GRAMINEiE. 547 



a. Leaves 3 '"-5"' broad : sheath often glabrescent ; panicle 3"-4" long : branches scat- 

 tered. — P. reticulatum, PI. Carib. 



)8. fasciculatum, Sw. Stouter; leaves G"'-ll"' broad; panicle 6"— 3" long: lower 

 branches half-whorled. — P. paludicola, tyntl. : the Guadeloupe-plant {non Ns). 



Hab. Jamaica !, all coll., a, along watercourses, |8, in pastures ; Trinidad !, Cr. (/3) ; 

 [Cuba ! and Mexico ! to Brazil ! ; Texas ! ; Galapagos !] . 



94. F. flavescens, >S>. Annual, erect ; leaves lanceolate-linear or elliptical-lanceolate, 

 acuminate, cos/ate, pilose or glabrate ; panicle spreading -. branches simple, scattered : axis 

 bearing bristles and hairs ; spikelets glabrous, erect, irregidarly one-sided ; lowest glume 

 broadly ovate, bluntish, 3-nerved, one-quarter to one-third as long as the spikelet, second 

 7-5-nerved, two-thirds as long as the fertile flower, third equalling it, 5-nerved: nerves 

 not connected ; fertile flower ellipsoidal, pointed, slightly compressed from the back, 

 dotted. — P. paractaenioides, Tr. — Allied to P. palmifolium, 1£'— 4' high; leaves 3"-8" long, 

 4"'-14"' broad : the broader ones plaited : sheath softly pilose ; panicle 4"-8", spikelets 1"' 

 long, the latter yellowish-green or with a purple tinge. — Hab. Jamaica I, Wullschl., Pd., 

 March, S. Andrews, Manchester, in arid places, Bluefield mountains in Westmoreland; An- 

 tigua !, Wullschl. 



95. P. palmifolium, Poir. Stout ; leaves long, elliptical-lanceolate, narrowly acumi- 

 nate, plaited-costale, delicately pilose beneath; panicle long, dense: branches spreading- 

 erect, long, inferior compound, racemiform : axis slightly scabrous, bearing bristles ; spike- 

 lets glabrous, erect, irregularly one-sided ; lowest glume ovate-oblong, with bluntish point, 

 5-3-nerved, half as long as the spikelet, second 7-5-nerved, as long as the fertile flower, 

 third exceeding it, 5-nerved ; fertile flower ellipsoidal, pointed, slightly compressed from 

 the back, dotted. — P. plicatum hailiense, Kth. : probably confounded with the East Indian 

 P. plicatum, Lam., Koxb. (Jacq. Eclog. Gr. t. 1. Trin. Ic. t. 223), in which the lowest 

 glume, is much shorter and ovate-rounded. Leaves 12"-16" long, l"-2" broad ; panicle 1£', 

 inferior branches 6", secondary ones 6'" long, the latter appressed ; spikelets green, IV 

 long, exceeded by the scattered bristles.- Hab. Jamaica !, March ; [Haiti {ex syn. Kth.)']. 



96. P. sulcatum, Aubl. Stout ; leaves long, elliptical-lanceolate, acuminate, plaited- 

 costate, glabrescent ; panicle long, dense : branches short, spreading, inferior compound, 

 racemiform : axis scabrous, bearing bristles ; spikelets glabrous, erect, one-sided ; lowest 

 glume ovate-roundish, blunt, 5-3-nerved, one-third as long as the spikelet, second 7-5- 

 nerved, half as long as the fertile florver, third equalling it, 5-nerved ; fertile flower ellip- 

 soidal, pointed, half-terete, slightly dotted. — Setaria, Bert. — 4'-G' high ; leaves and panicle 

 of the preeeding, but branches shorter, the largest usually 2" long, bristles more numerous, 

 and spikelets 1'" long. — Hab. Trinidad !, Sch. ; [Mexico ! to Brazil !]. 



97. P. molle, Sw. Perennial, stout, ascending; nodes villous; leaves long, linear- 

 acuminate, glabrescent ; panicle lax : branches mostly simple, somewhat distant (or a few 

 fascicled) : spikelets glabrous, one-sided, spreading ; lowest glume deltoid, small, one-fourth 

 as long as the spikelet, 1-nerved, 2 superior equalling the fertile flower : 5-nerved : nerves 

 not connected; fertile flower roundish-ellipsoidal, bluntish, half-terete, slightly dotted. — 

 Trin. Ic. I. 318. — P. barbinode, Tr. P. guadalupense, Sleud. P. Meyerianum, Ns. (in PL 

 Spruce). P. sarmentosum, Roxb. P. punctulatum, Am. — 6'-2' high, pubescent or gla- 

 brate ; panicle greenish, 6"-8" long : branches spreadiug, about 2", spikelets 1"' long. — ■ 

 Hab. Jamaica !, naturalized as an excellent pasture-grass, Wilt. ; Trinidad !, Cr. ; [Cuba ! 

 to Brazil ! ; trop. Africa ! to the Cape ; East Indies !]. 



*** Fertile flower smooth. 



98. P. oryzoides, Sw. ! Perennial, stout, ascending, glabrous (or glabrescent) ; leaves 

 cordate-lanceolate, acuminate ; panicle lax : branches simple, distant : spikelets large, 

 glabrous, irregularly one-sided, erect ; glumes exserted with a minute, bluntish appendage at 

 the pointed summit, lowest ovate, 3-nerved, exceeding half the spikelet, 2 superior equalling 

 the fertile flower, 5-nerved ; fertile flower elliptical-oblong, smooth, half-terete. — Kth. Rev. 

 t. 28.— P. zizanioides, Kth.— 5'-2' high; leaves 3"-G" long, 5"'-10"' broad, panicle 6"- 

 8" long, green: branches 3"-4" long; spikelets distant, 3'" long. — Hab. Jamaica!, Sw., 

 Al., March, Wullschl., in mountain-woods; [Guiana!, Brazil!]. 



99. P. stenodes, Gr. Annual, eaespitose, erect, glabrous : leaves setaceous-linear, in- 



