— 138 — 



Ilab. Yulgata ad ramos (lejcctos putrcscentes Fagi betu- 



loidis in sylvis in Staten islancl et Fuegia, aest. et 



hiem. 188'i. 

 Obs. Species fabrica naturaquc fere Bulgarieis adscri- 



benda, vegetatione tamen cenangioidca donata. An me- 



lius novum genus ? 



346. TYMPAMS ANTAIICTICA SpCg. (u. Sp.) 



Diag. Cupulae dense coespitosae, per rimas lineares 

 transversas peridermii erumpcntes, 10-50 in quo({ue coe- 

 spitulo, miuutac (250-350 [j. diam.) primo sphaeroideo- 

 clausae dein irreguhu-iter apcrtae, extus atrae subcar- 

 bonaceae glabrae, intus vix pallescentes ; asci c\ lin- 

 draceo-clavati, apice obtuse lateque rotundati, deorsum 

 brevissimecrasseque noduloso-stipitati (75-80 X 10-14 

 [>.), myriospori, paraphysibus (iliformibus longioribus 

 dense obvaUati ; iodi ope nulhi ; sporidia inordinata 

 conglobata muco immersa minuta cyliudracea recta v. 

 alhuitoidea (2-2,5 x 0,7-1 \j.) utriuque plus miuusve 

 . rotundata hyalina. 



Ilab. Ad ramos emortuos Fagi betuloidis in sylvisprope 

 Agaia, Jun. 1882. 



Ameghimella Speg. (n. gen.) 



Diag. Cupulae primo par\ uiae tuberculum minutum cortice 

 tectum eflicientes, mo\ erumpentes ac explaualo-expan- 

 sae, basi connatae saepe conflucutes, majores tenuiu- 

 scuhie mcmbranaceae tenaceUae llexiles plicato-undu- 

 hitae fuscac v. atrae; asci pusiili octospori paraphysati; 

 sporidia minutacylindracea v. allantoidca, hyalina. 



Obs. Genus singulare Clbr. Fl. Ameghino paleontolo- 

 giae sud-americauac studioso acutissimo dicatum, epi- 

 thecii natura ac fabrica inter RJtizineas ac Bulgarieas 

 medium, vegetatione tamen ac fructificationis notis 

 Cenangieas accedens. 



