Panicum L. ^^ 



margine scabriuscula o aculcolis serrulatis minutis, sub lente 

 tantum cognoscendis ; spicae 2 — 3, rarius 4 — 5 digitatim con- 

 fertae, primo in anthesi incipiente erectae, pedunculi communis 

 dorsis sibi adpositis, dein patentissimae, graciles, 2,0 — 3,5 poll. 

 longae; pedu?iculus communis complanatus, postice viridis 

 glaberrimus, antice subcarinatus ; spiculae secundae biseriatim 

 alterne dispositae, plerumque geminae, altera pedicellata; 

 spicula inferior subsessilis; bracteue binae infimae vacuae, 

 inferior interior minima hyalina, nervis 3 viridi-flavescenti- 

 bus percursa, ovata, acuta, ciHis longis, ipsi bracteae aequi- 

 longis praedita ; superior externa oblongo-lanceolata acuminata 

 3-nervis, pariter longe ciliato-lanata, inferiore 4 — 6-plo longior, 

 bracteam floriferam cum bracteolis inckidens, navicularis, ca- 

 rinata; hractea tertia bracteolas connatas involvens, iisdem 

 paulo longior, tenera sed chartacea, oblongo-lanceolata, nervo 

 unico, ad apicem percurrente, viridi percursa, margine nec 

 denticulata, nec fimbriata, apice tantum vix 2-denticulata; 

 hracteolae in unicam superiorem connatae, bracteae fere con- 

 formem, ad apicem tantum subtruncatam et leviter binerviam 

 et bicarinatam; perigonii foliola truncata, subemarginata ; 

 filamenta primo brevia, dein exserta ; antlierae oblongo-lineares, 

 apiculatae, basi bifidae, lobis acutis ; gertnen oblongum ; sti/li 

 bini discreti, longi, fiHformes; stigmata exserta plumosa ker- 

 mesina, piHs crenulatis; fructus bracteoKs adhaerens; — pe- 

 dicellus spiculae alterae spiculam sessilem dimidiam paulo 

 excedens, superiorem subaequans, anceps subalatus, margine 

 serrato-aculeolatus; spicula pedicellata sessili plane confor- 

 mis. — Mens. Januar. 1846. 



7. PANICUM UMBROSLM Rtz. 



Ckar. Gen cf. Knth, En. I. 75. Endl. Gen. 770. Msn. Gen. 418. Comm. 

 319. 7~2 ; — an Stenotaphruni Trin. Knth. 1. c. 137. Endl. Gen. 

 774 sufficienter a Panico distinctum ? an potius Panici sectioni : „spica 

 solitaria" adsci-ibendum ? Haec nostra intermedia videtur inter ge- 

 nus utrumque. 



Chftr Spec. cf. Knth. En. I. 90. 99. Sppl. G8. 121, sed germen subglo- 

 bosum nec oblongum! lioxljurf/kii (Ind. I. 300. "27; citatum, jam a 

 Kunthio clss. dubiose huc rehitum, differt: spiculis basi pilis cinctis, 



