180 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



riones rhizomatis profundissimi?) ápice sensim in caule sim- 

 plici (an semper?) producía; caules teretes basi decumbentes 

 sursum arcuato-adscendentes (20-50 cm long. =2-3,5 mm 

 crass.) a basi dense raniosi, virides pilis paucis albis brevibus 

 conoideis subaculeiformibus hinc inde laxissime adspersi, 

 ceterum glaberrimi; ramuli fastigiati alterni erecti simpli- 

 ces v. parurn ramululosi (l5-20cm long. = 2-2,5 mm 

 crass.) virides, deorsum teretes sursum obsolete angulato- 

 sulcati, plus minusve, ut caules, piloso-aculeati, glabri; 

 folia lineari-lanceolata utrimque longe attenuata (25-75 

 mm long. =3-9 mm lat.) ápice obtusiuscule acutata, basi 

 cuneato-sessilia v. breviter aut brevissime petiolata, margine 

 grosseobtuseque e sinuato crispa to-lobulata, acie saepius den- 

 se ciliato-subspinulosa, injuventule utrimque puberulo-glan- 

 dulosa per aelatem ad epiphvllum laxe grosseque hirsutula 

 ad hypophyllum subglabrata viridia, crassiuscule membra- 

 nácea. Flores horizontaliter patentes ad apicem caulis v. ra- 

 morum ramulorumque saepius pauci (2 - 3) rarius laxissi- 

 me subracemosi (5 - 9), axi inflorescentisR plus minusve 

 elongata atque nuda (3 - 7 cm long.) v. foliis subbractei- 

 formibus paucis (I -3) ornata erecta, pedicellis erectis (4- 12 

 mm long.) dense hirsuto-glandulosis basi bracteola lineari v. 

 lanceolataobtusiuscula puberulafultisjongioribusad médium 

 bracteola altera minore ornatis, unifloris; calyces cylindraceo- 

 subcampanulati (10 mm long. =5 mm diam.) grosse 5 - 

 denlati, dentibus late triangularibus (3 mm long. etlat.) ob- 

 tusiuscule acutati pallide virides, sinubus acutis subalbe- 

 scentibus, extus densiuscule hirsuto-glandulosi ; corollae cy- 

 lindraceo-obconicae (20 mm long. = (> mm lat. ad faucem), 

 tubo in parte calyce tecla abrupte valideque angustalo (2 mm 

 diam.) atque glabro, in parte exerta, praecipue marginen» ver- 

 sus, dense hispidulo-puberula, ex albo ochroleuca (in sicco), 

 limbo vix evoluto 5 - angulato sed non v. vix lobato, intus 

 glabra, staminibus 5 f;iucem attingentibus sed non exertis, fi- 

 lamentis e tertium inferum tubi exsurgenlibus, basi valide 

 geniculatis ibique albo-puberulis, deorsum in lineolis pube- 

 rulis productis, ceterum glabris; ovario conoideo (3 mm 

 long. = 2 mm diam.) glabro viridi stylo glabro stamina 

 aequante ápice leniter clavulato subimperspicueque subdidy- 

 mo coronato. 



