Panicum L. U 



poll. longus, racemosim spicas 2 — 7 erecto-adpressas gerens, 

 supra spicas excavatus, canaliculatus, dorso convexus; spicae 

 distantes, 0,4 — 1,0 poll. longae, e spiculis 7 — 15 sessilibus 

 distichis congestae ; pedicellus communis dorso planus, antice 

 carinatus , carina fiexuosa alternatim exsculpta , in margine 

 cartilagineo minutissime serrulatus; spiculae ovoideae acutae, 

 biflorae 4-bracteatae, summae tabescentes ; flos inferior stami- 

 niger, superior hermaphroditus; hracteae binae inferiores va- 

 cuae tenuiores membranaceae glabrae concavae, inferior exte- 

 rior minor, ovato-subrotunda 3-nervis acuta hyalina, apice 

 nunc rubens nervis viridibus; superior interior exteriori con- 

 formi 3-plo major, extus nitida, pallide viridis, basi hyalina, 

 apice sanguinea, nervis 5 — 7viridibus percursa, 0,06poll.longa; 

 hractea tertia florem staminigerum fovens, rigida chartacca, 

 oblonga acuta planiuscula, marginibus inflexis bracteolas con- 

 natas amplectens, 3-nervis, basi hyalina, apice pm*purascens, 

 caeterum laete viridis ; hracteolae collaterales in unicam con- 

 natae hyalinara , ovato-oblongam acutam planam, marginibus 

 iuflexis ad marginem 2-nerviam, ibidem rigidiorem viridem, 

 0,1 polL longam, bractea vix breviorem, 0,05 poU. latam; 

 perigonii foliola 2<-^ minuta suborbicidata \^Q,QY?i^-^ -^ fikunenta 

 3 elongata tenuissima flexuosa; antherae exsertae versatiles 

 aurantiacae oblongae, utrinque bifidae, lobis dein divergcnti- 

 bus ; polle7i luteum globosum ; hractea \ta pedicello communi 

 adpressa, florem superiorem hermaphroditum fovens, rigidis- 

 sima, reticulato-punctata, oviformis, facie complanata, acuta, 

 marginibus inflexis, sub angulis acutis, bracteolas connatas am- 

 plectens, enervis aut tenuissime 3-nervis; hracteolae in uni- 

 cam superiorem connatae minorem, extus dein complanatam, 

 marglnibus hyalinis inflexis, ovatam, acutam, tenuissime 2- 

 nervem ; perig07iii foliola 2 dolabriformia truncata ; filamenta 

 3, dein elongata; atitherae exsertae, jam descriptis consimilcs ; 

 germen ovoideum; sti/li longlssimi; stigmata plumosa exserta 

 flavescentla, pills longis vix denticulatis obsessa;/r?^^Awj bractea 

 et bracteolis connatis deln induratis arcte inclusus, a dorso 

 compressus indehiscens. — Januar 1846. 



