NIK TRIBES AND THEIR GENERA. 

 FESTUCE/F. 



5i 



Spikes. 

 Simple. 



Spikelels on one side. Cynosurus, 75, j6. 



Spikelets imbricated ; bract at base. Seslevia, 100. 



Spike interrupted near base. Koelcria, 99. 

 Compound. 



Spikelets on both sides. Brachy podium, 60, 6l . 



Panicli 

 Spikelets orbicular. Briga, 77*78* 



Sheath quadrangular. Melica, 96, 97. 

 Stem solid. Molinia, 95. 



Leaves glaucous above, dark green below. Triodia, 98. 

 Florets enveloped in silky hairs of axis. Arundo, 10 1. 

 Panicle tufted. Dactylis, 74. 

 Panicle diffuse. 

 Awned. 



Awn of outer palea sub-terminal, style sub-terminal. 

 BromuSy 62-68. 



Awn of outer palea terminal ; style terminal. Fcsiuca, 



Awnless. 



Glumes truncate, panicle whorled. Catabrosa, 94. 

 Glumes short or pointed. 

 Poa, 79-93- 

 Glumes long and lanceo- 

 late. Fcstuca, 69, 70 

 (as regards F. ovina and 

 /'. clatior). 



SBSURIA. Panicle dense and 

 spike-like or capitate. Spikelets im- 

 bricate, sessile, persistent. Florets 

 few, Glumes nearly equal, ovate- 

 lanceolate, concave, acute, keeled, 

 membranous. Outer palea erect, 



ile, entire or toothed, awnless or 1 i, Jlcl For Spikekt sec p. 136 



