ILLUSTRATIONS, 



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Plate I. Festuca confusa Piper 13 



II, Festuca eriolepis Desv 14 



III. Festuca grayi ( Abrams) Piper 14 



IV. Festuca reflexa Buckl 15 



V. Festuca megalura ^mH 17 



VI. Festuca bromoides L 18 



VII. Festuca sciurea Nutt 19 



VIII. Festuca occidentalis Hook 24 



IX. Festuca howellii Vasey 31 



X. Festuca aristulata (Torr. ) Shear 32 



XI. Festuca thurberi Vasey 33 



XII. Festuca johnsoni Vasey 35 



XIII. Festuca subulifiora Scribner ■ 36 



XIV. Festuca elmeri Scribn. & Merrill 37 



XV. Festuca confinis Vasey 41 



VI 



