GRASSES OF IOWA. . 293 



The species occurs in woodlands, in central and eastern Iowa. A 

 good forage grass. 



•DISTRIBUTION'. 



Iowa. Mason City 3137 (Miss King and Brown) ; West Union 

 (Whitmore) ; Armstrong (Cratty) ; Traer (Provan) ; Ft. Dodge 

 (Oleson). 



North America. Newfoundland to New York (Parry), west to 

 Manitoba, Wisconsin (La Crosse, Pammel ; Lake Geneva, C. R. Ball; 

 Lake Geneva, Hall and Taylor), Minnesota (Aitkin County 819, Sil- 

 ver Creek 905, Sandberg; St. Croix, Parry), Missouri (Eggert), Colo- 

 rado (Ft. Collins, 6500 ft., Crandall ; Grand County, Shear and Besse] 

 1 541 ; La Ppudre River 9200 ft., Pammel), New Mexico ( Vasey 314). 

 Idaho (Sandberg). 



6. BROMUS CILIATUS VAR. LAEVIGLUMIS. 



Bromus ciliatus laeviglumis Scrib. in herb. Shear. Bull. U. S. Dept. 

 Agrl. Div. Agros. 23: 32. 



DESCRIPTION. 



Smooth Glumed or Fringed Brome Grass. Differs from the 

 species in having the flowering glumes entirelv smooth, or with a 

 slight amount of pubescence on the margin at the base. July to August. 

 See figure 204, on page 292. 



distribution. 

 I oica. Steamboat Rock (Miss King). 

 North America. Maine and North Carolina. 



7 . BROMUS TECTORUM. 



Bi-omus tectorum L. Sp. PI. 77. 1753. Watson and Coulter. Gray. 

 Man. Bot. 671. 1890. (6 ed.) Beal. Grasses of N. A. 2: 620. 1896. 

 Nash in Britton and Brown. 111. Fl 1: 220. f.509. 1896. Scribner. Bull. 

 U. S. Dept. Agrl. Div. Agros. 17: 290. /. 5S6. 1899. (3 ed.) Shear. Bull. 

 U. S. Dept. Agrl. Div. Agros. 23: 29. /. 13. 1900. 



Schcdonorus tectorum Fr. Summ. Veg. Scand. 1: 76. 1846-49. 



DESCRIPTION. 



Downy Brome Grass. A slender, erect, leafy annual, 7 to 25 

 inches (i£-6 dm.) high, with narrow, softly pubscent leaves, and open, 

 nodding panicles, 3 to 7^ inches (6-15 cm.) long. Spikelets five to 



