GRASSES OF IOWA. 353 



Oak 3294 (Miller) ; Charles City (Pammel) ; Ames (Crozier, P. H. 

 Rolfs, 117 Ball, Hitchcock, Rolfs, Pammel, Reynolds, Zmunt, Beards- 

 lee, 109 1 Pammel, 259 Carver) ; Wall Lake (Hitchcock) ; Cornell 

 (Smith); Mt. Pleasant 683 (Witte) ; Keokuk (P. H. Rolfs); Key- 

 stone (Koch) ; Van Cleve (Warden) ; Mt. Ayr 646 (Beard) ; Mason 

 City 3134 (Miss King and E. Brown) ; Boone, Des Moines, Winterset, 

 Indianola, Jewell Junction (Carver) ; Hamilton County (Rolfs) ; Hull 

 (Newell) ; Belknap (Rankin) ; Harcourt (Danielson) ; Manly (Wil- 

 liams) ; Sioux City (Miss Wakefield) ; Stillwater (Andrews) ; Mis- 

 souri Valley, Boone, Marshalltown 1101, 88( Slater, Des Moines, Clin- 

 ton, Vernon Center, Minn. (Iowa-Missouri line), Turin, Carnavon, 

 Eagle Grove, Cedar Rapids, Jefferson, Story City, 1302 Council Bluffs, 

 Dakota City, Dubuque (Pammel) ; Marshalltown (Stewart) ; Jewel) 

 Junction (J. A. Rolfs) ; Spirit Lake 15 (Shimek) ; Emmet County 742 

 (Cratty) ; Wlieatland (Ball) ; Appanoose County (Fitzpatrick) ; Fay- 

 ette County (Fink) ; Ames 141 (Pammel and Ball) ; Lawler (P. H. 

 Rolfs); Dixon (Snyder); Taylor County 11 10 (Pool); Muscatine 

 510 (Reppert) ; Postville (Miss King) ; Plymouth County, Woodbury 

 County (Brown); High Bridge (Lummis) ; State Center (Pammel); 

 Algona (Watson); Slater (Fawcett). 



North America. Illinois (Chicago, Pammel), Wisconsin (La 

 Crosse, C. M. King, 31 19 and 3257), Minneosta (St. Croix, Parry; 

 Vernon Center, Pammel 3), South Dakota (Mellette, Griffith, 139), 

 Nebraska (Broken Bow and North Platte, Pammel), Missouri (St. 

 Louis, Eggert). 



7. ASPRELLA. 



Asprella Willd. Enum. Hort. Berol. 132. 1809. Endlicher. Gen. PI. 

 103. Bentham and Hook. Gen. PI. 3: 1207. Hackel in Engler and Prantl. 

 Nat. Pflanz. Fam. II. 2: 88. Scribner. Bull. U. S. Dept. Agr. Div. Agros. 

 20: 168. /. 136. 



Spikelets two i:o three, or sometimes solitary, on each joint of the 

 rachis of a terminal spike, raised on avery short callus ; pedicel loosely two 

 to four-flowered (when solitary flatwise on the rachis). Glumes none 

 or small, awn-like and deciduous. Otherwise nearly as in Elymus. 

 (Name a diminutive of asper, rough or prickly.) 



Bentham & Hooker give the number of species as 3, while Hackel 

 gives the number at 4; 2 in North America; 1 in Siberia and 1 in New 

 Zealand. 



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