What is a genus of endogenous herbs with grassy leaves and small yellow flowers in short, scaly-bracted spikes; yellow-eyed grass. There are about seventeen species in the Atlantic United States called?

xyris — A genus of endogenous herbs with grassy leaves and small yellow flowers in short, scaly-bracted spikes; yellow-eyed grass. There are about seventeen species in the Atlantic United States. (Webster's 1913.)

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