140 



GRASSES OF IOWA. 



6. MUHLENBERGIA SYLVATICA. 



Muhlenbergia sylvatica Torr. Fl. U. S. 1: 87. 1824. Scribner. Am. 

 Grasses. Bull. U. S. Dept. Agrl. Div. Agros. 7: 108. /. 102. 1900. Nash 

 in Britton and Brown. 111. Fl. 1: 143. /. 323. 1816. Scribner. Gen. of 

 Grasses. Bull. U. S. Dept. Agrl. Div. Agros. 20:65. /. 43. 1900. 



Muhlenbergia sylvatica Torr and Gray. Watson and Coulter in Gray. 

 Man. Bot. 643. pi. S. f. 1 and 2. 1890. (6th ed.) Scribner. Grasses of 

 Tenn. Bull, Univ. Tenn. Agrl. Exp. Sta. 7: 68. /. 84. 1890. 



Agrostis diffusa Muhl. Gram. 64. 1817. 



description". 



Woodland Drop Seed. 

 A perennial, much branched 

 grass, 6-9 dm. high, with 

 strong, scaly rootstocks, flat 

 leaves and narrow, densely 

 flowered panicles, 5-15 cm. 

 long. Leaf blades rough, 

 5-18 cm. long, 2-6 mm. 

 wide. Spikelets about 2 mm. 

 long; empty glumes nearly 

 equal, very acute, one-half 

 as long or nearly equalling 

 the flowering glume ; flower- 

 ing glume pilose below, scab- 

 rous above, and terminating 

 in a slender awn 4-12 mm. 

 long. 



DISTRIBUTION". 



Iowa. Sioux City (Miss 

 Wakefield); 1455 De Witt, 

 1 1 1 Dakota City, 250 Clin- 

 ton (Pammel) ; Iowa City 

 (Macbride) ; Blue Grass 

 (Barnes) ; Ames (Crozier) ; 

 Iowa City (Hitchcock); 

 Emmet Countv, 9 SO (Pam- 



Fig. 101. Muhlenbergia sylvatica— a,, b, spike- ■ ^ 



lets; c, with outer or lower glumes removed, show- me l &nd L-rattVj; rSeiknap, 

 ing callus. (Div. of Agros. U. S. Dept. Agrl. ) 923 (Rankin). 



North America. New Brunswick to Ontario and Minnesota; 

 south to North Carolina, Texas and Indian Territory; Arkansas (Har- 

 vey) ; Missouri (Eggert) ; Connecticut (Hartford County, E. Wilson), 

 Kentucky (Harlan, Kearney) ; west to Colorado (Ft. Collins). 



