t 



88ft Pyrenomyceteaj, Sphceriacese, tkictyosporffi, Pleospora. 



long. et 30 a. cr. ; spoiidiis octonis, distichis, basin versus niono- 

 stichis, elongatis, raedio v. ad septum tertium leviter constrictis, 

 parte superioro crassiore, utrinque rotundatis, 6-7-septatis, loculis 

 septis duobus longitudinalibus divisis, melleis, demura faligineis, 27- 

 30=; 9-10; paraphysibus articulatis, 2-3 t/.. cr. 



Hab, in Lolio, Luc-sur-Mer Galliaj (Robergs). — Ab affini 

 PL herbarum peritheciis cuticula somper tectis sporidiisqae ut plu- 

 riraum G-septatis et vix rauco involutis prae ceteris recedit, 



51. Pleospora patagonica Speg. F. Pat. n. 145. — Peritheciis spar- 300i 

 sis, matricis subiramutat?e parenchymate innatis, lenticulari-hemi- 

 sphajricis, 200-250 a. diam., ostiolo rotundo minutissimo perfora- 



tis, atris, glabris, levibus, carbonaceo-membranaceis, contextu in- 

 distincto ; ascis cyiindraceo-saccatis, apice subtruncato-rotundatis 

 crasseque tunicatis, basi abrupte in pediceliurn brevissiraum cras- 

 soque productis, 65-70 =; 25-30, aparaphysatis, 8-sporis; sporidiis 

 recte-di-v. tri-stichis, elliptico-ovoideis, 24-28 =; 10, non vel vix 

 subinfcquilateralibus, utrinque obtusiuscuie acutatis, horizontaiiter 

 7-septatis, septis 3-verticalibus percursis, ad septum medium con- 

 strictis, primo hyalinis, dein pallide chlorino-flavescentibus. 



Hab. ad culmos dejectos putrescentes Stipa3 cujusdam secus 

 Rio Gallego Patagonise. 



52. Pieospora insuliaris Speg. F. Fueg. n. 258. — Peritheciis spar- 3602 

 .sis, parenchymato immersis, atris, glabris, globulosis, 150-180 a. 

 diam., coriaceo-membranaceis, contextu dense parenchymatico oli- 

 vaceo, osLiolo vix papillalato donatis; ascis cylindraceis vei cy- 

 Hndraceo-subclavatis, apice rotundatis, crassiuscule tunicatis, mi- 

 nuto 1-foveolatls, deorsura non v. vix attenuatis, pedicello crasso 

 brevissimo suffultis, 80 1; 15, octosporis, parce paraphysatis; spo- 

 ridiis distichis, biconico-obovatis, utrinque obtusiusculis, 2.5-28 =; 8, 

 horizontaliter crasse 7-septatis, loculis omnibus (extimo infero ex- 

 cepto) septo verticali, continuo divisis, diu hyalinis, dein sordide 

 pallidequo melleis. 



llab. in culmis emortuis Hierochlope antarcticee in Sta- 

 ton island Fuegice. 



53. Pleospora antarctlca Speg. F. Fueg, n. 248, — Peritheciis ma- 360.3 

 trice nigrificata immersis vel semiimmersis, epidern)ide velatis e 

 globoso conoideis, 180-200 ;/. diam., atris, glabris, coriaceilis, cras- 

 siusculis, contextu olivaceo, parum distincto, ostioio acutiusculo 

 brevi coronatis; ascis cylindraceis, antico rotundato-subtruucati.s, 

 non vel vix crassiusculo tunicatis, non foveolatis, postice brevissi- 



