1060 OXCIX. CYPERACEJE. [Rhynchosporec. 
Ri. armerioides, Presl, Rel. Hsenk. 197, t. 31, f. 2, à Neesio ad Haplostylem velata, nobis CepAhalo- 
scheno aflnior videtur. Bractew involucrantes oo-seriatim imbrieatze spiculas non excedentes, 
quam in Z. globosa minus rigidze acuteeque, et potius paleacex quam coriacez. Stylus longissimus 
est et indivisus v, vix 2-dentatus, nee alte 3-fidus ut a Preslio errore quodam descriptus. 
4. Echinoschemus. Capitula globosa Zaplostylis, sed plura secus caulem sessilia v. nonnulla in 
corymbum parvum terminalem disposita. Species Americans tropicx. Hue pertinent E. exaltata, 
Kunth (EcusoscnaNus, Nees in. Linnea, ix. 297, et in Mart. Fl. Bras. ii. i. 191, 7. 10), setis hypo- 
gynis 0, et MES Kunth, affinesque pauez (ErmerionuyxcurvM, Nees l.c. 134, 7. 12), setis 
hypogynis evolutis, Rudge, PI. Gui. t. 17 (Schenus). 
5. Calyptrostylis. Spieule plus minus faseieulatz, faseieulis numerosis in panieulam termina- 
mi i posi: :bellife v. subeorymbosam dispositis, additis ssepe panieulis 
minoribus in axillis ioril d latis. Bractese exteri. spe longo foliacec involucrantes. 
Sete hypogynz ovolutw. Species plures sepius valido, inclusa 7^ aurea, Vahl, tam in America 
tropiea quam in. Asia late diffusa. Fudge, PL. Gui. (. 18 (Schenus). CarxPrRosTYLIS, Nees in 
Linnea, ix. 295. j 
Cxnarosciaus, Nees in. Linnea, ix. 296, species 2 continet boreali-Americanas a. Calyptrostylibus 
tropieis parum distinetas spieulis majoribus valde elongatis et nucibus longe rostratis. 
In R. polyphylla, Vahl, spiculis anguste paniculatis et in 7?. corymbifera, Noes, forteque in non- 
nullis aliis rostrum in nuce artieulatum mox delabitur. 
B. Dichostylese. Spicule polymorphe, interdum 2-4-carpice, laze corymbose v. subumbellato- 
gpaniculate, via: fasciculate, panicula rarius in capitulum ovoideum v. elongatum contracta, Stylus ad 
mediwin v. altius divisum 4n ramos stigiatosos 2 tenuiter Jüliformes. 
6. Eurhynchospora. Herb nune tenues v. filiformes, nune elatze foliacere, inflorescentia terminali 
nune corymbosa parum diffusa, nune decomposita rhachi communi breviter producta v. in capitulum 
ovoideum contracta. Spicule anguste, l-2-earpiez, v. rarius ovato-conieze 3-A-carpicie. Sete 
hypogyne varie v. 0. Species nonnulle latissime disperse, tam in orbe vetere quam in novo, pro 
maxima tamen parte Americanz, —Hos!, Graz. Austr. iv. t. T2 (Schenus). Reich. Ic. Fl. Germ. 
1.286. Benth. Fl. Austral. vii. 848.  Presl, Symb. Bot. t. 36. Wawra, Bot. Maxim. Reise, t. 90. 
Haroscuaxvs, Nees in. Linnea, ix. 296, species includit FEurhynchospore: quibus setze hypogyno 
minutissine v. sepius omnino deficientes, et ideireo a Kunthio ad Diehromenam translatas. Spieulse 
sepius tenues v. minime, sed in Z.. mexicana aliisque austro-Amerieanis a Neesio sub Psilocarya 
enumeratis, ovato-conieze sunt, forme iis Scirpi quod d : sed sepissime 2-earpiezm. 
Gera, Nees in Mart, Fl. Bras. ii. i. 7. 8, specios 2 Americanas continet (R. diodon et R. 
lunata, Griseh.), habitu tenui et eorymbo laxo parum diffuso fere Ro. (Eurhynchospore) albe, Vahl, 
sed nucis rostrum breve, latissimum, apiee breviter 2-3-eornutum. 'SrERwODON, Beauv. in Lestib. 
Essai Fam. Cyper. 27, Nees in. Mart. Fl. Bras, ii. i. £. 8, a Ptilocheta differt Setarum hypogynarum 
deficientia. 
Ti. Cephalotes, Vahl ; Rottb. Descr. et Ic. Pl. 61,2. 20 (Schuenus), species Americana tropica, a ezeteris 
Eurkynchosporis differt spiculis numerosis in eapitulum erassum ssepius ovoideum densissime con- 
fertis. In RH. cariciformi, Nees, spiculze densissime eonfertz, sed spicam oblongam subramosam v. 
anguste thyrsoideam formant. 
R. ruppioides, Benth. in Hook. le. Pl. t. 1344, simul o Coylona et e Paraguay recepta, insignis est 
caule foliis b isque in aqua sub is filiformi-capillaeei: 
CarvrrnorxPis, Steud. Syn. Pl. Glum. ii. 151, est Re. oligantha, A. Gray. 
7. Pleurostachys. Corymbi laxi v. densiuseuli, secus caulem plures, ad axillas sessiles v. breviter 
peduneulati. Spieulze parvze, sepius 1-carpiez, breviter ovate, vix aeuminate. Stylus setze hypo- 
gynie et nuces omnino Eurlynchospore. Species ad 14, omnes Ameri tropiem. Pr 
Brongn. in Duperr. Voy. Cog. Bot. 172, t. 31; Kunth, Enum; Pl.ii. 284 ; Steud. Syn. Pl. Glum. ii, 138 ; 
JBackel. in Linnea, xxxvii, 643, et xxxviii, 223; Nowocnroa, Nees in Linnea, ix. 999, non Beauv. 
Nrwocnroa, Nees in Mart. Fi Bras. ii, i. 148, t. 14, 15, excl. syn. Beauv.; Wawra, Bot. Mazim. 
Reise, t. 92. i» 
Seetio inflorescentia et spieularum indole sat distineta 8i includas 7. sparsam, Vahl, affinesque 
nonnullas a Backelero in Ithynchospora retentas, et. P. strictam, Kunth, excludes, Beckeler Pleuro- 
stachyn a Rhynchospora distinguit styli basi eum ovario continua, quod tamen vidimus in omnibus 
fere Rhynchosporis sub anthesi, et nucis rostrum bene disti est in Pl. Ai ut in ecteris 
Thynchosporis, oes nuper Nemcchloam a Pleurostachi distinxit forma rostri, quod tamen in toto 
genere siepe variat, de specie in speciem. TES 
