86 A. GRISEBACH, 
nodii longitudinali fere duplo breviori, amentis cylindricis, bracteis 5floris 
spiraliter dispositis peltatis dorso trapezoideo convexiusculis: stipite nodo 
partiali inserto sursum  incrassato, semine obovato. — Nomen vernac. 
Jume. Frutex cortice fusco, ramis ramulisque patentibus, his omnibus 
demum lignosis, junioribus sub excisura vaginae foliaris basi brevissime 
adnatis; nodi vagina foliari apice patula quasi constricti, internodia penitus 
vestita, 1—3% longa; amenta 6—10% longa, 1^/ diam.; perigonia inter 
bracteas aequilongas conspicua, uniseriata, trigono-obpyramidata, 1/5'^ 
longa. — Santiago de Estero, in deserto salso cum praecedente. 
81. S. patagonica Gr. foliis conico-convexis obtuse mucronulatis 
basi adnata ultrasemiamplexicauli quadrato-subrotundis contiguis: dia- 
metro transversali altitudinem excedente, amentis incrassato-cylindricis, 
bracteis foliis conformibus 3floris, semine obovato-oblongo. — Syn. Ha- 
lostachys Moq. sec. descr. ap. Ungern Sternb. 1. c. p. 109. — Frutex 
cortice cinereo, ramis ramulisque patenti-adscendentibus; foliorum basis 
diam. 1‘, amenta 3—6'^ longa. — Santiago de Estero, in deserto salso 
cum praecedentibus (— »Patagonia«). : 
82. Suaeda divaricata Moq. ex descr. Frutex ultrasexpedalis; se- 
pala subrotunda, !5'^ longa, valde concavo-involuta, dorso convexo 
incrassato virentia, margine membranacea, staminibus duplo longiora; 
ovarium apice dilatato umbilicatum, stylis 2 brevissime ex umbilico ex- 
sertis. — Santiago de Estero, in deserto salso cum praecedentibus (— 
»Mendoza«). 
83. Boussaingaultia baselloides Kth. — Cordoba, in sepibus et fru- 
ticetis scandens. (Amer. trop. — »Bonariaq. 
Nyctagineae. 
84.  Ouybaphus bracteosus Gr. nov. sp. puberulus, apice glandulosus, 
caule erecto dichotome diviso tereti, foliis petiolatis e basi subtruncata 
ovato-acuminatis, floribus ternatis folia floralia oblongo-lanceolata subae- 
quantibus: fasciculis in cymam fastigiatam parum divisam dispositis, in- 
volucro unifloro infundibulari ad medium 5fido: lobis lanceolato-acumi- 
natis apice obtusiusculis, perigonio sesquilongiori: tubo ovoldeo, limbo 
