of Columbia (Washing- 

 ton, Vasey), Nebraska (Thedford, Webber; McCook, 27s, 356, 360, 

 365, 368, 372; Hastings, Grand Island, Alma, Broken How, Pammel), 

 Texas, New Mexico (Vasey), Florida (Duval County, Curtiss, 3462), 

 Colorado (Ft. Collins, Pammel), Montana (Craig), and southern 

 California. 



2. EATONIA PENNSYLVANICA. 



Eatonia Pennsvlvanica Gray. Man. 553. 1856. (2ded.) Scribner. 

 Grasses of Tenn. Bull. Univ. Term. Agr. Exp. Sta. 7: 99. f. 133. 1896. 



Eatonia Pennsylvanica (D C.) ray. Beal. Grasses of N. A. 2: 1896, 

 Nash in Britton and Brown. 111. Fl. 1: 193 f. 442. 1896. Scribner. Bull. 

 U.S. Dept. Agr. Div. Agros. 7: 257. /. 251. 1900. (3d ed.) 



Koeleria Pennsylvanica D C. Cat. Hort. Monsp. 117. 1813 



DESCRIPTION". 



Pennsylvania Eatonia, Eaton's Grass. A slender, pale-green 

 perennial, with Hat leaves and narrow, terminal panicles. Sheaths mostly 

 smooth; ligule about 1 line (2 mm.) long; leaf-blade 1 to 2 lines (2-4 

 mm.) wide, 3 to 4 inches (6-9 cm.) long, Hat, scabrous on both sides. 

 Panicle slender, 3 to 7 inches (7-15 cm.) long, the branches nearly erect. 

 Spikelets scattered along the branches, two or occasionally three-flowered ; 

 empty glumes .1 little over 1 line (2 mm.) long; the lower narrowly 

 linear with scabrous keel, the upper narrowly obovate, acute or obtuse, 

 slightly scabrous on the nerves. Flowering glume about 1 t 1 > lines (3 

 mm. ) long, acute, somewhat scabrous on the back above. Leaves of 

 about equal length throughout. Wet meadowy low woods and thickets. 

 * June to August. 



Eatonia Pennsylvanica is found throughout the state in low grounds 

 LrrowiiiL r in tufts. Not of much value as a forage plant. 



DISTRIBUTION. 



Iowa. Marshalltown, 318 (R. B. Eckles) ; Harcourt ('Daniel- 

 son) ; Iowa City (Hitchcock) ; Mt. Pleasant (Mills) ; Tama County, 

 961 (Sirrine) ; Harcourt, 1088 (Danielson); Morning Sun. 1 10" 

 (Carver) ; Armstrong (Cratty) ; Beaver, 12^0 t Pammel and Kinzer) ; 



