TaB. 59. CTENIUM ELEGANS. 



Culmi 



is erectis; vaginis glabriusculis ^ foliis sulcatis, scabrisf spiculis quadri 



floris; gluma exteriore binervia 



9 



versus meclium tuberculato-submucronata^ carina 



apilloso-scabra. 



Crescit in Senegalia 



\ 



Rad 



... 



fibrosaj fibris filiformibus, subflexuosis, superne villosis. Culmi caespitosi, erecti, sim 



plices , teretes , ' glab 



5-pollicares ; nodis imberbibus. Folia anguste linearia, apice angus- 

 sulcato-striata , utrinque margineque scabra, 4-^-pollicaria, lineam lata,. Vagina 



iares. Ligula bre 

 vissima, membranacea, truncata, ciliata. Spicae terminales, solitariae, lineares, erectae, subfal 



tata, 



sulcato-striatge , glabriusculae , internodiis duplo triplove breviores, 2-4-polli 



catae 



subtripollicares 



9 



r 



hach 



is 



compl 



externe convexiuscula 



marg 



dense ciliolata 



Spiculae unilaterales , sessiles, arctissime imbricatae, biseriatae, quadriflorae; flores duo inferiores 

 steriles, unipaleacei (ex his superior interdum bipaleaceus?, masculus?) ; tertius hermaphroditus, 

 bipaleaceusj qiiartus (terminalis) tabescens, subclavatus, pedicellatus, muticus. Glumae duae, 

 inaequales, membranaceae , acutato-subulatae 5 inferior (interior) parva, ovato-lanceolata, uni- 



r 



nervia, carinata, carina tuberculato-rdenticulata , subciliolata ; gluma superior (exterior) triplo 



quadruplove longior, flores duplo superans, lanceolata, binervia, carin^ta, carina pilis brevibus 



rigidis inferneque papilhs interjectis scabrata, nervo laterali nonnisi medium glumae attingente 



ibicjue tuberculo dentiformi terminato. Flores steriles inaequales; inferior ibrevior, gkimam 



exteriorem vix superans; superior flore hermaphrodito \ brevior, longius aristatus : Palea infe- 



aristata. trinervia, carinato- 



(superior nulla) spathulato-oblonga, apice biloba, sub ^pice 



concava 



y 



membran 



3 



straminea, nervis marginalibus papilloso-tuberculatis 



prae 



sertim dorso marginemie pilis longis rigidis obsita; arista subcurvata, scabriuscula, pale 



longitudine trlplo quadruplove superans 



straminea. Flos fertilis sessilis, basi barbatus : Paleae 



duae, membranaceae, albido-stramineae ; inferior oblonga, sub apice bilobo aristata, obsolete 

 trinervia, carinata, glabra, superne versus marginem pilis longis rigidis albis obsita 3 arista scabra, 

 subcurvata, palea sesqui-vel duplo longior, non arliculata, straminea; palea superior paulo hre- 



vior. 



oblo 



g 



binervia, bicarlnata, apice emarglnata, carlnls superne papill 



Sguamulae duae, subdolabrlformes , membranaceae , hyalinae, glabrae. Stam 



f 



dentlculat 

 stlpiti ova] 



• • 



Fllamenta capiUacea, glabra. Antherae lineares, utrinque bifidae, biloculares^ glabrae 

 flavidae. Pomnls granula minutissima, subrotvinda, hyalina. Ovarlum oblique ohovato-suhturb 

 natmn, brevlsslme stipitatum, apice attenuatum 

 Stigmata subplumo 



moUiter pllosum?. Styli duo, termlnales. 

 pIKs remotis, simpllclbus, subdentlculatls. Caryopsls immatura, obhque 



oblongo-subfusiformis , embryonl contrarle compressa, la^vis, glabra, fuscescens, libera, paleis 

 inclusa. Embryo fructu trlplo brevior, oblongo-subspathulatus. Corculum teretiusculo-clavatun 



w 



xn sulco cotyledonis locatum. 



