FLORA VITIENSIS. e317 . 
$ -oc-gam:e. Pales oo-stiche imbricate.  Perigonii sete rigide, denticulatze. Stamina 3.. Ova- 
ritm stylo 2-fido. Caryopsis basi styli discreta, longirostris.—Plantz inflorescentia varia, panicu- 
lata, corymbosa v. spicato-capitata. 
Scheenus arundinaceus, Sol. in Forst. Prodr. n. 491 (sine descript.), from New Caledonia (Forster !), is a 
species of this genus, closely allied to R. thyrsoidea, Nees (R. scleroides, Hook. et Arn.), of the Sandwich 
Islands (Macrae!) 
1. R. aurea, Vahl, Enum. vol. ii. p. 291; Kunth, Enum. vol. ii. p. 293; culmo 3-angulari, 
foliato; foliis planis, rigidis, carina margineque scabris; cymis diffusis, ramosissimis ; spicis lanceo- 
latis, 1-4-floris; flore inferiore $; superioribus d ; achenio pyriformi, cutis piscine instar sca- 
brato, interdum obsolete transversim undulato, ferrugineo, nitido; rostro vix longiore, conico, per 
suleum exarato, concolori, apice scabriusculo, basi soluto; setis 7, scabris, fructum superantibus. 
— Scirpus corymbosus, Linn. Ameen. Acad. vol. iv. p. 303; ejusd. Spec. vol. i. p. 76. Scheenus 
corymbosus, Pers, Syn. vol. i. p. 59. S. Surinamensis, Rottb. Gram. p. 68. t. 21. f. 1. Cheto- 
sporea aurea, Humb. Bpl. et Kunth, Nov. Gen. vol. i. p. 231. Schenus floridus, Rudge, Guian. 
p. 15. t. 18 (fide Brown). R. florida, Dietr. Spec. vol. ii. p. 71.  Calyptrostylis Rudgei, Nees ab 
Esenb. in Linnza, vol. ix. p. 295. Cephaloschenus divergens, Nees ab Esenb. in Lannea, vol. ix- 
p.296. Rhynchospora corymbifera, Nees ab Esenb. in Linnea, vol. ix. p. 297. R. Surinamensis, Nees 
ab Esenb. l.c.— Viti, exact locality not specified (Sir. E. Home !). Also in tropics of both hemi- 
spheres. 
V. Hypolytrum, Rich. in Pers. Ench. vol. i. p. 70, excl. sp.; Endl. Gen. n. 988. Spiculz 
3. Palee 2-4, bractee contrarie, marginibus interdum antice v. postice, nonnunquam, utrinque 
inter se coalite, Stamina 2-8. Ovarium stylo 2-fido, deciduo. Caryopsis crustacea, ovoidea, 
compressa, apice suberoso-incrassata, mutica.—Herbe Fuirenz v. Cladii habitu; culmis foliosis, 
spicis cuneatis v, turbinatis, undique imbricatim bracteatis, per paniculas cymosas v. corymbiformes 
squarrosas dispositis.— 4/bikia, Presl in Reliq. Henk. vol. i. p. 284. . 
H. dissitiflorum, Steud., collected in the Hawaiian Islands (Menzies !), is closely allied to the following 
species. 
1, H. latifolium, Rich. in Pers. Syn. vol. i. p. 70; culmis 3-angularibus, foliatis; foliis culmo 
longioribus, late linearibus, planis, 3-nerviis, rigidulis, marginibus nervoque medio subtus spinuloso- 
serrulatis; corymbis in apice culmi paniculato-dispositis, foliis distinctis ; spicis (floriferis) cylindr a- 
ceo-oblongis ; squamis apice rotundatis, submucronatis, dorso sub-3-nerviis; propriis liberis, carina 
ciliatis; staminibus 2; fructu ovato-subrotundo, cum styli basi conica acuta confluente, obsolete - 
lacunuloso.—H. giganteum, Wall. Cat. n. 3404; Nees ab Esenb. in Wight, Bot. p. 93, et in Linnea, 
vol. ix. p. 288. Tunga diandra, Roxb. Fl. Ind. vol. i. p. 184. Schænus nemorum, Vahl, Symb. 
vol. iii. p. 8 (Rheed. Mal. p. 12. t. 58) ; ejusd. Enum. vol. ii. p. 227. Hypelyptum nemorum, Beauv. 
Fl. vol. ii. p. 13. t.67. H. diandrum, Dietr. Spec. vol. ii. p. 365. Albikia scirpoides, Presl in Rel. 
Henk. vol. i. p. 185. t. 35.—In swamps, Ovalau (M‘Gillivray! Seemann! n. 666). Also common 
in tropical Asia and Africa. 
VI. Fimbristylis, Vahl, Enum. vol. iii. p. 285; Endl. Gen. n. 998. Spicule co-flore, 3. 
Palee undique imbrieatz, infima vacua. Perigonium 0. Stamina 3. Discus membranaceus, in- 
teger, vix manifestus. Ovarium stylo 2-3-fido; basi bulboso-incrassata persistente. Caryopsis 
crustacea, nuda v. granulato-echinulata, compressa v. 3-gona, disco sphacelato exiguo stipata.— 
Stirpes; culmis enodibus, basi foliatis v. vaginatis; foliis angustis, sepius canaliculatis, margini- 
busque asperis, spiculis solitariis, capitatis v. in umbellam inequaliter radiatam dispositis, involucro 
abbreviato bractezeformi v. foliaceo suffultis. 
[PUBLISHED OCTOBER 1, 1868.] 9T 
