256 T R I N I u s, 



Spiculae pl. min. laxae, cylindraccae, obtusiusculae, homomorphae, helcrogencae i 

 inrcrior brcvissime, superior longius pedicellata. Glumae utriusque spiculae 

 inferior 7", in majoribus (Tr.plumoso) ii-nervis; superior, angustior, 3-nervis. 

 Flosculi in utraque spicula subhyalini, 2, longe plerumque univalves, supe- 

 rioris valvula superiori rarissime evolula atque lum perbrevi. Vahulae sub- 

 lineares, glumis paulo breviores: spiculae femincae seminifera inferne filiformi- 

 an^ustata, tum linearl-explanata, aplce oblusiusculo abiens in aristam prae- 

 iongam, pl. min. hirtam, infcrne tortam. 



Lodiculae squamae cuneatae, aut horizontallter aut oblique truncatae, emarginatae. 



Stamina In spicula inferlori "i , filamcnlis brevissimls, anlhcris croceis; in spicula 

 supeiiorl iaterdum filamenta aborllva, tenuissima, elongata. 



Oiarium in spicula superiori periectum, Slylis 2 longiusculls, Sligmaiibus brevl- 

 bus, plumosls, crocels; In splcula inferiori rudlmentum ovaril stylls brevibus 

 coronatum. 



Scmcn 



Genus compleclens Andropogones spicula hermaphrodiia pedicellala, in- 

 complclis subsessilibus , rhachi inariiculala Hb. ET KtH.^ noi>. gen. ci sp. I. 

 p. i84; item Heleropogones locusta feminea pedicellata, uniflora, mascula scs- 

 sili PresL rel. Hacnk. I. p. 331); — excludens species Trachypogonis 6 ad 

 i3 N. AB Es. Jgr. bras. p. 345 — 354- 



Species sequentes, nlmls inter se affmes, excepto forte Trachyp. plumoso. 

 unius ejusdemque spcciei varlelates potius diceres, 



Trachypogon mollis N. ab Es. Splcis solltaria blnlsve ; Rhachi glabra ; Foliis fili- 

 forml-iiivolutis, glabrls vcl superne pilosls; Ligiila i — 3-lineaIi. 

 Trachypogon mollis. Agr. bras. p. 343. 

 Trachypogon Monlufari Ibid. p. 342. 

 Andropogon tortus hb. PVilld. 

 V. spp. Brasll. 



