90 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



rachidibus secundarüs v. tertiariis alterni, saepius geminati, 

 non rarius etiam 3-4-nati; pedicelli patentes, gráciles (5-8'" 

 long. =:0,3"' crass.), cano-pruinulosi, basi fere semper bracteolis 

 tribus, altera infera extiraa, 2 lateralibus minimis, Iriangulari- 

 ovatis (0,7-1'" long.), acutiusciilis, centro viridibus margine 

 subhyalinis, extus subcanescenti-pruinulosis donati, teretes, 

 simplices, ápice non v. lenissime subincrassati ; perianthium 

 herbaceo-corollinum, sub-virescenti-flavidum, 5-partitum, lobis 

 imbricativis, inaequalibus, 3-posticis majoribus (5'" long. = 3'" 

 lat.), 2 anticis minoribus (2,5-3'" long. =:: 1,5-2'" lat.), obovalis, 

 concavis, obtasis, integerrimis, obscure 3-5-nervoso-reticulatis, 

 glaberrimis, laevissimis, per et post anthesin reflexis; discus 

 tennis, strictus, simplex, fusco-virescens, imam perianthii basin 

 vestiens; stamina numerosa, 25-50, disco inserta, hypogy na, 

 erecto-patentia, 2-(5?)-serialia, filamentis albo-pallescentibus, 

 gracilibus glabris, subglulinosis (2'" long.), antheris albo-fla- 

 vescentibus, linearibus (1'" long.), gracilibus, flexuosis, loculis 

 strictissimis parallelis, extrorsum longitudinaliter dehiscenti- 

 bus, antice obtusatis, postice attenuato-acutatulis, connectivo 

 plano parum manifestó conjunctis; ovarium mammosum, par- 

 vulum intense viride, glaberrimum, laevissimura, sursum in 

 stylo e latero altro foliaceo-expanso, ex altero simplici, incras- 

 satulo, erecto ápice undulato-curvato (2-3'" long. = 1'" lat.), e 

 latero crasso non v. vix papuloso stigmatoso, concolore produ- 

 clum, 1-loculare, 'l-ovulatum, óvulo basali erecto. Fructussama- 

 roideus, postice incrassatus, breviter ovato-compressus (3'" long. 

 =: 2-2,5'" lat.), laevis v. vix longitudinaliter 2-3-rugoso-costatus_, 

 glaberrimus^ coriaceus, antice in ala semi-rhomboideo-elliptica, 

 (15-20'" long. = 7-8'" lat.), látere altero (dorsali) evoluto, mem- 

 branáceo, multivervoso, altero (ventrali) costiformi, incrassato, 

 superno papilluloso, ápice dentiformiter excurrente, 1-locularis, 

 alulis secundarüs nullis, perianthio subcartilagineo reflexo 

 basi cinctus. Semen básale, erectum, campylotropum, elliptico- 

 obovatum (2,5'" long. = 1,5-1 ,8'" lat. =0,5'" crass.), duriuscu- 

 lum, laeve, glabrum, fulvo-castaneum, testa adhaerente, em- 

 bryone cyclico-ippocrepico. 



Species pluribus characteribus cum Seguieria floribunda Benth. 

 conveniens, peraftinis etiam S. parvifoliae Bentb., ab utrisque 

 recedens praecipue foliorum punctuatione, magnitudine propor- 

 tionali parlium. Prainulositas ramulorum perquam insignis. 



