568 CYPERACE^; 



the farroW and as the- oljovateroblong, obtttsely S-qfletrbus achenium : furrows broadjy 

 winged. — Mariscus flavus, V. M. elatas, V. M. aggregatns, Siei. Mart. 19! — 8"-]i' 

 high, variable; spikes usaally 5-7, 6'" (-12'"), glumes li"' long; spikelets ofteu as long as 

 the lowest sterile glume (the bract).— Hab. Jamaica!, Al. ; Antigua !, Wullschl.; Trinidad ! ; 

 [Cuba ! and Mexico to Brazil !]. 



2. KYLLINGA, Rotti. 



Spikelets of a single fertile flower : 2 lower empty, small glumes approximate to the third 

 fertile and the fourth sterile glume. Achenium beakless. — Spikelets densely approximate 

 in, single or several clustered (rareh/ peduncled) heads ; involucre ^{^~4)-leaved. 



* Style Z-fid; achenium ?>-gonal. 



36. K. filiformis, /S^w. Ehizoma short ; stem several-leaved ; leaves narrowly linear > 

 heads shortly oblong or subglobose, 3(-4) in a cluster, or single, (or a few peduncled) : 2 in- 

 volucral leaves long, the thii'd usually short (or abortive) ; fertile glume 1%-^-nerved, 



, pointed, little longer or almost half as long again as the S-goual, ellipsoidal, dotted achenium ; 

 stamens 3 ; style 3-fid. — Mariscus, Spreng. — 6"-14' high, very variable in the form, the 

 arrangement, and the colour of Uie heads, but conform in the approximate, prominent glume- 

 nerves. 



a. Heads usually shortly oblong, 3"'-2"' long, 1-3 sessile, or one of them peduncled; 

 spikelets ovate-lanceolate, spreading, or at length reflexed, olivaceous or yellowish ; achenium 

 blackish, little shorter than the glume. 



i8. Berteroana. Heads shortly oblong, blunt, 3"'-4"' long, 3-4 in a cluster ; spikelets 

 elliptical-lanceolate, diverging, yellowish ; achenium yellowish or pale-brown, little exceeding- 

 half the glume. — Mariscus filiformis, from Guadeloupe, Kth. 



y. capillaris. Heads subglobose, 2"' diam., solitary or the 2 lateral smaller, densely 

 clustered, rusty or rusty-brown : involucre unequal : the longest leaflet suberect ; achenium 

 blackish, little shorter than the glume. — Schoenns capillaris, Sw. (Mariscus, V.). — Hab. 

 Jamaica !, March (a), Wullschl. ; [Cuba !, French islands ! (j8) ; Mexico ! to Guiana !]. 



** Style 'H-fid ; achenium compressed. 



37. K. triceps, Hotti., Sw., Mey.! Uhizoma short; stem several-leaved; leaves, 

 linear-acuminate, flat ; heads shortly oblong or subglobose, 3 (-1) clustered, pale ; fertile 

 glume membranaceous with a green, glabrescent keel, 9-5 -Meree^^ with the lateral nerves 

 dflicate, ovate-lanceolate, pointed, twice as long as the elliptical achenium ; stamens 2 ; 

 style Z-M.—Sottl). Vescr. t. i. f. 6.— K. odorata, V., Ns.—4,"-8" high; heads 6"'-2"', 

 spikelets IJ'" long. — Hab. Jamaica!, March; Autigua!, Wullschl., Dominica!, Imr., in 

 pastures ; Trinidad !, Sch. ; [Panama !, Guiana !, Brazil ; East Indies]. 



^ 38. K. monpcepliala, Rotti., Sw.- Rhizoma creeping; stem several-leaved; leaves 



linear, flat; heads single, ^/oioje, pale, involucre 3 (—4) -leaved, spreading; fertile glume 



membranaceous with a green keel, T-9-nerved with the lateral nerves delicate, ovate-lanoeo- 



( late, mucronate, twice as long the elliptical, pale achenium; stamens l-2(-3) ; style 2-fid. — , 



I fiotlb. Desci: t. 4. /. 4. — K. cruciformis, Schrad. I K. sororia, Kth. Cyperas kyllingioides, 



'' Sieb. Mart. 1 6 !— 8"-12" high ; heads 3"-2" diam. ; spikelets 1'" long : raucro of the glumes 



slightly spreading. — ^Hab. Jamaica!, Al., March, Wils., common; S. Vincent I, Guild.) 



[Mexico ! to Brazil ; Pacific islands !, trop. Australia, East Indies I]. 



■ 39. K. brevifolia, Rottb. Rhizoma creeping (or stoloniferoiis) ; stem l(-several)- 

 leayed, much longer than the leaf; leaves, linear, flat; heads single{-Z), subglobose, pate: 

 involucre spreading ; fertile glume membranaceous with a green keel, T-Q-nerved with the 

 lateral nerves p-ominent^ oblong-lanceolate, recurved-mucronate, more than tvrice as long as 

 the eUiptioal achenium ; stamens 2-3 ; style 3-fid. — Rottb. Descr. t. 4. /. 3. — K. striata, 

 iS'(!Ara<i.7r2'-l' high, slender ; heads 2"'-3"' diam.; spikelets li"' long. — Hab. Jamaica!, 

 March; Antigua!, Wullschl., Oomimea,\, Imr., in pastures; Trinidad!, Sch.; [Cuba; to, 

 Brazil ! ; East Indies !]. ; 



40. K. aphylla, Kth. Rhieoma creeping, bearing ovate, spreading scales; stems 

 aphyllous, sheathed at the base : head single, globose, exceeding the involucre, pale or pale^ 



