CYPEEACE^. 567 



linear, glaucous ; lieads oblong. Hunt, Z-1-naiely cltistered, in an unequal umbel, lateral 

 shorter, diverging : involucre long, 5-8-leaved ; spikelets densely approximate-imbricated, 

 rusty or pale, lanceolate, 3-5-flowered, inferior recurved; glumes oblong, bluntish, many- 

 nerved, thrice as long as the furrow, twice as long as the elliptical-3-gonal achenium : wings 

 of the furrow broad, at length disappearing; stamens 3. — SI. t. 9. Rottb. Bescr. t. 11. 

 /. 2. — Mariscus coriaceus, Mey. Esseq. .'-^Z'-4' high ; terminal heads 8"'-10"', fertile 

 glumes about 1"' long. — Hab. Jamaica!, Al. Wils., March ; Antigua!, Wullschl., Domi- 

 nica !, Imr., Barbadoes ; [Cuba I and Mexico to Brazil ! ; trop. Africa to the Cape]. 



30. C. Meyenianus, Kth. Rhizoma short ; stem 8-angidar, glabrous ; leaves linear, 

 flat ; spikes slender, umbellate : involucre long, 5-12-leaved ; sjiihelets spreading, distinct, 

 pale or brownish-variegated, linear, 5-3-flowered ; glumes oblong-lanceolate, bluntish, 

 mamj-nerved, twice as long as the furrow, half as long again as the oblong-3-gonal ache- 

 nium : furrows narrowlv winged ; stamens 3. — Mariscus, Ns. /3 / — 1'-14° high ; spikes 

 1"-14", glumes li"'-li''" long.— Hab. Jamaica!, Wullschl; [Venezuela!, Brazil!]. 



** Spikes umbellate or cltistered: spikelets subdistichous. 



31. C. anceps, Liebm. Bhizoma short; stem slender, 3-angular, glabrous: one side 

 channelled ; leaves linear, flat ; spikes lax, of 16-30 diverging, somewhat distant, subdisti- 

 chous spikelets, unequally umbellate, interior sessile : involucre '1-8-leaved : exterior leaf- 

 lets long, spreading ; spikelets lanceolate-linear, rusty-brown, h-&-flowered ; iertileglumes 

 oblong, bluntish, 7-9-nerved, thrice as long as the furrow, half as long again as the ellvp- 

 tical-oblong, Z-^onsi. achenium : furrows broadly winged : stamens 3. — I'-Z'high; glumes 

 1'" long. — Hab. Jamaica!, Wullschl.; [Cuba]. 



32. C. Mutisii, Gr. Khizoma short ; stem 3-angular, glabrous : one side channelled ; 

 leaves linear, flat ; spikes slender, of 20-40, spreading, somewhat distant, subdistichous 

 spikelets, unequally unibellate, interior or all sessile: involucre 4-" 9 "-leaved: exterior 

 leaflets long; spikelets lanceolate, rusty-brown, 'i-\\-floicered ; fertile glumes oblong, ' 

 bluntish, 7-nerved, thrice as long as the furrow, twice as long as the oblong, 3-gonal ache- 

 nium: furrows broadly winged ; stamens 3. — Kth. Nov. Gen. t. 66. — Mariscus, ^M. (non 

 Anders.). M. Poeppigianus, Kth.— V high; inferior fertile glumes 14'" long.— Hab. 

 Jamaica !, Pd. ; [Mexico, Venezuela !, Peru]. 



33. C. platystacliyus, Gr. (n. sp.). Rhizoma short ; stem 3-angular, glabrous, tumid 

 at the base : 2 sides channelled ; leaves linear, flat, equalling the stem ; spikes broadly ob- 

 long, Jlattish from numerous, horizontally diverging, subdistichous spikelets,, clustered-sub- 

 sessile : involucre long, 5-8-leaved ; spikelets Unear-aeuminate, pale or variegated with 

 reddish lines, h-Z-flowered ; fertile glumes lanceolate, acuminate with a bluntish point? 

 many-nerved, thrice as long as the frirrow, half as long again as the oblong, 3-gonal ache- 

 nium : furrows winged ; stamens 3. — Allied to C. oostachyus, Ns. !, in which the spikes are 

 shorter and rounded, the glumes longer and twice as long as the achenium. I'-IJ' high, 

 slender; leaves l"'-li"' broad; spikes about 6, 6"'-10"', spikelets 3"'-4"', glumes IJ'" 

 long: the nerves of the latter prominent. — Hab. Jamaica], 2l., March, Wullschl. 



34. C. cyclostachyus, Gr. (n. sp.). Boot fibrous; stem slender, 3-angular, glabrous : 

 one side narrow, channelled; leaves linear, flat; heads orbicular from spreading and re- 

 curved spikelets, unequally umbellate, central subsessile : involucre long, spreading, 4-6- 

 leaved; spikelets somewhat distichous, approximate, lanceolate-linear, greenish ani pale, 

 3-i-Jlowered ; fertile glumes oblong or oblong-lanceolate, bluntish, 7-9-nerved, thrice as 

 long as the furrow, twice as long as the oblong achenium : farrows narrowly winged ; sta- 

 mens 3 ; style 3-partite, exserted.— Allied to C. ovularis, Torr. 12"'-6"' high ; leaves 



• 1"'-14"' broad; heads usually 5, 5"'-6"' diam. : exterior peduncles V'-lV long; spike- 

 lets 20-40, 3'", glumes 1^" long.— Hab. Jamaica !, March. 



*** Spikes clustered (rarely a few peduncledj : spikelets turned to all sides. 



35. C. flavamariscus, Gr. Rhizoma shortly creeping ; stems approximate, tumid at 

 the base 3-quetrous, glabrous ; leaves linear, flat ; spikes shortly oblong-cylindrical, blunt, 

 clustered (rarely a tew pednncled): involucre 3-6-leaved: 1-3 leaflets long, spreading; 

 smkelets densely approximate, imbricate, lanceolate, yellotcish or variegated with brown, 

 2-li-flowered ■ fertile glumes ovate-oblong, bluntish, many-nerved, twice as long as. 



