144 



complectente, Sc 2:0 e lamina ante explicationem 

 margine involuta, lineari, membranam (ligiiJam) 

 €X cpidermide vaginae & laminae interioris for- 

 matam basi intus emittente. Flores parvi, herma- 

 phroditi vel polygami, spiculati vel rarius soli- 

 tarii, spiculis in paniculam vel spicam digestis. 

 Glumae plerumque bivalves, virides, binatse, exte- 

 riores vel calycinae ( calyx Linn. gt:ma Juss* 

 tegmen P- Beauv. lepicena Kich. peristochyumy 

 Panz.) uni-, vel 2-, vel multiflorae , alternae , disti-. 

 chae ; interiores velcorollinae {corolla Ijinn. , ca^ 

 lyx Juss. , perianthiiim Br., glumella Kich., ^^r^- 

 gtt/flJ P. Keauv.) tenuiores, valvis inaequali,bus, 

 exteriore saepius carinata vel trinervi, interdum 

 i-aristata,,interiore plerumque binervi mutica vel 

 biaristata; intimce [nectaria Schreb. lodiculce P. 

 'Keixn\4' squamulce Br. glumellce Rich. ghmellulcB 

 Desv. phycostemon Turp.) minutissimse > bivalves 

 vel trivalves, molles vel succulentae, hypogynae- 

 Stamiila hypogyna, plerumque tria, filamentis de- 

 bilibus, antheris bilocularibus, utrinque bifurcis. 

 Pollen globulosum. Germen superum. Styli 2. 

 Stigmata plumosa vel penicillata. Fructus cary- 

 opsis, pericarpio membranaceo arctissime adnato. 

 Endospermium farinaceum. Embryo extra en- 

 dospermium, ad ejusque basin '{scutellum 1. vitellum 

 auctor.) coriaceo-carnosam scutelliformem latera- 

 liter & oblique positus. Plun»ula in vagina c 

 foliis imbricatis composita ineluditur. Tubercu-f 

 la rostellaria plura, in vaginas rostella ample- 

 ctentes ( coleorhizas Mirb.) germinatione excre- 

 scentia,>ad basin scutelli. 



t)e signiHcatione partium Graminearura valdc dis* 

 ^cntiunt auctores. Scutellum primus Jussieu pro co-» 

 tyledone habuit, (juera plerique isecuti sunt, ut Ij^revi- 

 ranus, Fischer, Turpin, Brown ;. quaeque sententia maxime 

 confirmata est post^uam Poiteau primui detexitj ejus- 



jno- • 



