— 44 — 



niembraiiacea, contextu parenchymalico celluloso, fuli- 

 giuco-atro ; asci pauci iu quoque perithecio, saccati v. 

 ovali,antice obtuse rotuudali crassequc lunicati, postice 

 pediccllo brevissimo noduloso donati (80-95 x 30-40 'x), 

 octospori aparaphysati ; sporae inordinate distichae, fu- 

 soideo-ellipticae (38-42 x 12-13 ;j.), utrinque obtusiu- 

 sculae, subcurvulae 7-septatae ac constrictae, loculis 

 deuse guttulatis, quarto supero caeteris nonnihil cras- 

 siore, primo hyalinae actunica mucosa crassiuscula con- 

 colore vestitae, dein nudae dilute fumoso-chlorinae. 



Ihib. A(l folia \iva Azorellae trifurcatae in aridis marit- 

 timis, Gregory bay, Apr. 1882. 



Obs. Species pulcherrima notis nonnullis ad Pleosporam 

 vergens, dubia etiam inter Leptosphaeriam etSphae- 

 rulinam nutat !. 



133. ACAKTHGSTIGMA ? IMPERSPrci UM SpCg. (n. Sp.). 



Diag. Perithecia iii superlicie denudata sparsa v. laxissime 

 gregaria, minutissima (150- 180 ij, diam.), e leuticulari- 

 conoidea, saepe e latere compressiuscula, basi matrici 

 insculpta, subcarbouacea, atra, minute laxeque hirsuta, 

 setulis pusillis (18-30 X 2-3 ;j,), atris, opacis, contextu 

 indistincto, ostiolo minutissimo pertusa : asci obclavati 

 V. subovato-elliptici, antice rotundato-obtusati, postice 

 abrupte in stipite brevi nodulosoque contracti (25-30 x 

 10-12 [x), aparaphysati, octospori ; sporae recte v. obii- 

 que di-tri-stichae, elliptico-fusoideae, utriuque acutiu- 

 sculae (9-11 X 3-3,5 \).), triseptatae, ad septum mediiim 

 non V. vix constrictae, loculis duobus centralibus fu- 

 mosis. 



Hab. Ad 'Tc/mos emortuos decorticatos Fagi antarcticae 

 prope Cabo Negro, Jun. 188G. 



Obs. Aa melius gcneri ChaetospJiaeriae adscribenda?. 



134. ZlGJNOELLA PATAGOISICA SpCg. (u, Sp.). 



