— 94 — 



251. Pleospora FUEGiANA Speg. (n. sp.) 



Diag. 3Iaculae nuUac; pcrithecia sparsa v. subseriata, 

 hypophyila, globulosa ;1 80-200 [j), immersa, submembra- 

 nacea, atra, contextu parencliymatico olivaceo, ostiolo 

 non Y. vix papillulato pcrtusa, glabra v. hjphis paucis 

 ramosis intricatis (3-4 [j. crass.) fuligineis laxe vestita ; 

 asci cylindracci, apice obtusiuscule rotuudati tunica 

 non V. vix incrassata, basi plus minusve atteuuato-pe- 

 dicellati (75-100 X 13-15 ;a), octospori, paraphysibus 

 crassis paucis nodulosis immixti ; sporidia fusoidea, 

 utriuquc plus miuusve acutata (24-2G X 5-0,5 jx), ho- 

 rizontaliter 5- (rarius 7-) scptata, vix (ad uicdium \ali- 

 dius) constrictula, loculo iutimo supero tantum septo 

 verticali (rarius deficiente) diviso, mcUea v. pallide 

 fuliginea, strato mucoso hyalino tcuui obovoluta, in pri- 

 ma juventute sacpc ntrinquc minute hyalino-apiculata. 



Hab. In foliis dejectis PoaeForsteri in scopulosis prope 

 Chair island, Maj. 1882. 



Obs. Species pulchclla partium fructificationis fabrica fere 

 lophiostomacea, ostiolo tameu rotundo recedens. 



252. Pleospora gallegensis S])eg. — Fuug. pat. n. 144. 

 IJab. In scapis et foliis Sisyrinchii filifolii in Smock 



islancl, Jun. 1882. 

 Obs. Specimina fucgiana a typo uonnihil rccedunt, ascis 

 magis pcrsistentibus cylindraceis v. cylindraceo-obo- 

 vatis(75 X 14 ;j.) apice obtusc rotundatis tunica non 

 v. vix incrassata, basi cuneatis ac pedicello brevissimo 

 crassoque snffultis, aparaphysatis ; s[)oridiis distichis 

 (20-25 X 5-9 [>.), flavescentibus, horizonlalitcr 4-sep- 

 tatis, loculis 2 v. 3 (rarius 1 v. 0) scpto altero vcrticali 

 continuo divisis. 



253. Pleospora herbarum (Pcrs.) Habh. — Sacc, Syll. 11, 

 p. 247. 



