STIPEAE PLATENSES 



39 



i§»(ipa |»luiuoi»:^ Trin. & Riiprct. 



Stlpa pluinosa Trin . 6c Rupr., 1. c, I, p. 

 67 (1836). = E. Desv., Gay, Fl . chil. VI, p- 

 275 (1853) = SteLiclel, Syn. plmit. glum., pt., 

 I, p. 127 (1855). = 0K, 1. c, L 372 (1898)!- 



Dlag . Glumae lineari-lanceolatae parvae 

 V. mediocres, tlosculum subdupio supcranles, 

 3-nerves, liyalinae; flosculus teres sublan- 

 ceolatus deorsum pubescens sursum glabratus; 

 antliopodiuni diametrum flosculi non v . vix 

 aequans, albo-villosum; corona nulla; arista 

 flosculo 3-10-plo longior, ad tertium inferum 

 geniculata infra ipsum torta glabrataque. Cul- 

 mi ramosi, tblia c convolulo plana laevia, 

 panicula parva coarctata vaginata secunda. 



Hab. Non rara in rupestribus dumelosis 

 andinis a Mendoza usque ad Jujid, per ann. 

 1895-901 (C. S.). 



2. Stipa plumosa Tr. & B. 



a. Spicula -/i i- media 



b. Flosculus Vi > 5 



c. Flosculus Vi ^ ' 



d. Spicula ^/i 3 gracilis 

 o. Flosculus \ , > > 



Obs . Perennis subfruticulosa , 



Culmi ramosi divaricati , subscandentes 

 (500-1200 mm alt.) graciles (1-2 diam.) gla- 

 bri, laeves; nodi recti v. plus minusve geniculati tumidi glabri . 



Folia alterna remota, limbis (15-70 mm long. = l,5-2mm lat.) 

 membranaceis rigidulis, acutis, non scabris, in sicco convolutis, 

 basi coarctatulis , vaginis adpressis, ore truncatis auriculis villosis^ 

 ligulis glabris vix. evolutis marginiformibus integris v. plus minusve 

 dense ciliolato-fimbriatis. 



