394 FLORA VITIENSIS. 
IX. Cenchrus, Linu, Gen. u. 1149; Endl. Gen. n. 783. Spiculz 2-floree, flore inferiore dv. 
neutro, superiore ¢, nune 1, nunc 2 v. ©, intra involucrum oo-fidam, extus setis stipatum, eum 
3 J 
fructu induratum et deciduum congeste. Glam 2, ineequales, membranace. Fl, ¢: hermaphro- 
dito subeonformis, interdum paleze superioris et staminum abortn neuter. Fl. 3: Pale 2, subeo. 
riacese, concavee, inferior superiorem amplectens. Stamina 3. Squam als: a Ovarium sessile, 
Styli 2, elongati, interdum basi subconnati ; stigmata plimdsa, pilis simplicibus, denticulatis, 
Caryopsis compressiuscula, intra paleas libera.—Gramna ug propa annua, culmis seepissime 
ramosis; foliis planis; spicis terminalibus, simplicibus ; spiculis sessilibus; rhachi continua. 
1. C. anomoplexis, Labill. Austr. Cal. p, 14. t. 19; Kunth, Enum. vol. i, p, 167; involuero 
sub-10-partito; laciniis subulatis, pilosis; denticulis ad apicem retrorsis, unica ceteris longiore ; 
spiculis solitariis, ternis,—C. australis, var. foltis latioribus, Spreng. Cur. Post. 33,—In dry places, 
Oyalau (Seemann! n. 688). Also collected in New Caledomia (M‘Gillivray!), Pitcairn Island 
(Cuming !), and the Hawaiian (Macrae !), Tongan (Sir EH. Home !), Samoan (U, S. Expl. Exped,!), 
and Society Islands (Banks and Solander !). 
X. Oplismenus, Palis. Fl. Owar. vol. nu. p. 14; Endl. Gen. n, 778. Spicule 2-flore, flore 
inferiore ¢ v. neutro, superiore hermaphrodito. Glumze 2, inzequales, concave v. subcarinate, sapis- 
sime aristate, Fl, @¢: Pale 2, inferior aristata. Stamina 3, interdum palea superiore et stamini- 
bus abortivis neuter, FI. 9; Paleze 2, subequales, inferior acuminata, mucronata, superiorem pari- 
neryem amplectens. Squamulz 2, collaterales, truncate. Stamina 3. Ovarium sessile. Styli 2, 
terminales, elongati; stigmata plumosa, pilis simplicibus, Caryopsis intra paleas libera.—Gramina 
planifolia ; spiculis spicatis ; spicis racemosis paniculatisye ; rhachi continua.—Orthopogon, BR. Brown, 
Prodr. 194. Hchtnochloa, Palis. Agrost. p. 53. t. 11. fig. 2. 
1, O. Burmanni, Palis. Agrost. p. 54; Kunth, Enum, vol. i. p. 189; Humb. Bpl. et Kunth, 
Noy. Gen, vol. 1. p. 106; culmis ramosis foliisque pubescentibus, ovatis; spicis subquinis; rhachi 
communi, partialibus glumisque pilosis, avistatis; flore neutro unipaleaceo,—Panicum Burmanii, 
Retz. Obs. 3. p. 10; Willd. Spec. vol. i. p. 339 (excl. syn. Ard.) ; Roxb. Fl. Ind. vol. i. p. 298; 
Trin, Ie, p. 17. t. 198. Panicum hirtellum, Linn, Ameen, Acad. vol, vy. p. 391; Burm. Ind. p. 24, 
t. 12. f.1, Orthopagon Burmanni, R. Brown, Prodv. vol. i. p. 194. Panicum bromoides, Lam. Il. 
p, 170; ejusd. Eneyel. vol. iv. 742 (Rumph, Amb. vol. vi. t. 5. f. 3). Panicum album, Poir, Encyel. 
Suppl. vol. iv. p. 274. O. albus, Roem. et Schult. Syst. vol.ii, p. 890. Hehinochloa hirtella, Schult. 
Mant. vol, ii. p. 269. O. Humboldtianus, Nees ab Esenb, in Mart. Bras, vol. ii, p. 264; Presl in 
Rel. Henk. vol. i. p. 822. 0. Brasiliensis, Raddi, Agrost. Bras. p, 400, 
Var. B; foliis purpurascentibus.—Nomen vernac. Vitiense, “Co damudamu” (i.e. the red 
grass).— Viti Levu (Seemann! n, 679). 
Var. ¥; foliis albo-striatis.—Viti Levu (Seemann ! n. 680). 
Both these varieties are cultivated by the natives in the interior of Viti Levu, on account of their 
pretty foliage, and they are sometimes seen naturalized, if not actually wild in that island. 
: 2. O. compositus, Roem. ct Schult. Syst. vol. ii. p. 484; Kunth, Enum. vol. i. p. 141; gpicu- 
ue se-floris ; floribus geminis, hirsutis ; glumis ambabus aristatis; exteriore parum majore; i 
terioris arista abbreviata; flosculo neutro mucronulato; foliis lanceolatis—Panicum composilum, 
Linn, Spec, p. 84; Willd. Spee. vol, i. p. 346 (Houtt. t. 96. f, 1); Trin, Ic. p. 16. t. 187. Pm 
