GRASSES OF IOWA. 283 



DISTRIBUTION. 



Iowa. 36 Gilbert (Ball and Combs) ; Ames (Beardslee, Hitch- 

 cock, Fisher) ; "Watkin's Well," 006 Gilbert (Ball and Combs) ; 280 

 Marshalltown (Eckles) ; Greenfield (Stewart); 278 Wheatland 

 (Ball) ; Hamilton County (P. H. Rolfs) ; Scott Count}', Decatur 

 County (Fitzpatrick) ; 966 Story City (Pammel) ; Story City (Stew- 

 art) ; Scott County (Barnes and Miller). 



North America. Pennsylvania to Illinois, Tennessee, Kansas, 

 Missouri (St. Louis, Eggert) ; Mississippi, Texas and Montana 

 (Craig). 



S. FESTUCA NUTANS. 



Festuca nutans Willd. Enura. 1: 116. 1809- Watson and Coulter. 

 Gray. Man. Bot. 659. 1890. (6 ed.) Scribner. Grasses of Tenn. Bull 

 Univ. Tenn. Agrl. Exp. Sta. 7: 117. /. 166. Ifc94. Nash in Britton and 

 Brown. 111. PI. 1: 218. f. 504. 1896. 



Festuca nutans Spreng. Beal. Grasses of N. A. 2: 588. 1896. 



DESCRIPTION. 



Nodding Fescue. An erect perennial, with simple, smooth stems, 

 2 to 3 feet (5-7 dm.) high. Sheaths smooth or sometimes pilose, striate; 

 ligule short and irregularly dentate; leaf-blade linear-lanceolate, 6 to 12 

 inches ( 12-24 cm.) long, strongly nerved, somewhat scabrous, dark green. 

 Panicle slender, diffuse, at length nodding, the Ion- , scabrous branches 

 usually in pairs, and naked below. Spikelets about 3 lines (0 mm.) 

 long, ovate-lanceolate, two to five-flowered; empty glumes unequal, 

 lanceolate, acuminate pointed, scabrous on the keel; flowering glumes 

 rigid or somewhat coriaceous, rounded on the back, acute, smooth and 

 apparently nerveless. Rock}- woods. June to August. See figure 197, 

 on page 282. 



distribution. 



Iowa. Ames (Carver, 7 Ball and Sample, 4 Beardslee, Bessey, 

 156 Ball, 1 153 Louthan, Pammel, F. Rolfs, C. A. Wilson); 3200 

 Missouri Valley, 3243 Beaver, Sioux City, 782 Sioux City, 1362 Cor- 

 dova, 1424 Carroll, 1275 Council Bluffs, 1162 Ames (Pammel) ; John- 

 son County (Shimek) ; Iowa City (Hitchcock) ; 854 Emmet Count}' 

 (Pammel and Cratty) ; Sioux City (Miss Wakefield); Mt. Pleasant 

 (Mills); Greenfield (Stewart); Keystone (Koch); Osceola (Stew- 

 art) ; Mt. Pleasant, 2 (Mills) ; High Bridge (Shimek) ; Johnson 

 County (Miss Linder, Preston). 



North America. Nova Scotia to Ontario and Nebraska, Missouri 

 (Crystal City and St. Louis, Pammel; Prairie Dupont, Eggert)) south 

 to Florida and Texas, 1618 (Reverchon) ; Ohio (Pickerington, Horr), 

 Wisconsin (La Crosse, Pammel). 



