V A SOU LA R PL A NTS. Ul 



Palets 2; lower carina te; upper 2-carinate, 

 Ovary sessile. 



. K . leaves flattened; spikelets pendicillate. 

 paniculate. 



29. Briza, L. 



Spikelets x -flowered: flowers urnbrieate, dis- 

 tichous. Glumes 2, concave, rounded, ventri- 

 cose. Palets 2: lower rotund, concave, with 

 cordate base; upper much smaller, 2-carinate. 

 Caryopsis compressed. 



2£. leaves flattened; spikelets pedicillate, 

 paniculate. 



30. Festuca, I». 



Spikelets 2 — x -flowered: flowers distichous. 

 Glumes 2, carinate. unequal. Palets 2; lower 

 not carinate, mucronate, sometime^ aristate; 

 upper 2-carinate. Ovary sessile, smooth. 



0. %• 



31. Bromus, L- 



Spikelets 3 — x -flowered: flowers distichous. 

 Glumes 2, unequal. Palets 2: lower rotund, 

 convex, sometimes aristate: upper 2-carinate. the 

 carina ciliate. Ovary sessile, hirsute at the 

 apex. 



0. leaves flattened; spikelets pedicillate, 

 paniculate. 



32. Lepturus, B. Br. 



Spikelets 1 -flowered, with rudiment of a so- 



