NOVA ADDENDA AD FLORAM PATAGONICAM 179 



loba, lobis subtriangularibussubacutiusculis (3 mm long.= 

 3 mm Iat.y, tenuiüscula sordide exalboochroleuca, extus intus- 

 que semper glaberrima, staminum filamentis ad tertium 

 inferum tubi insertis liliíbrmibusbasi lenitergeniculatisibique 

 parce puberulis, faucem attingentibus sed non exertis, antheris 

 elliptieo-ovatis ochroleucis glabris, ovario ovato (4 mm alt. = 

 2,5 mm diam.) viridi glabro, stylostamina non v. vix superante 

 glabro ápice clavulato-incrassato subbilabialo coronato. Cap- 

 sula ovato-elliplica (12-14 mm long. = 7-8 mm diam.) obtu- 

 siuscule acula ta, calyce persistente sal accreto dense farinoso- 

 glanduloso inclusa v. vix longiore, seminibus numerosis ova- 

 to-reniformibus (1,25 mm long. == 1 mm lat.) compressulis, 

 badiis subimperspicue foveolato-punctulatis. 



410. NlCOTIANA DESERT1COLA Speg., n. Sp. 



Diag. Uidiclia rustica perennis, ramosi-cauligera, decumbenti- 

 erecta, ramis conferlis fastigiatis glabris sed pilis crassis 

 aculeiformibus laxissime adspersis, foliis radicalibus evanidis 

 caulinis confertis erectis lanceolato-iinearibus utrirnque atte- 

 nuato-acutatis inferis + ve petiolatis superis sessiiibus, glabris 

 v. laxe pubescenti-hispidulis margine grosse undulato-subsi- 

 nuatis atque spinuloso-ciliatis, pedunculis elongatis simpli- 

 cibus v. ramosis deorsum laxe foliatis sursum nudis apiceque 

 paucifloris, floribus patentibus, brevissime v. longiuscule pedi- 

 cellatis, pedicellis erectis g landuloso-puberulis basi et saepe ad 

 médium bracteolis linearibus obtusiusculis omatis, cilycibus 

 subcylindraceo-campanulatis hispidulo-ylandulosis 5-dentatis, 

 dentibus late triangular ibus subobtusiusculis, corollis obconoi- 

 deo-subhypocrateriformibus duplo calyce longioribus tenuiter 

 puberulis albo-virescentibus, limbo 5-angulato, capsulis... desi- 

 deratis. 



tlab . I n aridissimis saxosis secus Golfo de San Jorge, aesi. 1899 

 (C. A.). 



Obs. Species precedentibus valde affinis, ad N. noctifloramRook. 

 accedens, ab ómnibus tamen bene distincta; facillime cum N. 

 pampasana OK. (liev. gen. plant., III, 2, p. 223) conjungenda, 

 sed descriptio hujus speciei a Cl. OK., 1. c, data nimis manca 

 et sine speciminum comparatione ni] certe eruendum erit. 



Radix cvlindracea longissima (lo-2ocm long. =2-4 mm 

 crass.) fuseo-ochroleuca simplex parcissimebarbellata (an tu- 



