STIPEAE PLATENSES 121 



Obs. Perennis, caespitibus parvis densis rigidis pungentibus sub- 

 flavescentibus (50-80 mm alt. et diam.). 



Cidml pauci folia plus minusve superantes (80-200 mm alt.=^ 

 0,5-0,6 mm diani.) glabri laeves, ad apicem usque foliati erecti recti 

 V. areuali, nodis non incrassatis leniter fuscescentibus glabris. 



Fulla oninia isoniorpiia constipata plus minusve tlavescentia v. 

 leniier subglaucescentia, rigida, limbis complicato-teretibus rectis 

 V. saepius falcatis (10-40 mm long. =0,5-0,0 mm diam.) glabris 

 non V. obsoletissime scabridis pulverulentis et longitrorsum sulcatis, 

 intus .-ubcinerascenlibus pubescentibusque , 3 - 5 - striato - costulatis, 

 apicc- abrupte acutato-mucronatis pungentibusque, vaginis adpres- 

 sis pallidioribus glabris v. vix pulverulentis, ore rotundato-coar- 

 ctatis, auriculis parce pul.)escenti-barbatulis, ligulis anguste mar- 

 giniformibus minutc finibriato-ciliolatis. 



Inflonvccntio angustissime spicata (40-80 mm long. = 3-4 mm 

 lat.) pauperrima, erectiuscula, semper linearis, basi vagina folii 

 supremi spathaceo-inflata plus minusve vestita, rachi ramis pedicel- 

 lisque il-lOmm long.) angulosis glabris laevibus erectis adpressis. 



Spicdlae laxae, sempei* erectae adpressae; glumis violasceniibus, 

 dorso pi'ope basin et apice saepius virescentibus v. hyalinis, oblon- 

 gis, non v. oljsolete carinatis, nitentibus, superne breviter subobtu- 

 seque acutatis nou aristulatis, infera 5-nervi (8-0 mm long. = l,75- 

 1,85 mm lat.) superam 3-nervem (7,50-8,50 mm long. = 1,40-1,00 

 mni lat.) parum superante; flosculis e terete obsoletissime fusoideis 

 e latere non v. lenitcr compressulis (cum anthopodio et arista 16-18 

 mm long. = cam anthopodio sine arisia 5,50-6 mm long. = 0,75-1 

 mm diam.) utriniquc breviter lenissinieque angustatis, glumella in- 

 fera vi.v coriaccUa pallida piiis laxis adpressis albis mollibus api- 

 cem ipsius superantibus adspersa, supera pusilla hyalina cnervi (1,5 

 mni long. =0,3-0,4 mm lat.;/ obtusa glabra; anthopodio turbinato- 



