14 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



subargenteus, perenftis, radice? subpalari fusco-squarrosa sim- 

 pliec r.furcata radicato, foliis SÚtparvis subcrassiusculis ereclis 

 3-8 rosulalis limbis ovatis ápice subacutis v.oblusis deorsúm sen- 

 sim v. abrupte cuneatis in petiolo longiusculo productis, mar- 

 gine grosse irregulariterque denlatis v. subincisis non revolutis, 

 scapis solilariis 3-4-plo foliis longioribus nudisv. bracleis pau- 

 cis linearibus scmiamplexicaulibus remolissimis ornalis, mono- 

 cephalis, capitulis ereclis late campanulalis parce caliculatis, 

 squamis Í5-48 incanisv. virescenti-subglabratis, ¡losculisOO-SO, 

 achaeniis angulato -costal is glabris. 



¡lab. In pralis sabulosis siccioribus prope 5. Julián, veré 1899 

 (C A.). 



Obs. Radix... (an rhizomatis horizonlalis rami ?) subcylindracea 

 (20-50 mm long.— 2-3 mmcrass.)eorlicefusco-squarroso (folio- 

 ruin delapsorum vesligiis) teeto, deorsumfibrispaucis crassis 

 pallideochraceis barba ta, sursum simplexV.biíida, apiceabrup- 

 te rosulato-folüfera. Folia subfasciculata erectiuscula (1 0-30 

 mrn long. tot.), 3-8 in quaque rosilla crassiuscula subcom- 

 plicata, limbis ovatis ellipticis v. spathulatis ápice obtusis v. 

 subaculiusculis, deorsum abrupte v. sensim cuneatis (5-20 

 mm long. = i-i 8 mm lal.) in petiolo planiusculo aequilongo 

 v. parum longiore basi in pericladio latissimo amplexicauli 

 membranaceo-dilatato productis, margine grosse irregulari- 

 terque dentatis v. incisis, dentibus v. lobulis obtusis iterum 

 denticulatis, denticulis subacutiusculis ac saepe subundula- 

 tis, in prima juventule utrinque albo-pannoso-tomentosa, 

 per aetatem ad epiphyllum glabrescentia, ad hypophyllum 

 pube tenuiter membranácea arete adnata cinereo-argentea 

 veslita. Scapi in quaque rosula solitarii erecti (100-150 mm 

 long. = 1,5 mm crass.) teretes membranose araneoso-cinerei 

 v. subglabrali tenuiter slriati, nudi v. bracleis concoloribus 

 2 v. 3 remotis linearibus integerrimis acutis(o-15 mm long.) 

 basi amplexicaulibus ornati, monocephali. Capitula erecta late 

 campanulata (8-10 mm long. = 10-14 mm diam.) basi brac- 

 teolis adpressis linearibus brevibus 1-5 caliculata, squamis 

 16-18 (<v9 mm long.) lineari-sublanceolatis primo araneoso- 

 incanis dein zbve glabratis ac virescentibus ápice acutis pe- 

 nicillato barbatis margine non v. vix pallescentibus donata, 

 ñosculisomnibus tubulosis, corollis luleis(5-6mm long.); an- 

 theris scariosulis longiuscule exertis, pappi setis tenuissimis 



