NOVA ADDENDA AD FLORAM PATAGÓNICAS! 177 



tos (5-20 cm long. = 2-3 mm crass.) albidos nudos simplices v. 

 parce ramulosos gerens; folia glaberrima in ápice ramulorum 

 rhizomatis superficein lerraealtingentium dense rosulala (5-15 

 in quaque rosula) diffuso-patentissirna, lineari-oblanceolala 

 v. lineari-subspathulata (3— 1 cm long. = 3-7 mm lat.) sur- 

 sum rotundata v. obtuse acutata, deorsum longe sensimque 

 attenuata sessilia v. brevissime petiolata, margine angustissi- 

 me revoluta atque utrirnque dense (in juventute praecipue) 

 plicato-crispata, ad epipliyllum viridia ñervo mediano valido 

 impresso, ad hypopliyllum pallidiora ñervo mediano subalbi- 

 do prominulo (lateralibus non v. vix perspicuis), crassiuscule 

 membranácea rigidula; flores in rosulis solilarii v. pauci 

 erecti pedicello gracili (5-10 mm long.) glabro suffulti; calyce 

 cvlindraceo (6-10 mm long. == 3 mm diam.), glabro v. vix su- 

 perne subpulverulento, dentibus angustis brevibus (1 ,5-3 mm 

 long.) obtusiuscule acutatis donato; corolla subtubulosa v. ob- 

 conoideo-subcylindracea (15-20 mm long. =3,5-4 mm diam.) 

 in parte calyce abscondita graciliore superovarium coarctatula 

 5-loba, lobis rotundisobtusis (3 mm lon;. = 5mm lat.), te- 

 niuscula sordide ex albo sublutescente, extus, praecipue in 

 dorso loborum, puberulo-glandulosa, intus in parte infera an- 

 gustaU tubi villosula, superno glabra, staminum filamentis 

 ad tertium inferum tubi insertis filiformibus, basi eximie ge- 

 niculatis ibique villosis, faucem attingenlibus sed non exertis, 

 antheris ovatis, ochroleucis glabris, ovario ovato (2,5 mm alt 

 = 2 mm diam.) viridi glabro, stylo stamina aequante glabro 

 ápice clavulato-incrassato, non v. vix bilobo coronato. Capsula 

 elliptico-ovata (G mm long. = 3 mm diam.) glabra obtusiuscule 

 acutata, calyce persistente non accreto, saepeque corolla are- 

 scente, inclusa, seminibussatnumerosis irregulariter subreni- 

 formi-ellipticis (1,25 mm long. = 0,75 mm diam.) badiis, 

 dense irregulariterquefoveolato-reticulatis,foveolisnitentibus. 

 409. Nicotiana A.meghinoi Speg., n. sp. 



Diag. Didiclia, rustica, perennis scapigera, foliis rosulatis pulve- 

 ndento-pubescentibus acie tomentosulis oblanceolatis v. sub- 

 spathulatis margine grosse sinuato-plicatis, scapis sohtariis v. 

 rarius paucis erectis foliis duplo quadruplove longioribus, 

 simplicibus v. pauciramosis nudis laxe hispido -glandulosis, 

 floribus saepius nutantibus ápice v. secus scapos primo um- 

 bellatis v. racemosis, dein, scapis elongatis, subspicatis, bre- 



A.N. SOC. C1ENT. ARG. — T. LUÍ 12 



