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Erect culms and appressed leaves more slender than in the preceding; panicle exserted, very simple and narrow; spikelets smaller, the lower glumes acuminate, little shorter than the cuspidate upper one.

The sporidia are in one row, spindle-shaped, straight or slightly curved, rough, hyaline, uniseptic, cuspidate, pointed at the ends, 30–38�6–8�.

The fourth glume is coriaceous, broadly ovate, tip acutely pointed and almost cuspidate or acute, mucronate, white or brownish, reticulately minutely pitted.

The civets have no less than forty, and the grinders, instead of having cutting scissor-like edges, are cuspidate, or crowned with tubercles.

Has the sterile segment thicker and cuspidate, the stipe slender and the secondary veins forming a fine network within the meshes of the principal ones.