CXLI. CYPERACER. ~ 423 
17. LEPISIA, Presl. 
Spikelets 2-flowered, the upper flower bisexual, lower male. 
Glumes distichous, boatshaped, keeled, the lower gradually 
smaller, mucronate-awned, empty. Perianth 0. Stamens 3. 
Style 3-fid, pyramid-thickened at base, continuous with the 
ovary. Achene 3-angled, beaked by the style-base.—Kunth, 
l. c. p. 307. 
L. ustulata, Pr., has leafy, subterete stems ; filiform channelled, rigid 
leaves, and fascicled spikelets, the fascicles in a raceme, subtended by a leaf. 
18. ELYNANTHUS, Lestib. 
Spikelets 1-4-flowered, the terminal bisexual, 3-6-androus, 
the rest male, 5-S-androus. Glumes distichous, keeled-boat- 
shaped, lower empty. Perianth 0. Style 3-fid, tuberous at 
base. Achene triangular, crowned with the style-base.— 
Kunth, 1. c. p. 308. 
Rigid, with leafy culms, and channelled, very narrow leaves. Spikelets 
fascicled near the top of the culm ; fascicles racemose.—Few species. 
19. BUEKTA, Nees. 
Spikelets 2-flowered, both bisexual. Glumes about 5, sub- 
distichous, keeled, 3 lower empty. Perianth of 8 long, slender, 
hispidulous bristles. Stamens 3. Style very long, 6-fid at 
the apex, tuberous at base. Fruit (a nut-like caryopsis) 
ovoid globose, papery, smooth, crowned with the style-base, 
girt with a callous ring at base—Kumnth, l. e. p. 310. 
Culms tall, terete, rigid, 1-leaved at base. Leaves terete, rigid, pungent. 
Panicle terminal, contracted, subsimple, from the axil of a pungent, short 
leaf.—B. pungens the only species. 
20. IDELERIA, Kth. 
Spikelets 2-flowered, both bisexual. Glumes few, disti- 
chous, boatlike, keeled, the lower empty. Perianth of 5, capil- 
lary, whitish-hyaline bristles, pubescent above, 2 of them much 
shorter, thinner and glabrous. Stamens 6. Style 3-fid, conical- 
thickened and hispid at base. Achene ?—Kunth, l.c. p. 310. 
Culms 3-angled, leafy, scabrid. Leaves narrow, rigid, channelled, rough- 
margined. Peduncles axillary and terminal, tufted, many-spiked; spike- 
lets tufted, bracteate. Ali parts very pale.—J. Capensis, Kth., found near 
Ezelbank by Drége. 
21. ASTEROCH ETE, Nees. 
Spikelets 2-flowered, both bisexual. Glumes few, disti- 
chous, keeled, the lower empty. Perianth of 6 hispid or 
