Tab. i6. PANICUM decumbens 



Culmis decumbentibus, inferne repentibus^ fasciculato-ramosis^ ramis floriferis 



■ - * 



w 



, monostachyis^ foliis lanceolato-linearibus, planis, rigidis , ciliatis, pubes- 



centibus^ vaginis nodisque pilosis^ spica arcuato-falcata; spiculis unilateralibus 



^ 



geminis, biseriatis, obovatis, glabris; flore hermaphrodito tuberculato; neutro 

 bipaleaceo. 



anicum decumbens Roem. et SchulL SysU 2. p. 4 2^. , Nees ab Esenb. Flor. 



M 



Bras . 2. p. 10 y. 



Paspalum decumbens Swartz Flor^ Ind. occid. i, p, i38, (teste specim. in 



herb, Beauv,) 



- Paspalum nutans Lam, lll, i, p, lyS, (teste Flugge 'J^ Poir, Encycl, S, 

 p, 28, 



Paspalum pedunculatum Poir. Encycl, Supp, 4. p, 3iS, 

 anicum curvistachjum Raddi. Agrost, Bras, p, 26. ( teste Nees ab 



Esenb.J 



t 



Crescit in Jamaica, Guiana Gallica et ad fluvios Amazonum et Rio Negro 

 (Nees ab Esenb.) 



.;■ 



Culini decumbentes ^ inferne repentes, ramosi, subpedales; rami teretiusculo-trigoni , interne 



r 



canaliculati, glabri ; inferiores terni e qualibet vagina j summi (floriferi) septeni vel noni, inae- 

 qtiales^ monostachyi, filiformes, sulcato-triangulares, puberuli. Vagina propria aphyUa, lineari-lan- 



ceolataj acuta, membranacea, fuscescens, glabra, spathiformis, i5-i6 lineaslonga, ad bas im cujus- 



libet rami ramulique eumque inferne involvens. Nodi piloso-barbati. Folia lanceolato-linearia, 

 apice angustato-acutata, basi rotundata, striato-nervosa, membranaceo-rigida^ plana, nervo medio 

 subtus carlnato-prominente , utrinque pubescentia, ciliata, 2-2i pollices longa, 3-3i lineas lata. 

 Vaginae compressae, striato-nervosae , membranaceae , pilosae, margine dense ciliatae, i5-2i 

 lineas longae, tardius solutae. Ligula brevis, membranacea, glabra, irregulariter fissa. Spica 

 arcuato-subfalcata, 5-1-poIHcaris^ rhachis externe convexa^ glabra, interne ad hasim pedicel- 

 lorum pilis nonnuUis moUibus ohsita. Spiculae unilater ales , geminae, amhae brevissime pedicel- 

 latae, alternae, biseriatae, cum pedicello articulalae, obovatae, obtusae, biflorae; flore inferiore 

 neutro, superiore hermaphrodito , utroque bipaleaceo. Glumae duae, valde inaequales, glabrae^ 

 inferlor abbreviato-rotundata , tenuiter membranacea , concava , enervia , ciliata 5 superior 

 subrotundo-obovata , obtusa , concava , membranaceo-herhacea , quinquenervia , flore herma- 

 phrodito ibrevior. Flos neuter florem hermaphroditum paulo superans : paleae herbaceae, glabrae^ 

 inferior subrotundo-obovata, trinervia , planiuscula , marginibus inflexis paleam superiorem et 



Cel. Nees ab Esenbeck ad Paspalum dissectum Linn. ducit 



53 



