S78 CYPERACE^. 



eommnms, Kt/i. — 2'-4'higli; leaves 6"'-4"' broad ; aehenium 1'" diam., white (or black). 

 -:-Hab. Jamaica!, j1;.; Antigua!, Wullschl. ; Trinidad 1, Cr.; [Cabal to Brazil!]. 



92. S. melaleuca, Beichenh. Leaves linear : sheaths and tranches of the narrow 

 panicle narrowlg Z-mnged: ligule herbaceous, ovate-deltoid, bluntish ; Jglames 1-androus; 

 aehenium ovoid-globose, or globose, smooth, &)s.\n\a^,«mcronate with the truncate style-base: 

 disk broadly Z-lobed, interior adhering, exterior tardily separated. — S'-l' high; leaves 

 g"'_4"' broad; aehenium li"'-l"' long, blacl;, or white below a black summit. — Hab. 

 Jamaica!, Maef. ; Trinidad!, Lockh., Cr. ; [Panama!, Guiaaa!, Brazil!]. 



93. S. microcarpa., iVi. Leaves linear-acuminate, or lanceolate-linear: sheaths nar- 

 rowly Z-winged, with the wings tapering into keels below : ligule herbaceous, rigid, ovate, 

 or ovate-lanceolate, blunt ; panicle narrow : branches 3-qnetrous ; 3 glumes 3-androus, su- 

 perior $ shorter than the aehenium ; aehenium ovate-globose, smooth, shining, mucronate 

 with the truncate style-iase : exterior disk truncate, entire, exceeding the interior S-lobed 

 one: the former tardUy separated. — Ophryosoleria, ifit. — 3'-4'high; leaves 4"'-8"' broad; 

 aehenium li'" long, white (or black). — Has. j£imaica!, Al., Pd. ; Antigua!, Nichols. j 

 [Cuba ! and Mexico to Brazil !]. . 



94. S, mitis, Sta. Leaves lanceolate-linear, nearly devoid of asperities : sheaths 3- 

 mnged, with the wings tapering downwards : ligule herbaceous, rigid, bluntly deltoid ; pa- 

 nicle long, virgate : branches 3-gonal; <? glumes 3-androus; aehenium globose, %xa(xAh, 

 shiniug, with a minute, papillifonii point : disk entire, truncate, ciliate, adhering, not se- 

 parated from the interior, included S-lobed one. — Ophryosoleria, \2Vi. — High, "trailing;" 

 leaves 6'"-8"' broad ; aehenium li'" diam., white.^HAB. Jamaica !, Al. ; Dominica 1, Imr. ; 

 [French islands 1 to Brazil]. 



** Panicle short, spreading. 



95. S. scindens, iV«. Stout; leaves long, linear : sheaths •sio\,-ma%fA,%-heeled, with 

 the keels very sharply retrorsely serrulate-scabrous : ligule herbaceous, marcescent, rounded; 

 panicle short, spreading: branches 3-quetrous ; (? glumes 3-androus ; aehenium globose, 

 smooth, enamel-like-shining, with a papilliform point : interior disk Z-lobed, inserted into a 

 short carpophore, recurved at the margin of the lobes, exterior repand. — A " formidable 

 sedge, cutting the skin like a knife " \lm.r>i ; leaves 4"'-5"' broad ; aehenium li'" diam., 

 white (or bluish -black). — Hab. Dominica !, Imr., in woods ; [Cnba!, Trench islands]. 



96. S. latifolia; Sw. I Stout ; leaves oblong-lanceolate, or lanceolate : sheaths 3- 

 winged, with the wings tapering towards the node : ligule herbaceous, bluntly deltoid ; 

 panicle short, dense, spreading: branches 8-quetrous, scabrous; Jglumes 3(-2)-androus; 

 aehenium globose, smooth, enamel-like-shining, with a terminal scar : interior disk indso- 

 dentate and Z-lobed, exceeding the exterior, the latter patellar, repand-entire. — 2'-6' 

 high ; aehenium l"'-li"' diam., white, blnish-variegated, or black. 



a. Leaves lanceolate, 1"— li" broad ; panicle pale ; aehenium rounded above. — S. arun- 

 dinacea, Kth. {sec. Ns.) Schizolepis latifolia, Ns. 



$. trigonoearpa. Leaves oblong-lanceolate, ] 4"-2i" broad ; panicle-branches green : 

 spikelets purplish-brown; aehenium with a very blunt summit and 3 (scarcely visible) 

 angles above. — Mart. Fl. Bras. 3. t. 26. — Schizolepis trigouocaipa, Ns. 



7. sylvestris, Kth. Leaves l"-2" broad ; panicle-branches and spikeleta purple ; aehe- 

 nium with a blunt summit, devoid- of angles.— Schizolepis sylvestris, Ns. Scleria cyano- 

 carpa, Kth. 



Hab. Jamaica!, Sw. (o), in dry mountain-woods of the Western districts; Dominical, 

 Imr. (/3, y), S. Vincent !, Guild. (7) ; Trinidad 1, Loekh., Pd. Ifi, 7), in woods and savan- 

 nahs; [French islands ; Venezuela!, Guiana!, Brazil.]. 



97. S. flagellum. Berg., Sw. {non Kth.) High, trailing ; leaves linear-acuminate : 

 sheaths not winged, Z-gonal, retrorsely scabrous : ligule searious-membranaceous, blunt ; 

 panicles terminal, and axillary, short, lax : branches 3-quetrons, haii-y ; <J glumes 3-andi-ous, 

 superior ? including the aehenium ; aehenium globose, or ovate-globose, smooth, shining, 

 with a terminal scar : disk short, subeniire, exterior adhering, recurved at the tumid mar- 

 gin, including the interior ; the latter minnte, entire. — SI. t. TS.f. 1. Sw. Fl. f. 3.— S. re- 

 flexa, Kth. (Mastigoseleria, Ns.). Carex lithosperma, L. (Scirpus, i., ex syn. SI.). Schoenus 

 secans, £.—10'-15' high, cutting; leaves 2'"-3"' broad ; spiltelcts purplish-brown; ache- 



