STIPEAE PLATENSES / 



ccnt,i-iea pcrs-istrris glabra , nosculo 5— lO-plo lougioi'. Culmi folia 

 convoluto-planiiiseula v. filirormia laevia sacpius loiige superanlcs; 

 panieula laxa i)alula vauinata, 



Hab. Passim in pratis editiorJbus [ji^ov. Bucnos Aircs, nec 

 non Montccidco, \)QV ann. 1880-1'JOl. 



Obs . Perennis caespitosa, caespitibus parvis v. pusillis (50 — 

 250 mm alt . - 50 — 150 mm diam.) compactiusculis v. relaxatis. 



Culnu tblia semper superantes graciles (100-750 mm alt . = 

 0,5-1,25 mni diam.) teretes v. saepc plus minusve comprcssi , 

 glabri, non scabri, tenuiter longitrorsum striatuli, remote 1-2-fo- 

 liati, nodis non v. vix subincrassatulis annulatim constrictis pal- 

 lescentibus v . purpurascentibus glabris . 



Folia isomoriiha lierbacea viridula v. lenissimc subglaucescen- 

 tia, limbis in vivo planiusculis in sicco laxe v. arcte convolutis 

 saepeque flliformibus (25-200 mm long. =0,5-2,5 mm lat . apert.) 

 cxtus glaberrimis lacvissimis, intus 5-T- nervulosis (nervo media- 

 no crassiusculo, lateralibus tenuissimis) atque scabriusculis , apicc 

 breviter subulato- acuminatis non pungcntibus,. vaginis frcquentcr 

 relaxatis, cnlmigenis saepius conspicue intlatis, glaberrimis tenui.s- 

 sime striatis non scabris, ore leniter angustatis, auriculis non 

 barbatis cum ligulis ( radicalibus brevissimis v. evanidis) ovatis v. 

 lanceolatis obtusis integris scariosulis subalbescentibus . 



Inflorcscentia (80-150 mm long.) primo anguste spicata , vagi- 

 na folii suprcmi plus minusve vestita, dein paniculata secunda et 

 patula, valde rclaxata, raclii laevi, non v. vix scabriuscula, ramis 

 tenui-ssimis non v. vix scabridis supra mcdium spiculigeris pedicel- 

 lis plus minusve elongatis (3-30 mm long.) subtrigonis leniter 

 scaberulis apice sensim lenissimeque incrassatulis . 



