GnAMisEAF:, Pawicdm. t2B 



**) unifloris (bifaria.) 

 ?Panicum argenteum, B. Br. Prodr. I. p. iqo. R. 



et Sc/i. S. V. 11. p. 45Q. Nov. Holl. 

 ?Panicura holosericeum, Broivn. l. c. , R. et Sch. 



1. c. p. 460. Aou. Holl. 

 Panicura polyphyllum, R, Br. l. c. , R. et Sch. 



l. c. l\ov. Holl. 



SECTIO IV. P E R F O R A T A. 



Raccmus compositus rel dccompositus , contra- 

 ctus. Spiculae sccundae, callis glanduloso-pellucldls 

 sctigeris hlrsutac. Gluma Infcrlor mlnuta, squamae- 

 formls. Flosculus mascidus blyalyis. Culmi erectl, 

 pauclnodcs. Vaglnae sacplus pUosae vel hlrsutae. 

 Folla angusta. 



Species Brasilianae duae (17 — lO.) 



17. P A N I C U M T R A C II Y S T A C H Y U M. f 



P. racemo composito coarctato peduncuHsque biflorls 

 secundis spiculisque ellipticis glanduloso -punctatis hirsutis- 

 simis , gluma inferiore minuta , culmo siraplici erecto no- 

 disque vaginisque glabris , foliis filiformibus apice basique 

 pilosis. 



Radix caespitem nutriens , fibrosa, fibris tortls eras- 

 siusculis. Folia radicalia phirima , in nostris plantis omnla 

 ad pollicis et dimidii altitudinem igne deusta , quo soJae 

 vaginae supersint latiusculae , compressae , basi strigosae. 

 Culmi plures , 2 — 3 pcdes aki , basi vix pennae columbi- 

 nae crassitie , superne gracilescentes, simplices , trinodes, 

 teretiusculi , laeviusculi , glabri , apicem versus compressius- 

 culi , striati , pubescentes. Vagina inferior intei nodium ae- 

 quans , media eodem plus dunlo brevior , summa longe a 

 flore distans , hae omnes ratione foliorum latae , apice paulo 

 angustiores , compressae, striatae, glabrae , marginibus, 

 praesertira apicem versus , rainute cihatae. Ligula brevis- 

 siraa, arcuata, integra. Folia filiformia compressiuscula , su- 

 perne obsolete cdnaliculata tristriata , apice minute piiosula, 

 basi utrinque setulis aliquot erectis barbata , fili linei cras- 

 sitie , inferius 1 — -j-pedes longura , mcdium 9 pollicaie, 

 superius pollice vix longius. Racemus composilus, ianceo- 

 latus , contractus, 2 «^ 3 poUices longus, subnutans , totus 



