160 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



2 — seriatis punctis nullis 2 exterioribus basi inter amplectenlibus, 

 stamina 6 calyce longiora basi calycis integri adnata, antheroe 

 dilute roseas medio affixae basi fissee, styli 2 longitudine stami- 

 nibus laxi débiles tenues, filiformes calyce longiores apicem versus 

 crispad, potius = stigmata; 2 — ulnaris pubescens allum erectum. 



Cordillera ad amnem, legi i86í Sept. 



8. RUMEX PARAGUAYENSIS, Pdi. Sp. nOV. 



Flores creberrime modice pedunculati ad quodque latus axiüares 

 glomerati, ramus intermedius axillaris, pedunculi mediocres infra 

 médium articulatione deflexi in fascicuíos 2 plus minus connati, 

 g'omeruli 2 ad basin ramorum ? ut in Amarantho, valvuloe fruc- 

 tiferce ( =: interior), ovato — triangulares foveolato — punctatoe 

 dentatoe basi dentibus 2 raro 3 subulatis porrectis, omnes gra- 

 niferae granis oblongis densissime celluloso-granulatis uno paulo 

 majore ; herbácea ramosa glabra caule tereti inaequaliter nervoso- 

 costato, foliis breviter petiolatis sat magnis margine crispís summis 

 oblongo sub-ellipticis, ochrea brevissima membranácea cito rupta. 



Cordillera Nov. Dec. 1863 ad domos. 



PHYTOLACACE.E 



1. : PETIVERIA PARAGUAYENSIS, Pdi. 



Guaraní: Pipí . 



Inflorescentia generalis terminalis indefinita in caule des- 

 cendens. Spica terminalis longissima et soepius monulla? axil- 

 lares, floribus sessilibus parvis remotis hermaphroditis fruc- 

 tibus adpressis, bracteoe generales, bracteolce 2 minimae, calyx 

 4? — 5— partitus albus parum divaricatus persistens (4 — partitus 

 Mocq.) laciniis anguste lanceolatis ómnibus later. spectantibus, 

 fructiferus erectus, stamina 4? v. 5 cum sepalis alterna et illis 

 vix breviora persistentia (4zrego) (nuncrz 8 alterna et opposita, 

 Mocq.) — antheroe lineares elongatse angustae, styli 4 (an potius 0?j 

 stylum ad marginem interiorem ovarii decurrens, Mocq. — Stig- 

 mata Simplicia (stigma pennicillatum, Mocq.), germen villosum 

 forte 2 — carpellare, carpellis lateralibus, ovulis basifixis am- 

 phitropis ; (ovarium simplex rarissime 2 altero rudimentario á 

 latere compressiusculum, ápice uncinulis4 (stylis,Linn.) adpressis 

 coronatum, 1 — locul. — 1 — ovulat. Mocq.) Capsula oblongo — 

 obovata vel latere supero et infero applanata adpressa profunde 

 íotundato — emarginata planis sutura prominula munitis 1 — lo- 

 cularis 1 — sperma indehiscens, ápice lateribus aristis (glochidib.) 



