﻿Plantae novae nonnullae. 53 



Flores in quoque capitulo 70-90, quorum 8 9- v - T ' d ~ 

 rius 5 tantum, ligulati et circiter 80 tubulosi $ ; ligulae 

 longe exertae candidae elliptico -lineares (13 mm long. 

 — 3,5 mm lat. ) ápice obtusissimae minutissime tridenta- 

 tae, deorsum subattenuatae glaberrimae 4-nerviae, tubo 

 et acliaenio, ut in floribus tubulosis, styli ramis divarica- 

 to-circinatis longiusculis ; corollae tubulosae (10-13 mm 

 long. = 1 mm diam. ) flavae ad tertiurn superum amplia - 

 tae, ápice 5-clentatae, dentibus triangularibus j^apillosis, 

 antlieris aequilongis, stylo longiuscule exerto superatis, 

 ovario terete striato glabro albo sericeo-nitente (3,5 mm 

 long.) suffultae; pappus corollas tubulosas aequans (12-13 

 mm long.) candi dus tenuissimus copiosus. Achaenia e 

 terete obscure angulosa v. subapplanata 12 striato - sul- 

 cata, postice obtusiuscula ac subrotundata antice non v. 

 vix subattenuato-truncata glaberrima subsericeo-niten- 

 tia fusco -lateritia (4,5 mm long. = 0,8 mm crass.) 



Species nobilis ab ómnibus adhuc descriptis ex Ame- 

 rica meridionali distinctissima. 

 5. Begonia argentinensis Speg., n. sp. 



Diag. Baria, glabra subsimplex camosula, tubere glo- 

 boso -depresso foliis anguste lanceolatis v alele inaequilate- 

 ralibus pennipalmatinerviis, lobo infero ampio rotundato, 

 floribus coccineis, inferné masculis solitariis, superite gemi- 

 natis, masculo et femíneo, sepalis majusculis elongatolan- 

 ceolatis petalis brevioribus angustioribusque concolor ibas. 



Hab. In umbrosis alpinis Cuesta de San Antonio (2800 

 m alt.), prope Pampa Grande, in Prov. Salta, Jan. 1897. 



Obs. Species B. boliviensi DC. (Pr. xv, i, f. 287) per- 

 affinis sed corolla coccinea duplo majore distincta. 



Tuber globoso-depressum (3-6 cmdiam. ^ 1,5-3 cm 

 crass.) umbilicatum squarrulosurn badio-fuligineum. 



Caules erecti subsimplices (40-60 cm alt.), teretes, 

 internodiis inferis elongatis (10-12 cm long. = 7-10 mm 

 crass.), superis sensim abbreviatis, succosi glaberrimi 

 pallide virides v. subglaucescentes, ad nodos non inflati 

 et non v. vix geniculati. 



Folia alterna; stipulis triangulari-ovatis (7-8 mm 



