stems cæspitose, 12–14 in. high, erect, very slender, unbranched, covered with very minute yellow tubercles; leaf-sheaths 1/2 in. long, closely convolute, coriaceous, striate, pitted, subulato-mucronate; mucro sometimes prolonged into a long, appressed leaf; spikelets 1–2, about 1/4 in. long, erect, cylindric, acute, ultimately oblong; spathe mucronate, shorter than the spikelet; bracts ultimately loosely imbricate, oblong, acute, castaneous, mucronulate; perianth-segments oblong, obtuse; lateral conduplicate, with a glabrous keel; inner hyaline; anthers linear; pistillode minute; female flower with liguliform staminodes; ovary trigonous, 2-celled by abortion; capsule roundish, 2-celled. null