— 200 — 



teralia, utrinque acutiuscule obtusata (12 x5-6 ¡j.), opace 

 fiüiginea, non v. utrinque minute 1-guttulata. 

 Hab. Yulgatissima per Fuegiam totaní ad caudices fagi- 

 neos putrescentes, hiem. 1882. 



185. Xylaria füegíaka Speg. (n. sp.) 



Diag. Stromata erecta, gregaria v. sparsa, conoideo-obcla- 

 vulata, non v. cotnpressiuscula, uudique fertilia (3' 

 alt. X 1" lat. X 0,5-1" crass.), planiuscula undulata 

 non V. yíx rugulosa, laxe papillulato-asperula, ápice 

 acutiuscula, basi subcoarctatula, intjs farcta, lignosa, 

 íilba, extus atra, in juventute subcanescenti-pruinulosa, 

 per aetatem saepe pulvere (e sporis exilientibus) nigro 

 viscidulo inspersa, inferné in stipite breviiisciilo sub- 

 terete (1,5" long. x 2-2,5"' crass.), longitudinaliter 

 rugoso-striato glabro atro-fusco producía; perithecia 

 i inmersa v. vix prominula globulosa (500-600 ;;.), 

 atra carbonacea, ostiolo obtuso papillulato corónala ; 

 asci mox gelatinoso-diííluentes, octospori, paraphysati; 

 sporidia cymbiformia, utrinque obtusa (10-12 x 5 ¡x), 

 monosticba, primo grosse 2-guttulata, dein l-nucleato- 

 areolata, opace fuliginea. 



Hab. In trunco putresceute Mayteni? in üope har- 

 bour, Maj. 1882. 



186. HyPOXYLON DIATRYPELLOlDE.Speg. (u. Sp.) 



Diag. Stromata per peridermium arete adhaerens erum- 

 pentia, elongata y. elliptica (3-5"' X 1-2,5'"), trans- 

 versa, non V. subtruncato-marginata, puhinatula (1'" 

 crass.), superne saepius applanata, fusco-nigra, parce 

 rainuteque papillulosa , intus atra ; perithecia pauca 

 (5-20) in quoque stromate, dense constipata, e mutua 

 pressione irregulariter obovata (400-450 ¡x diam.), mo- 

 nosticba, non exerta nec prominula, atra, coriácea, con- 

 textu indistincto, ostiolo minutissimo, obtuso, vix papil- 



