NOVA ADDENOA AD FLORAM TATAGONICAM 281 



Hab. Vulgata in arídis secus Rio Negro prope Carmen de Pata- 

 gones, Febr. 1898 (C. S.). 



476. Philippiella patagónica Speg. = Speg., Plant Pat. austr., 

 n. 323. 



Hab. Non rara in aridis prope Lago Argentino, Jan. 1898, secus 

 Rio Chico, aest. 1899 et ínter S. Julián el Rio Deseado, veré 

 1899 (C. A.). 



Obs. Planta in vivo viridis, fere inodora, siccando odorem acu- 

 tissimum illo valerianarum simillimun pollens. 



477. Amarantus vulgatissimus Speg. 



Hab. Non rarus in cuitissecus Rio Negro prope Carmen de Pata- 

 gones, Febr. 1898 (C. S.). 



Obs. Species non rara etiam fere in tota Provincia bonaerensi, 

 adhuc cum Euxolo viridi (L.) Moq. confusa, amicis meis sub 

 nomine Euxoli vulgatissimi Speg. communicata.' 



Radix albcscens v. rubicunda crassiuscula subcarnosa te- 

 res (5-15 cm long. == 3-5 mm crass.) laxe longeque fibrilloso- 

 barbata; oaules e eolio plurimi prostrati sed non radicantes, 

 saepeapicem versus arcuatimád surgen tes, glaberrimi, in vivo 

 lenissime striali virides v. rubicundi, in sicco sulcati palle- 

 scenti-virides (15-25 cm long. = 2-4 mm crass.). Folia con- 

 fertiuscula alterna, limbis rigidulo-membranaceis e viridi 

 subeinerascentes (praecipue ad hypophyllum) glaberrimis 

 ovalis v. lanceolatis (rarius suborbicularibus), ápice obtusissi- 

 mis non v. vix mucronulatis, margine planis integerrimis, basi 

 sensim v.abrupte cuneatis(5-20 mm long. =2,5-18 mmlat.), 

 petiolis limbo brevioribus (2-10 mm long.), dorso conve- 

 xulis ventrecanaliculalis sufíulla. Glomeruliinferi ad axillam 

 íbliorum geminati sessiles v. subsessiles, saepius peliolo 

 conspicue breviores, quandoque pauciflori (1-3-flori), quan- 

 doque dichotomice multiflori, superi in racemo spiciformi 

 simplice rarius breviter ramuloso breviusculo (3-6 cm long. 

 = 5-7 mm crass.) deorsum saepeinterrupto v. folialocongesti. 

 Flores pusilli (1,5 mm long.) sessiles, basi opposite bibrac- 

 teolati, bracteolis elliptico-subnavicularibus acutis (1 mm 

 long.) subhvalinis tenuiter viridi-carinatis praediti, sepalis 

 semper 5 spalhulatis (1 ,5 mm long.) ápice obtusissimis minu- 

 teque mucronulatis post anthesin parum accrescenlibus do- 



