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GRAMINACEAE 



Oryzeae 



Leersia oryzoides 

 Cluster and spikelet 



Phalarideae 

 Phalaris arundinacea 

 Spikelet and flower 



Aveneae 



Avena sativ; 



Spikelet 



2. Spikelets more than one-flowered 



a. Empty glumes longer than the spikelet ; lemma awned on the back 



b. Empty glumes shorter than the spikelet, lemma awned at the tip 



(1) Herbs 



(2) Tall reeds 



Festuceae 

 Bambuseae 



P.ambuseae 

 Arundinaria japonica 



Spikelet and flower 



Festuceae 

 Bromus ciliatus 

 Spikelet and flower 



II. Spikelets not in panicles 

 1. Spikelets monoecious 



Maydeae 



