CYPERACE^. 569 



nisty ; fertile glume membranaceous at the margin, oblong, bluntish, h-'7-tierveii mth the 

 lateral nerves delicate, twice as long as the obovate-oblong achenium : uppermost glume 

 exserted, sharply keeled ; stamens 3 ; style 2-fid. — SI. t. 87. /. 2. — Moriscus, V. K. glo- 

 bosa, P. B. K. vaginata. Lam. {ex parte). — Stems approximate along the rMzoma, 2'-l^' 

 high, triquetrous at the tapering summit ; heads dense, 6"'-4"' diam. ; spikelets l-s"'-2"' 

 long. — Hab. Jamaica!, Pd., March, AL, on the seashore; Antigua!, Wullschl,; Trini- 

 dad !, Or.; [Haiti and Mexico to Ecuador ! ; tfop. Africa]. 



8. REMIREA, AuH. 



Spikelets l-ilowered : 3 or more inferior glumes empty, the uppermost fertile, at length 

 leathery, including the achenium. Stamens 3. Style 3-fid ■ the achenium beaked by its 

 base. — Rhizoma branched ; stem densely leafy ; leaves riyid, spreading, channelled, taper- 

 ing into a pungent point ; heads dense, several in a cluster. 



41. TR. vnarititaa,, Auil. leaves subdistichons ; clusters sessile. — 3"— 4" high; leaves 

 l"-li", clusters 4"'-6"' long ; sterile glumes many-nerved, pale or pale-brown, the fertile 

 dotted. — Hab. Trinidad !, Pd., Or., on the seashore ; [Panama ! to Rrazil ! ; West coast of 

 trop. Africa]. 



4. ABILDGAARDIA, V. 



Character of Cyperiis, but fertile glumes becoming 3-stichons by torsion of the rhachis, 

 style jointed at the base, and achenium mostly tubercled or winged. — Spikelets compressed : 

 rhachis a»«^e(? ,■ style 3 -^i^. 

 ^' 42. A. monostachya, V. Perennial ; stem usually exceeding the narrow leaves ; spike- , 

 lets single (-2), terminal, ovate, pointed, pale, many-flowered ; glumes 3 -nerved at the 

 keel, 2 lowest empty, mncronate ; achenium tubercled, 3-costate-snbglobose, shortly stipitate. 

 ^Sl. t. 79. /. 2. Rotti. Descr. I. 13. /. 3.— Cyperus, i.— 4"-6"(-12") high ; spikelets 

 3"'-4"' long.— Hab. Jamaica !, Wils.; Antigua!, Wullschl., Dominica!, Imr. ; Trinidad!, 

 &eh. ; [Cuba ! to Brazil ! ; East Indies ! to the Cape and Australia]. 



Tkibe II. SCIBPEM. — Flowers hermaphrodite (or polygamous) : scales 

 imbricated all round. 



5. SCIRPUS, L. 



Glumes devoid of included scales, most fertile, or 1-2 lowest sterile : the flower often sup- 

 ported by bristles. Achenium headless, or crowned vrith the thickish base of the style. — 

 Spikelets single, or cymose. 



Sect. 1. Eleochakts, U. Br. — Flowers supported by bristles (or the bristles sometimes 

 ' abortive). Achenium jointed with the persistent, thickish base of the style (the tubercle). 



— Spikelets single terminating the naked stem. 



* Stem striate, knotless, and devoid of distant transverse partitions of the pith. 



43. S. rctxoflexus, Foir. Rhizoma filiform, fibrous at the tufts ; stems low, angular, 

 capillary, knotless, rffCMTO^i?,- spikelets e)li-pt\ca!L-db\Qns, few-floieered ; glumes few-ranked, 

 oblong, bluntish, the lowest half as long as the spikelet or longer; style S-fid; achemum 

 pale, obovate, 3-keeled with convex, delicately and densely striate sides, exceeding the 

 bristles: tubercle small, conical, pointed.— Cy^emi depanperatus V (Eleocharis, .?M.). 

 Cha!tocyperus polymorphus a, Ns. Ch. mgulosus, Ns. I l'*-3"(5'') high ; spikelet l";-2" 

 long, pie, or purple-variegated: flowers 2-6, lowest glume f'-T" long^ -Hae. Jamaica ! 

 P«^! rife!, in ponds and wet places; Dominica, 7»«r. ; Trinidad, Cr.; [Cuba! and Mexico ! 

 to Brazil!]. 



44 S exiguus, Kth. Rhizoma creeping ; stem long, angular, capiHary, knotless ; 

 spikelet elliptical-oblong, &-n-flowered; glumes few-ran]«d oblong bluntish, subeqaal; 

 style 3-2-fid; acheniumpaU, obovate, subcompressed, 3-tefe«f v,ith 2 turgid-convex, smooth 

 sides, exceeding the few bristles, or bristles wanting: tuiercledepressed-mamillarflatUsh 

 shortly Mucronate at the c^Kfo-e.-Eleocharis, Schult.-Rzhii of S. aciculans, L., 3"-5' 



