STIPEAE in.ATENSES 75 



Culinl sat numcrosi folia semper longe superantes graciles v. ro- 

 busti (200-1200 mm alt. = l-4 mm diam.) latiuscule fistulosi, basi 

 non V. vix geniculati, glabri non scabri laeves v. obsolete longitror- 

 sum striati ad medium v. ad apicem usque vestiti, 2-3-nodi, nodis 

 incrassatulis rufescentibus glabris. 



Folla omnia isomorpha, in juventute v. in sicco plus minusve con- 

 voluta, per aetatem et viva plana, limbis rectis erectisque v. patulo- 

 nutantibus latiusculis v. latissimis (50-500 mm Iong. = 3-12 mm lat.) 

 rigidulo-herbaceis viridibus, quandoque glabris, quandoque pube- 

 scenti-hirtellis, margine saepe ciliolatis scabridis, longitrorsum dense 

 nervuloso-costulatis (nervis 21-61), vaginis vix pallidioribus adpres- 

 sis striatulis non scabris, totis glabris v. margine pectinato-ciliola- 

 tis, ore abrupte coarctatatis non v. plus minusve piloso-barbatis, 

 ligulis (supremis ovatis exceptis) brevissime marginiformibus sub- 

 fuscescentibus glabris denticulatis. 



Inflorescentia paniculata quandoque depauperata (100-150 mm 

 long.) quandoque ditissima (400-500 mm long.) in juventute vagina 

 folii supremi satis ampliata tota v. pro parte vestita, dein plus mi- 

 nusve longe exerta patulo-nutans, rachi glabra v. vix scaberula, 

 ramis 3-5-fascicuIatis, inferis remotis, superis aproximatis, elonga- 

 tis gracililjus (25-150 mm long.) subscaberulis, infra medium sim- 

 plicibus et nudis, supra medium ramulosis et pedicelligeris, pedi- 

 cellis tenuibus (1-15 mm long.) scabris, vix apice ipso lenissime 

 incrassatulis. 



Spleulae primo erecliusculae dein pendulo-nutantes, pallide vi- 

 rescentes v. saepius atro-purpurascentes; glumis adpressis ciuan- 

 doque virescenti-hyalinis, quandoque plus minusve ati'o-purpura- 

 scentibus v. violascentibus, glaberrimis nitentiusculis, non v. le- 

 niter carinulatis, ad carinas laevibus v. subscabriusculis, flosculo 

 dimidio v. subduplo longioribus, elliptico-Ianceolatis superne lon- 

 giuscule acutatis sed non aristulatis, infera 3-nervi, (9-12 mm long. 



