STIPEAF, PLATKNSES 115 



30. iStipa lij.s^riciua Speg., n. sp. 



Diag . Gliimae anguste lineares, ilosculo pa- 

 rum longiores, l-nerves,e hyalino subpurpu- 

 rascentes; flosculus lineari-lanceolatus, laxe 

 minuteque pubescens; anthopodium conoideum 

 flosculi diametro 2-3-plo brevius, glabrum; co- 

 rona nulh^; arista sub decidua flosculo 3-4-plo 

 longior, basi pilis nonnullis cincta. Culmi sat 

 " -^ " robusti, foHa setacea v. juncoidea breviuscula 



30. stipa hy.stiiciua speg. nitentiuscula laevia pungentissima superantes; 



a. SpicuU ';, i ^ i j7 



b. Fiosouius V, panicula angusta spiciformis, vaginata. 



o. Flosoulus ■■'/i 



Hab. Rara in alpinis aridissimis, Cuesta de la Tronem inter 

 Isoiua et Cachi-pampa (3750 mtr. alt.), prov. Salta, Jan. 1897. 



Obs. Perennis fasciculato-caespitosa. 



Culird folia superantes sat robusti (150-200 mm alt. =0,75-125 

 mm crass.l late fistulosi, minute longritrorsum striati, glaberrimi 

 non scabri ad apiceni usque foliati, erecti, recti, nodis non incras- 

 satis annulato-constrictulis concoloribus glabris. 



Folla omnia isomorpha constipata flavido-virescentia, juncea, 

 rigida, limbis complicatis e latere compressis v. obsolete subtere- 

 tibus, saepe tortis, laevissimis, nitentiusculis non v. obsoletissime 

 dorso scaberulis (,15-100 mm long. =0,75-1 mm diam. maj. = apert. 

 1,5-2 mm lat.) intus subcinerascentibus, tenuiter 7-11-costuIato- 

 sulcatis, subpulverulento-scaberulis, apice breviter rigide pallideque 

 mucronato-pungentibus, vaginis pallidis laevibus glabris, margine 

 saepius longe villosis, ore abrupte conti^actis, auriculis villoso-bar- 

 batis, ligulis obsoletis, ad seriem transversam densam pilorum re- 

 ductis . 



