880 Pyrenomyeelese. Sphseriacew, Dictyosporse, Pleospora. 



Hab. iii Juncis, N. Wootton in Hritannia et California (Har- 



KNESS). 



27. Pleospora longlspora Speg. F. Fueg. n. 254. — Maculis nullis 3577 

 Y. indeterminatis:, fnscescentibus; peritiieciis sparsis, iramersis, glo- 

 bulosis, 300-350 [x. diara., atris, glabris, contextu dense parencliy- 

 matico fusco-fuligineo, ostiolo papiliulato, conico, exsertulo donatis; 

 ascis cylindraceo-clavatis, antice rotundatis, crassiuscule tunicatis, 

 nou V. vix subfoveolatis, deorsum attenuatis, brevissirae crasseque 

 stipitatis, 180-200^25, 8-sporis, paraphysibus filiformibus, guttu- 

 latis, densis obvaliatis; sporidiis disticliis, clavulatis, 40-45-13-15, 



t) septatis, ad septa leniier constrictis (ad mediuiu validius), seginen- 

 to supero crassiore atque obtusiore (bisepiato), infero iougiore et 

 graciliore, loculis (2 extimis exceptis) septis valde tenuioribus re- 

 ticulatis, flavidis. 



Hah. ad vaginas putrescentes Hierochloas antarcticae pr. 

 Penguin rookery Staten island Fuegiae- 



28. Pleospora Forsteri Speg. F. Fneg. n. 257. — Maculis nullis; pe- 3578 

 ritheciis innato-erumpeutibus, spar.sis vel 2-3-seriatis, globulosis, 



e latere compressiusculis, 250-300*150-200, subcarbonaceis, con- 

 textu indistincto, opaco, atris, glabris v. hyphis paucis repentibus, 

 tenuibus basi ciuctis, ostiolo papiUulato, rainuto corouatis; ascis 

 cyliudraceo-subclavatis, antice attenuato-truucatis, postice cuneato- 

 atteriuatis ac pedicello brevissimo crassissiraoque sutiuitis, 80 - 15, 

 8-sporis, parce paraphysatis; sporidiis oblique distichis, fusoideis 

 vel fusoidoo-subovatis, utrinque attenuato-rotundalis, 24 * 8, rectis 

 V. inaequiiateralibus, horizoutaiiter 5-septatis, ad septa constrictu- 

 lis, loculis 2 (rarius 3) intirais septo verticali alternatim (non con- 

 tinuo) divisis, flavis. 



Hah. ad folia culmosque Festucas raagellanicae in Statoo 



islaud Fuegiae. 



29. Pleospora fuegiana Speg. F. Fueg. n. 251. — Maculis aullis; 3579 

 peritheciis sparsis vel subseriatis, hypopliyllis, globulosis, 180-200 



u.. diara., iraraersis submerabranaceis, atris, contextu pareacliyma- 

 tico olivaceo, ostiolo non vel vix papillulato pertusis, glabris vel 

 hyphis paucis ramosis intricatis, 3-4 1;.. cr., fuligineis laxe vesti- 

 tis; ascis cylindraceis, apice obtusiuscule rotundatis, tunica non v. 

 vix incrassata, basi plus minusve atteauato-pedicellatis, 75-100^ 

 13-15, 8-sporis; paraphysibus crassis, paucis, nodulosis; sporidiis 

 fusoideis, utrinque plus minusve acutatis, 24-26 » 5-6,5, horizonta- 

 liter 5-, rarius 7- septatis, vix (ad medium validius) constrictulis, 



