62 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



7 to 20 cm long, the branches appressed; spikeiets 4- or 5-flowered; 

 first glume 1.5 to 2 mm long, the second 4 to 5 mm long; lemmas 



Figube 62.-^4, Festuca myuros, spikelet, X 5. (Chase 2393, D. C) B, F. dertonensis. Plant, X M; spike- 

 let, X 5 (Palmer 2041, Calif.) 



linear-lanceolate, scabrous on the back especially toward the apex, 

 ciliate on the upper half; awn 8 to 10 mm long. o — Open sterile 



