gramineae cont Tribe II Festuceae Spiklets all alike in the same inflorescence. A. lemmas three nerved, nerves prominent, often hairy Inflorescence an exerted open or spikelike panicle lemmas not pubescent on the nerves, awnless, glumes shorter than the lemmas; lateral nerves of the lemmas not marginal interneves glabrous lemmas membranaceous; spiklets compressed; lemmas acute or acuminate; spiklets 3 to many flowered Enagrostis AA. lemmas 5 to many nerved, the nerves sometimes obscure Spiklets with no empty lemmas below the fertile florets, nerves usually prominent. lemmas membranaceous Glumes present, lemmas longer than broad, keeled on the back, awnless; spiklets small Poa Tribe VII Chlornidae Plants with perfect florets A. Spiklets with more than 1 perfect floret Inflorescence exerted Spikes more than 1 but few, Rachis not prolonged Eleusine AA. Spiklet with only 1 perfect floret, often with additional imperfect florets above or below. B. Spiklets without additional modified florets, the rachilla sometimes prolonged Rachilla articulate above the glumes, Spikes two to many, digitate, Rachilla prolonged Cynodon BB. Spiklets with 1 or more modified florets above the perfect one. Spiklets with no sterile floret below the perfect one; second glume without a spike. Spikes digitate or nearly so Fertile lemma awned or awnless Chloris