CXLI. CYPERACEiE. i23 



17. LEPISIA, Presl. 



Spikelets 2-flowercd, the upper flower bisexual, lower male. 

 Glumes distichous, boatshaped, keeled, the lower ^^radiially 

 smaller, mucrouate-awued, em])ty. Perianth 0. vStamens '4. 

 Style 3-fid, pyramid-thickened at base, continuous with the 

 ovary. Achene 3-angled, beaked by the style-base. — Kunth, 

 I. c. p. 307. 



L. ustulata, Pr., has leafy, subterctc stems ; filiform channelled, rigid 

 leaves, and fascicled spikelets, tlie fascicles in a raceme, subtended by a leaf. 



18. ELYNANTHUS, Lestib. 



Spikelets 1-4-flowered, the terminal bisexual, 3-G-nndrous, 

 the rest male, 5-8-androus. Grlumes distichous, keeled-boat- 

 shaped, lower empty. Perianth 0. Style 3-fid, tuberous at 

 base. Achene triangular, crowned with the style-base. — 

 Kunth, I.e. p. 308. 



Eigid, with leafy culms, and channelled, very narrow leaves. Spikelets 

 fascicled near the top of the culm ; fascicles racemose. — Few species. 



19. BUEKIA, Nees. 



Spikelets 2-flowered, both bisexual. Grlumes 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. Pruit (a nut-like caryopsis) 

 ovoid globose, papery, smooth, crowned with the style-base, 

 girt with a callous ring at base. — Kunth, I. c. 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. Grlumes 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, I. c. p. 310. 



Culms 3-angled, leafy, scabrid. Leaves narrow, rigid, clmnncllcd, rough- 

 margmed. Peduncles axillary and terminal, tufted, many -spiked ; spike- 

 lets tufted, bracteate. All parts very pale.— J. Ca2}e)isis, Kth., found near 

 Ezelbank by Drege. 



21. ASTEROCH^TE, Nees. 



Spikelets 2-flowered, both bisexual. Glumes few, disti- 

 chous, keeled, the lower empty. Perianth of G hispid or 



