W V. Chloridease. 
O Spikelets broad, heartshaped, awnless; glumes equal, boatshaped 
0 Spikelets narrow, awned; glumes unequal, narrow 
VI. Phalarideae 
© One genus 
VII. Paniceae. 
© Spikelets subtended by bristles, the bristles persistent 
O Spikelets not subtended by bristles 
& Sterile lemma awned; tip of the palea not inclosed by the 
6 fertile lemma 
4 Sterile lemma awnless; tip of the palea inclosed by the 
6 fertile lemma 
VIII. Andropogoneae. 
ie O One genus 
24. 
Beckmannia 
Spartina 
Phalaris 
Setaria 
Echinochloa 
Panicum 
3% Andropogon 
