326 FLORA VITIENSIS. 
Caryopsis oblonga, compressiuscula, intra paleas induratas libera.— Gramina; rhachi spicata, con- 
tinua, spiculis unilateralibus. 
1. P. scrobiculatum, Linn. Mant, vol. i. p. 39; Kunth, Enum. vol. i. p. 53; Willd. Spec. 
vol. i. p.320; Flugge, Monogr. p. 86; Roxb. Flor. Ind. vol. i. p. 281; Trin. Ic. p. 12. t. 143; 
spicis paucioribus, alternis; rhachi plana, recta, spicularum latitudine; glumis subrotundis, obtusis, 
glabris; foliis superioribus nudis. 
Var. Pedicellis in media rhachi 2-partitis; glumis 8-nerviis.— P. orbiculare, Forst. Prodr. n. 
35; Brown, Prodr. vol. i. 188; Willd. Enum. p. 89. Nomen vernac. Vitiense, “Co dina” us 
the genuine grass).—In meadows, Ovalau, Viti Levu, ete. (Seemann! n. 682), Gau (Milne aud 
M'Gillivray!). Also collected in the Tongan (Capt. Cook !), Society (Banks and Solander! Bar- 
clay !), and New Hebrides group (Milne! M‘Gillivray !). 
This grass is much used by the natives for strewing the floors of their houses and public build- 
ings (bures). 
XIII. Olyra, Linn.; Kunth, Enum. vol. i. p. 68. Spicule 4 et 2 in eadem panicula; hæ 
terminales 2-florz (flore infer. 1-paleaceo, neutro, glume simili) ; illze 1-floree; 4 glume 2, membra- 
naces, concayz, inferior acuminato-aristata; superior (rectius palea floris infer. flore super. aborti- 
ente?) 2-nervia. Palee 0. Stamina 3. Squamule 3, subcarnose, glabre. Fl. 9: Gluma 1 (altera 
infer. 0) membranacea, concava, acuminato-aristata.  Palez floris 9 2, coriaces, paleis breviores ; 
inferior concava, superiorem parinerviam arcte involvens. Stamina 0. Ovarium glabrum. Stylus 
l. Stigmata 2, pilosa, pilis ramosis pubescentibus. Squamule 3, subcarnosz, glabre. Caryopsis 
glabra, libera, paleis inclusa. —Gramina foliis latis planis membranaceis nervosis; paniculis termina- 
libus, rarius axillaribus et depauperatis, simplicibus v. ramosis; spiculis cum pedicello articulatis. 
1. O. micrantha, H.B.K. Nov. Gen. vol. i. 199; foliis oblongis angustato-acutatis, basi rotun- 
dato-subcordatis vaginisque glabris, margine glabris; panicula ramosa patula, inferne d, superne 9 ; 
ramis verticillatis ramulisque hirtello-pubescentibus; glumis 9 acuminato-subaristatis; hispidulo- 
scabris; paleis punctato-scrobiculatis.—Bua or Sandalwood Bay, Vanua Levu (U. S. Expl. Exped. !). 
Also found in the Orinoco region, S. America. 
XIV. Coix, Linn. Gen. n. 1043; Endl. Gen. n. 743. Flores moneeci, spicati; spicule 3, basi- 
lares, media sessilis 9, laterales pedicellatee neutree, involucro ovato apice perforato, demum lapi- 
descente incluse, 4 in spica v. panicula ex involucro exserta. Fl. g: Spicule 2-flore, flore utroque 
sessili. Glumæ 2, mutice, inferior planiuscula, marginibus carinato-alatis, superior 8-gono-concava. 
Palez 2, mutice, superior 2-carinata. Squamule 2, glabre. Stamina 3. Neutri: Spicule mi- 
nime, szepe ad pedicellum reductee. Fl. 9: Spicule 2-flore, flore inferiore neutro. Glume 2, car- 
nosz, concavee, muticz. Neutr.: Palea 1. Fl. 9 perf. Palez 2, carnosæ, superior 2-nervis. 
Squamule 0. Stamina effoeta, minuta. Ovarium sessile. Stylus 1; stigmata 2-3, elongata, 
pilosa. Cafyopsis subglobosa, demum intra involucrum libera.— Gramen annuum, ramosum, 
culmo farcto; foliis latiusculis planis, spicis fasciculatis, pedunculatis.— Lithagrostis, Grtn. Fruct. 
Vol, 1. p, 7, € T. 
1. C. Lachryma, Linn. Spec. 1378; Kunth, Enum. vol. i. p. 20; Rumph. p. 5. t. 75. £. 2; 
Rheede, p. 12. t. 70; Lam. Ill. t. 750; Willd. Spec. vol. iv. p. 202; culmo superne semitereti, 
obtuso; floribus nudis; fructibus ovatis.— C. arundinacea, Lam. Eucycl. vol. iii. p. 422. Lith- 
