716 Pyrenomycete», Sphaeriace:», Hyalodidymse, Diaporthe. 



globosis, inembraiiaceis, atris, 210-260 ix, latis, ostiolo erumpente 

 praeditis; ascis oblongo-fusoideis, 8-sporis, 35-40-5-7; sporidiis 

 oblongis, saepe inaiquitateralibus, utrinque rotundatis vol parnrn 

 acutiusculis, nQedio uuiseptatis, non coustrictis, 4 -guttulatis, 9-11 

 * 3-3,5. 



HaO. ad culmos putridos Zeas iVIaydis pr. Lexington Amer. 

 bor. (W. A. Kellermann). 



62. D. Euporthe fuegiana Speg. F. Fueg. n. 217. — Stromatibus plus 293? 

 minusve late effusis, in ramis decorticatis, maculas extus atras cru- 

 stosas undulatas irregulariter lineares, 1-5 cm. long., 1-3 mm. lat., 

 flexuosas intus albas linea nigra tenui liraitatas efficientibes,- peri- 

 theciis densiuscule constipatis v. subseriatis ligno iminersis, contextu 

 parenchyinatico-sinuoso subindistincto, ostiolo carbonaceo elongato 

 longiuscule exserto crassiuscnh), recto v. flexuoso; ascis fusoideis, 

 apice stricte rotundato subtruncatis, postice acutato-rotundatis, 60- 



65 cs 10, octosporis, aparaphysatis; .sporidiis oblique distichis, elli- 

 ptico-elongatis, utrinque acutis ac strictissirne rotundato-subtrun- 

 catis, 18-20:^5-6, medio 1-septatis, non constrictis, loculis ssepe 

 parce coarctatulis non v. grosse 2-guttuiatis, hyalinis. 



Hab. non rara in rarais emortuis Chiliotrichi araelloidi.s 

 per Fuegiam totain. 



63. D. Euporthe antarctica Speg. F, Fueg. n. 215. — Stromatibus 2933 

 plus minusve late eff*usis, in ramis denudati.s maculas extus irre- 

 gulariter elongatis, strictis, 1-2 cm. long., 1-2 mm. lat., tumi- 

 dulas atras subcrustosas, intus pallescentes v. albas, linea tenuis- 

 sima candida liraitatas efficientibus: peritheciis densiuscule consti- 

 patis, subseriatis ligno immersis, subprominulis, globulosis, 400- 

 450 7-. diam., tenui-raembranaceis, fuscis, contextu parenchyraatico 

 oblongo suhimperspicuo, ostioio rninuto obtuse rotundatis, postice 

 atteriuato-acutatis, 40-60:^10-14, octosporis, aparaphysatis ; spo- 

 ridiis oblique distichis, ellipticis, utrinque obtuse acutatis, 14-15 



:i 5-6, iTiedio 1-septatis, lenissime coustrictis, loculis non v. grosse 

 2-guttulatis, hyalinis. 



liab. ad ramos emortuos Pernettiae mucrouatae in durae- 

 tis in Staten island Fuegiae. 



II. Tetrastaga Nits. 



64. D. Tetrastaga didymelioides Sacc. et Malbr. Mich. II, p. 504. — 2934 

 Peritheciis laxo v. dense gregariis cortice immersis, globoRO-depres- 



sis, ostiolo minuto vix erurapente, linea stromatica nuUa vel ob- 



