GRAMINEAE. Triticum. (179) 35 



vioribas, aristis perianthium scabram superanlibns, foliis 

 planiusculis striatis utrinque scabris, vaginis culmisquQ 

 laevibns. (I, D.) v. v, 

 Festuca scabra. Labill, nov, holL i. p. 22. t, 26, 



2. T. pectinatum, spiculis distinctis dlvaricatis 5-6-flons: 

 fructiferis reflexis, glumis acuminatis, arlstis perianthio 

 brevioribus , foliis planis ciliatis. (D.) f 

 Festuca pectinata. Labill, nov. holL i. p, 21. t, 2$. 



GLYCERIA. 



Glumci mnltiflora , bivalvis. Spicula, teres , mntica. Perian" 

 thium imberbe , valvulis longitadine aequalibus. Squama 

 bypogyna nnica carnosa semiscutellata ! Stigmata Aecora- 

 posita! Semen liberum, oblongum, bine sulcatum. Flores 

 snbpaniculati. 



G. fluitans. (I.) t?. v. 

 Festuca fluitans. L, 



POA. L, 



Gluma mnltiflora , bivalvis. Spicula disticba. Perianthii val- 

 vala exterior mntica, Integra, basi simplici. Squamulae 

 2 hypogynae. Semen liberum, 



I. Perianthia quinquenervia, 



1. P. australis, panicula effusa v. snbcoarctata , spiculis 5-6- 



floris lanceolatis , glumis scabris , periantbii valvula exte- 

 riori basi lanata, foliis setaceo-involutis scabris; ligula 

 brevissima , culmis caespitosis. (I. D.) v, v, 

 Arnndo poaeformis. Labill. nov, holL i. p, I'j, L 55. 



2. P. laevis ^ panicula snbcoarctata , spiculis 4-5-floris, glumis 



scabris , perianthii valvula exteiiori basi parce lanata apice 

 scariosa, foliis setaceo-involutis vaginisque laevibus: ligula 

 brevissima, culmis caespitosis. (D.) v, v, 



3. P. plebeia, panicula effusa, spiculis 5-6-floris lanceolatis, 



glumis scabris, perianthii valvula exteriori carina margini- 

 busque basi lanatis , foliis planiusculis supra scabris subtus 

 vaginisque laevibus : ligula brevissima. (I.) v. v. 



4. P. 



. ajßnis, panicula snbeffusa, spiculis 4-5-floris lanceo- 

 latis, glumis scabriusculis , perianthii valvula exteriori 

 basi lanata, foliis planis paginis laevibns; ligula brevii- 

 sima, (L) v. v» 



