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Fig. 580. Festuca octoflora "Walt. Flor. Carol, si. 1788. (/-'es- 

 tuca tenella Willd. Enum. 1 : 113. 1809.) Slenoeh Fkscue. A 

 slender, ei-ect, more or less ciespitose annual 1 to 5 dm. high, with 

 narrow, simple panicles 2 to 15 cm. long. Spikelets 5- to 13-11ow- 

 ered, 6 to 10 mm. long, with sliglitly unequal, acute empty glumes 

 (rt) and narrow, usually scabrous, sbort-awned or nearly awnless 

 flowering glumes 3 to 5 mm. long. Dry, sandy, gravelly, or rocky 

 soil from Canada to Florida, and westward to Washington and 

 Caliiornia. May-August. 



