536 GRAMINBiE. 



constrioted ; leaves broad; gradually tapering-acuminate from the obliquely truncate, petioled 

 Ijase,; sheath haijry or glabrate, shortly ciliate at the truncate ligule ; panicle spreading : in- 

 ferior irancAes ^ , superior terminated by a single ? spileelet j spikelets glabrous ; S glume 

 ' tailed with a bristle, $ sterile glumes subulate-tailed : tail of the inferior longer : flower 

 ellipsoidal, hairy at the base and summit, polished-white. — Trin. le. t. 347. — Several stems 

 from the root, 3' high; most leaves 2^"-li" broad, 8"-4" long, several only 6"'-8"' broad. 

 — Hab. Trinidad I, Pd,, in wet savannas ; [Brazil !]. 



** Racemes axillary, uppermost $ (Lithachne, P. 5r.). 



41. O. pauciflora, 5w. Stems slender: nodes prominulous and constricted; leaves 

 ovate-lanceolate, acuminate, often obliquely truncate at the base, uppermost remaining con- 

 volute ; petiole hispidulous within : ligule truncate ; racemes axillary, much exceeded by the 

 leaf, uppermost $ , inferior terminated by a single ? spiltelet, $ below -it; spikelets gla- 

 brous; S glumes acuminate with a short bristle, ? sterile glumes tailed -acuminate : floKer 

 obversely deltoid, glabrous, shining-polished, white. — i". B. Agrost. t. 24. /. 2. — Stems 

 aggregate, about 1' high ; leaves 2"-3" long, 6"'-9"' broad. — Hae. Jamaica !, Pd., Mart., 

 WullscM., in arid, rocky woods, Manchester, Westmoreland ; Antigua !, Wullschl. ; [Cuba ! 

 New Granada!]. 



21. PHARUS, P. Br. 



Sp,kelets 1 -flowered, monoecions, geminate: one pedicellate 3, the other sessile ?. 

 Sterile glumes 2, membranaceous, fertile in g membranaceous, in ? coriaceous. Stamens 

 6. Stigmas 3. Caryopsis free : "embryo minute." — Leaves petioled, broad, 1-nerved ; 

 veins straight, slightly diverging from the midrib ; panicle spreading : branches spiciform ; 

 spikelets coloured: ? linear. 



Z' 42. P. latifolius, L. {non ?V.). Leaves obovate-oblong or elliptical-oblong, cuspidate, 

 scabrons beneath ; fertile glume little longer than the sterile pair, villous only at th« 

 exserted summit. — SI. t. 73. /. 2. Br. Jam. t. 38. /. 3. — P. scabra, Kth. P. ovalifob'us, 

 Mam.—W-S' high ; leaves 6"-8"(-3") long, li"-24" broad ; 3 spikelets IJ'", ? 5"'-6"' 



► long. — Hab. Jamaica!, all coll., common in moist woods; Trinidad!, Cr.; [Florida!, 

 Cuba ! and Mexico ! to Brazil!]. 



43. P. glaber, Kth. Leaves lanceolate-oblong, acuminate ; fertile glume twice or 

 thrice as long as the sterile pair, villous to the base. — Tuss. Fl. 2. t. 8. Besc. PI. 6. 

 t. 398 : compound of this and the preceding. — P. lancifolius, ffam. P. lappnlaceus, Lam., 

 Tuss. P. latifolius, Tr. {non L). — Stature and proportions of the preceding, but leaves 

 8"'-li" broad, glabrpus, rarely scabrous beneath. — Hae. Jamaica !, Wullschl., Manchester ; 

 Antigua !, Wullschl.; [Cuba !, French islands ! ; Venezuela !, Brazil]. 



22. ZEUGITES, P. Br. 



Spikelets 2-4-flowered : lowest flower ¥ , approximate to the pair of sterile glumes, the 

 other 3, distant. Glumes membrgnaceous-herbaceons, 3-9-nerved, sinuate at the truncate 

 summit, not indurated. "Embryo minute."— Stems branched and geniculated below; 

 leaves petioled, broad and short .- sheath open ; panicle lax : inferior branches 2-3-na<e ; 

 9 flower twice as long as the sterile glumes. 



44. Z. americana, W. Leaves ovate, pointed : petiole, 2-lobed ligule, and constricted 

 nodes glabrous ; inferior branches of the green panicle ternate ; fertile ? glume awned at 

 the summit, as long as or little longer than the lower internode of the rhachis : awn erect, 

 half as long as or little shorter than the Sower.— Br. Jam. t. i.f. 3 — Apluda Zeugites L 

 Sw.—V-ST high ; leaves 2"-l" long, 10"'-6"' broad. Of the Continental congeners! 

 Z. mexicana, Tr. (Bespretzia, Kth.), has awnless spikelets, and the lowest 3 flower less 

 distant, and Z. colorata, 6r. (Venezuela, Fendl. coll. 2526), oblong-lanceolate leaves, 

 petioles pubescent within at the summit, coloured spikelets and the ? flower very shortly 

 mncronate.— Hab. Jamaica !, all coll., in the woods of the Blue Mountains, from 4000' up- 

 wards to the summit. 



