STIPEAE PLATENSES 123 



Culmi numerosissimi folia duplo v. quadruplo superantes (300-600 

 mm alt. = 0,50-1 mm diam.) glabri laeves, ad apicem usque laxe 

 foliati, erccti, nodis incrassatulis fuscescentibus glabris. 



FoUa subisomorpha, radicalia quam culmigena angustiora laxa 

 herbacea subrigidula, viridia v. lenitcr glaucescentia, limbis in vivo 

 planis in sicco convolutis (15-200 mm long.=l-3 mm lat.) sursum 

 longe sensimque attenuatis convolutisque, apice callosis acutissimis 

 pallidis sed non pungentibus, longitrorsum utrimque tenuiter striato- 

 costulatis (nervis 5-13) glabris non scabris, vaginis vix pallidiori- 

 bus adpressis striatulis glabris ore truncatis, auriculis parce pube- 

 scenti-barbatis, ligulis angustissime marginiformibus subobsoletis 

 scariosuHs, flssis v. denticulatis. 



laflorescentla paniculata v. subspicata primo vix secunda dein 

 plus minusve expansa valde relaxata nutans (50-250 mm Iong.= 

 5-25 mm diam.) basi folii supremi vagina plus minusve vestita, 

 rachi terete laevissima, ramis ct pedicellis (1-5 mm long.) angu- 

 losis vix scabridis, sursum leniter incrassato - subclavulatis . 



Spicuiae in ramis parum confertae, primo erectae adpressulae 

 dein patulae nutantesque; glumis violascentibus apice plus minusve 

 hyalinis, superne longiuscule attenuatis atque breviter aristulatis, 

 infera 1-nervi (5-8 mm long. = 1,25-1, 50 mm lat.) superam 3- 

 nervem (4,50-6 mm Iong.=: 1-1,25 mm lat.) paulo superante; fio- 

 sculis e subtetragono teretibus lenissime fusoideis (cum anthopodio 

 et arista 25-36 mm Iong. = cum anthopodio sine arista 3,5-4,5 

 mm Iong. = 0,60- 0,65 mm diam.) utrimque breviter leniterque an- 

 gustatis, glumella infera subrigidula primo alba dein purpurascente, 

 laxiuscule breviter adpresseque albo-pilosula, supera pusillima vix 

 perspicua (0,15-0,25 mm long.) hyalina enervi glabra; anthopodio 

 rigidulo pallido acuto (0,35-0,55 mm long.) adpresse albo-pube- 

 scente. 



