STIPEAE^PLATENSES 71 



1,5 mm diam.), ad medium et iiltra vestiti, latiuscule fistulosi, 

 erecti v. ima basi leniter geniculati, glaberrimi non scabri, laeves 

 V. tenuiter longitrorsum striati, 2-3-nodi, nodis non v. vix incras- 

 satis concoloribus v. rufescentibus glabris. 



FoJia omnia subisomorpha, semper tamen rigida subjuncoidea, 

 pallide viridia, limbis rectis v. fiexuosis circinatisve (30-300 mm 

 long.), in juventute et in sicco convolutis (0,5-1 mm diam.) com- 

 pressiusculis, per aetatem et udis, praecipue culmigenis, subappla- 

 natis V. laxe convolutis (1-3 mm lat. aprt.), dorso non carina- 

 tis, non v. obsolete scaberulis, quandoque glaberrimis, quandoque 

 sparse patule subretrorseque piloso-hirtulis, obsolete striatis, ven- 

 tre scaberrimis nervoso-sulcatis, nervis 3-5 crassioribus , 2-6 

 tenuioribus adjectis, apice sensim attenuatis subulato-acutatis sed 

 non pungentibus; vaginis infimis saepius relaxatis, caeteris adpres- 

 sis pallidioribus non scabris, non v. nervoso-striatis, margine ex- 

 terno glabro v. saepius dense pectinato-ciliato, ore sensim coarc- 

 tatulis, auriculis obtusis concoloribus v. purpureo-maculatis, sae- 

 pius dense barbato-villosis , cum iigula continuis, villis saepe per 

 latera ligularum rarius per marginem foliorum excurrentibus , li- 

 gulis inflmis brevibus marginiformibus, superis eiongatis ovatis v. 

 lanceolatis albescenti-hyalinis integris, laceris v. ciliato-barbatis . 



Infloreseentia (50-250 mm iong.) depauperata relaxata, primo 

 erectiuscula postice vagina folii supremi non v. paulo ampliata 

 plus minusve vestita, dein longiuscule exerta exliarata patulo- 

 nutans, rachi non v. vix scaberula, ramis geminatis remotis alter- 

 nis tenuibus, apicem versus tantum 1 -5-spiculigeris scabris, pe- 

 dicellis subtrigonis elongatis (5-25 mm long.) scaberulis, apice 

 sensim leniterque clavulatis . 



Spieulae nutantes, majusculae remotae glaberrimae; glumis non 

 V. vix subcarinatis, flosculo duplo v. triplo et ultra iongioribus, al- 

 bescenti-hyalinis v. plus minusve violascentibus, lineari-lanceo- 



