PASPALUM SACCHAROrDES Nees ab Es. 

 Saccharum polystachyum Sw. R. ct S. II. p. 2 8 7. 



Radtx 



Culmus erectus, 2 — 3-pedalis, simplex, teres, sulcatus, ghv- 

 ber , ad nodos 5 — retusiusculos glabros et atros aequus 

 vel leviter geniculatus, totus vaginis inclusus aut sub juba 

 non longe nudus. 



Vaginae ad basin usque fissae, arctiusculae, internodiis longio- 

 res, sulcato - stviatae, glabrae aut ad fissurae margines aut 

 superne versus eosdem exasperatae et hirto - pilosae. Li- 

 gula margo transversalis angustissimus, villis longis arcte 

 ciliatus. 



Folia patula, linearia, subulato - attenuata, plana aut compres- 

 siuscula, pollicem dimidium lata et angustiora, glabra, striata, 

 nervo medio inferne forti et carinali versus medium eva- 

 nescente, pl. min. pedalia, superiora spithamaea. 



Juba basi panicularis, erecta vel nutans, Iaxa, pedalis, e spa- 

 diceo, fusco et argenteo varia. 



Axis sulcato - angulatus, subaequus, circiter palmaris, glaber. 



Racemi infcriores scmiverticillati, superiores sparsi, dodramales, 

 angustissimi, flexuosi, dorso trinerves , plani et spiculas lati- 

 tudine aequantes, margine hispidi, fronte ob nervum medium 

 prominentem triquetri et, inferiores non nimis longe supra 

 basin, superiores ab ipsa basi, biseriatim emittentes pedi- 

 cellos alternos, glabros, unifloros : spicularum infimarum 

 satis longos, superiorum breves, adpressos. 



Spicllae lineari - ellipticae, acutissiniae, lineam longae. 



Gluma inferlor nulla (tamen in ejusdem loco saepissime distin- 

 guitur membranula brevissima) ; superior (interior) clliptica,, 



