GRAMINEJ:. 549 



?'r^'S''n\»/T'^*'V",'"''""''P'=*'°''=^' panicle 7"-2", its inferior branches 1"-J"spike- 

 ets 14 -U'" long, the latter green.-IlAB. S. Vincent!, Guild.; Trinidad! &.• 

 [truiana I, JJrazu !]. ' ' 



105 P. stoloniferum, Pot>. Creeping, diifnse, softly Imwu; leaves short, striate 

 oblong-lanceolate, pointed; ■panicle short, spreading: branches simple, about twice aa long 

 as their internodes: spikelets ovate-lanceolate, glabrous, one-sided, d^exed; lov/est glume 

 «/So)A ji-uervcd, 2 mpenor subequal, almost twice as long as the ellipiieal-lanceolate, 

 pomted smooth half-terete fertile flower.-^i^,. He,, t. 22. Jh». Ic. t. 171.— P. ctenodes 

 Ji-.-Stems 6"' ong; leaves 8"' long, 2'" broad, usually equal at the subpetioled, rounded 

 base; panicle ] "-2", Its branches 4"'-6"', spikelets ]'" long, the latter ykwish^green.- 

 HAB. Innidad!, O., common in woods; [Guiana, Brazil]. 



§ 2. Panicle very loose, twice or more divided: inferior branches whorled, or half- 



whorled .- pedicels erect. 

 106*. P. maximnm, Jacq. Perennial, stout: nodes ("usually") viUous ; leaves 

 Imear-acummate or lanceolate-lineai-, dliate at the base and ligule ; panicle large ■ lower 

 branches whorled, raceraiform, usually bearing a few bristles : pedicels unequal, //j/orm .■ ' 

 spikelets elliptical-oblong, glabrous ; lowest glume short, ovate-rounded, ^ubincurved ' 

 2 superior little exceeding the fertile flower, 3-7-nerved ; third $ with a palea ; fertile 

 flower transversely wrinkled, half-terete.— Jacq. Ic. Rar. t. IZ.—V. jumentorum, Pers 

 P. trichocoudylum, Steud. P. fasciculatnm, PI. Carib. (non Sw^j—^'-W high ; panicle 



1 -li', spikelets IJ'" long.— Had. Naturalized and cultivated in Jamaica !, M. ; Antigua !, 

 Wullschl. ; S. Vincent, Oiiild. ; Trinidad ! Lk. ; [Cuba ! and Mexico ! to Buenos Ayres !, 

 once introduced from trop. Africa]. 



107. P. elephantipes, Ns. Perennial, stent: nodes glabrous; leaves broadly linear- 

 acuminate, ciliate at the base and ligule, delicately hairy on the upper side, glabrous beneath 

 and at the sheath ; panicle large : lower branches whorled, all diffuse : pedicels unequal, 

 angular .- spikelets oblong-lanceolate, glabrous ; lowest glume short, ovate-deltoid, 1-nerved, 



2 superior little exceeding the fertile flower, 7-5-nerved, third devoid of a palea ; fertile 

 flowers smooth, compressed from the back, acuminate. — P. fistulosum,'.ff»(;Aiif.— Stem V' 

 thick below, constricted at the brown nodes ; leaves long, 4"'-8"' broad ; panicle pale gi-een, 

 1'-1V> spikelets li"'-2"' long.— Hab. Jamaica!, Pd., in ditches, in the great morass of 

 Westmoreland; [Guiana!, Brazil!]. 



108. P. Rudgei, R. S., Ns. Woody below, rigid: nodes sericeous; leaves linear- 

 acuminate: sheath hispid with the bristles inserted into tubercles; panicles very diffuse, 

 terminal and axillary subapproximate, subsessile : lowest branches fascicled : pedicels long, 

 slender, angular: spikelets ellipsoidal, mucronate, lowest glum.e ovate-laneeolaie, 5-9- 

 nerved, exceeding half the spikelet, 2 superior exceeding the fertile flower, 7-9-nerved, 

 third S with a palea ; fertile flower smooth, elliptical, bluntish, compressed from the back. 

 — Rudg. Ouian. t. 29. — P. scoparium, Rudg. {non Mich.) P. cayennense, var. roajus, Tr. 

 P. cayennense. Lam. (P. cayennense, var. minus) is a very different, annual grass, belonging 

 to Miliaria.— 4'-6' high, li"'-2"' thick, variable in down; inferior leaves 3"'-5"' broad ; 

 inflorescence l'-3' long: the axillai'y panicles often exceeded by their supporting leaf; 

 spil^elets 1'" long. — Hab. Trinidad I, (?»•., in savannahs ; [Guiana!, Brazil!]. 



109. P. hirsntom, Sw. ! Woody below, erect : nodes sericeous ; leaves long, lanceo- 

 late-linear, glabrous, ciliate at the ligule : sheath hispid with spreading-erect bristles ; panicle 

 large ; lower branches half-whorled, secondary raceraiform : pedicels unequal, angular : 



■ spikelets, ellipsoidal, glabrous; lowest glume ovate, pointed, J-J as long as the spikelet, 

 S-nerved, 2 superior little exceeding the fertile flower, second 11-, third 9-nerved, the latter 

 with a palea, but neutral ; fertile flowers smooth, ellipsoidal, somewhat pointed, slightly 

 compressed from the hack.— 10'-12' (-4') high; lower internodes 8"-10" long, 6"'-8"' 

 thick; leaves 2' long, IV'-l" broad; panicle 1 '-2' spikelets l"'-f"' long. — Hab. Jamaica !, 

 Sw.; Trinidad!, Cr., Lagoon of Cedros; [Haiti]. 



110. P. altissimum, Mey. Woody, " arborescent :" nodes glabrous : leaves long, / 

 lanceolate-linear, acuminate, glabrous : ligule lacerate ; sheath hispid with the deciduous /i 

 bristles inserted into persistent tubercles ; panicle large : all branches whorled, simple, ra- 

 cemiform, naked below : pedicels short, distant, irregularly one-sided, angular : spikelets 



