CLASSIFICATION. 95 



5. Madritensis ; 6. arvensis ; 7. giganteus ; 8. secalinus ; 

 1). mollis; 10. racemosus ; 11. squarrosus. 



Genus 31. Festuca. Spikelets slender, roughish, 

 two-ranked ; outer glumes erect, unequal, keeled ; flower- 

 ing glumes lanceolate, somewhat cylindrical, pointed, 

 awned ; scales either two, ovate-lanceolate, acute, or one 

 concave, notched, and horizontal ; filaments hair-like, 

 shorter than the flowering glume; anthers oblong; 

 ovary turbinate, glabrous, sometimes a little downy; 

 styles two, short, reflexed ; stigmas downy ; seeds ob- 

 long, slender, sharply pointed at both ends. Species 5 : 

 — 1. ovina ; 2. elatior ; 3. sylvatica ; 4. Myarus ; 5. 

 uniglumis. 



Genus 32. Dactylus. Inflorescence in a slightly- 

 branched panicle ; spikelets several-flowered, crowded 

 into dense clusters; outer glumes unequal, pointed, 

 keeled, convex ; scales lanceolate, jointed, swollen at the 

 base ; filaments three, slender, longer than the flowering 

 glumes ; styles spreading ; stigmas feathery ; seed ob- 

 long, naked, furrowed. Species 1 : — glomerata. 



Genus 33. Cynosurus. Involucre pectinated ; spike- 

 lets unilateral, many-flowered, sessile; outer glumes 

 two ; flowering glumes long, concave ; palea flat, awn- 

 less ; scales ovate, acute, swollen at the base ; filaments 

 three, hair-shaped ; anthers oblong, pointed ; styles re- 

 flexed, hairy; stigmas simple; seed oblong, pointed. 

 Species 2 : — 1. cristatus ; 2. echinaius. 



Genus 34. Briza. Spikelets several-flowered, pen- 

 dulous ; panicle loose ; outer glumes spreading, blunt ; 

 flowering glumes the same shape as the outer ones; 

 palea very small, flat, and roundish; scales two, narrow 

 and notched ; filaments capillary ; anthers oblong ; ova- 

 ries roundish ; styles two; stigmas feathery ; seed com- 



