276 



GRASSES OF IOWA. 



1. FESTUCA OCTOFLORA. 



Festuca octotlora Walt. Fl. Car. 81. 1788. Beal. Grasses of N. A. 2: 

 586. 1896. Nash in Britton and Brown. 111. Fl. 1: 216. /. 491 . 1896. Bull. U. 

 S. Dept. Agrl. Div. Agros. 17: 284. f. 580. 1899. 



Festuca tenella Willd. Watson and Coulter. Gray. Alan. Bot. 669. 1890. 

 (6 ed.) 



DESCRIPTION'. 



Slender Fescue Grass. A slender, erect, more or less -aespitose 

 annual, \ to 2\ feet (1-5 dm.) high, with narrow, simple panicles, 1 to 

 j-}, inches (2-15 cm.) long. Spikelets five to thirteen-flowered, 3 to 5 

 lines (6-10 mm.) long, with slightly unequal, acute, empty glumes and 



In,. 191. Glyceria borealis—a, Bpikelets; b. 

 empty glomes; <•, flowering flumes; d, palet. 

 (Charlotte M. King.) 



Fig. 102. Festuca octoflora- -a, lower or 

 outer glumes ; b, spikelet. (Div. Agros. U. 

 S. Dept. Agrl. ) 



