272 GRASSES OF IOWA. 



DESCRIPTION. 



Reed Meadow Grass. A stout perennial, 3 to 5 feet (6-10 dm.) 

 high, with an ample, open panicle, and rather broad, flat leaves. Sheaths- 

 mostly smooth, and closed nearly to the top; ligule about 1 line (2 mm.) 

 long; leaf-blade 3 to 6 lines (6-12 mm.) wide, 10 to 20 inches (20-40 

 cm. ) long, smooth on the lower surface, scabrous above. Panicle oblong- 

 pyramidal, 8 to 16 inches (16-32 cm.) long, branches finally widely 

 spreading. Spikelets narrowly oblong, five to seven-flowered, usually 

 purplish; 1! to 3 lines (3-6 mm.) long, empty glumes ovate-lanceolate, 

 obtuse or acute, slightly unequal, the second the larger, about 1 line 

 mm.) long; flowering glume ovate, obtuse; about 1 line (2 mm.) long, 

 strongly seven-nerved. Paleas two-toothed, about equaling their glumes. 

 Shaded banks of streams, wet meadows, moist thickets, etc. June to 

 August. See figure 188, on page 274. 



Reed meadow grass is common in the lake region of northern 

 Iowa, and along the borders of streams in eastern and central Iowa. 



DISTRIBUTION*. 



Iowa. Battle Creek 1029 (Preston) ; 192 1 Elmore, Ledyard, 

 Spirit Lake, 3222 Gridlev, 3177 between Armstrong and Gridley (Pam- 

 mel) ; Algona (Hitchcock) ; 3273 Robertson (Hunt) ; Ames (Sirrine) ; 

 3 Ames (Ball and Sample) ; 1464 West Union (Whitmore) ; 5 near 

 Forest City (Shimek) ; 1115 Armstrong (Cratty) ; Winneshiek County 

 (Bartsch and Fitzpatrick) ; 33 10 Ceylon (Pammel) ; Hamilton to 

 Hancock County (Preston). 



North America. New Brunswick to Alaska, south to Massachu- 

 setts (Brookline, Pammel), New York (Parry), Pennsylvania, Ten- 

 ee, Wisconsin (La Crosse 3299 and 3232, Bloomingdale, Pammel), 

 Minnesota (1228 Samlberg), Dakota (Valley City. CraiV) , Nebraska, 

 New Mexico, southern California, Colorado (629 Hall and Harbi 

 Larimer County, Crandall), Wyoming (Williams; Black's Fork, Pam- 

 mel and Johnson; Sherman and New Castle, 146 A. Pammel). 



3. GLYCERIA FLUITANS. 



Glyceria fluitans R. Br. Prod. Fl. Nov. Holl. 1: 179. 1810. Watson 

 and Coulter. Gray. Man. Bot. 667. 1890. (6 ed.) Scribner. Grasses of Tenn. 

 Bull. Univ Tenn. Agrl. Exp. Sta. 7: 113. /. 156 1894. 



Panicularia fluitans Kuntze. Rev. Gen. PI. 782. 1891. 



Paniculana fluitans (L.) Kuntze. Beal. Grasses of N. A. 2: 569. 

 1896. Nash in Britton and Brown. 111. Fl. 1: 213. /. 491. 1896. Scribner. 

 Bull. U. S. Dept. Agrl. Div. Agros. 7: 291. /. 285 . 1900. (3ed.) 



Festuca fluitans L. Sp. PI. 75. 1753. 



