568 CYPERACE.E. 



the furrow and as the obovate-oblong, obtusely 3-quetrons achenium : furrows broadly 

 winged. — Mariscus flavus, V. M. elatus, V. M. aggregatus, Sieb. Mart. 19 !— 8"-H 

 high, variable; spikes usually 5-7, 6'" (-12'"), glumes H"' 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, Rottb. 



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 (rarely peduncled) heads ; involucre S(2-4)-leaved. 



* Style 2>-fid ; achenium Z-gonal. 



36. K. filiforxnis, Sw. Rhizoma 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 third usually short (or abortive) ; fertile glume X'a-^-neryed, 

 pointed, little longer or almost half as long again as the 3-goual, ellipsoidal, dotted achenium ; 

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

 arrangement, and the colour of the 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. 



/3. 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. — Schccnus capillaris, Sw. (Mariscus, V.). — Hab. 

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



** Style 2-fid ; achenium compressed. 



37. K. triceps, Rottb., Sw., Mey. ! Rhizoma short ; stem several-leaved ; leaves 

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

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

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

 style 2-fid.— Rottb. Descr. t. 4./. 6.— K. odorata, V., 2Vj.— 4"-8" high; heads 6"'-2'", 

 spikelets IV" long. — Hab. Jamaica !, March ; Antigua !, Wullschl., Dominica !, Imr., in 

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



38. K. monocephala, Rottb., Sw. Rhizoma creeping ; stem several-leaved ; leaves 

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

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

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

 Rottb. Descr. t. 4. f. 4. — K. cruciformis, Schrad. I K. sororia, Kth. Cyperu3 kyllingioides, 

 Sieb. Mart. 16 !— 8"-12" high ; heads 3"-2" diam. ; spikelets 1'" long : mucro of the glumes 

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

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



39. K. brevifolia, Rottb. Rhizoma creeping (or stolonifermis) ; stem l(-sevcral)- 

 leaved, much longer than the leaf; leaves linear, flat; heads single(-S), subglobose, pale: 

 involucre spreading ; fertile glume membranaceous with a green keel, 7—9-nerved with the 

 lateral nerves prominent, oblong-lanceolate, recurved-mucronate, more than twice as long as 

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

 Schrad. — 2'-l' high, slender ; heads 2"'-3'" diam. ; spikelets H'" long. — Hab. Jamaica !, 

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

 Brazil ! ; East Indies !]. 



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

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



