280 Discomyceteae, Pezizeae, Hyalosporie, Pezizella. 



Fenniae. — Facillime praetervidenda ob sumraain minutiem (in sic 

 co statu fere invisibilis) ; ab aliis PezizellcB speciebus ascis et spw 

 ridiis pro ratiorie maxirais optime distincta. 



18. Pezizella sordidula (Speg.) Sacc. Helotiuin sordidulum Speg. 

 F. Fueg. n. 336, — Uensiuscule sparsa, turbinato-calyciformis, aiH 

 nutissima, 300-400 a. diam. subpellucida, disco infundibulari, diU 

 tissime alutacea, margiue acutissimo integro v. irregulariter eroso-: 

 denticulato, extus sordide albo non v. vix tenuissime pruinuloso,' 

 sessilis v. pedicello brevissimo ac crassiusculo concolore suffulta; 

 ascis cylindraceo-subclavulatis, sursura leniter attenuatis, apice 

 subtruncato-rotundatis, crassiuscule tunicatis, minute 1-foveolatis. 

 deorsum attenuato-pedicellatis, 45-50 :i 3-3,5, octosporis ; paraphy- 

 sibus parcis, filiformibus, apice non v. vix subclavulatis, obtusis, ob- 

 vallatis ; sporidiis oblique monostichis, elliptico-cylindraceis, utrin- 

 que obtusiuscule rotundatis 4-4,5 «1,5, rectis v. insequilateralibus, 

 hyalinis, continuis. 



Hab. ad corticem fagineum putrescentem peridermio denuda- 

 tum in silvis prope Port Cook in Staten island Fuegiae. — lodi 

 ope tunica ascorum dilute, obturaculus intensius coerulescuut. Pro- 

 pe Ushuvaia specimiua nonnulla notis externis perfecte cura typoj 

 congruentia, internis autora nonnihil recedentia (ascis j45«3; pa«i 

 raphysibus apice non clavulatis, sporidiis minoribus 2,5-3,2 ^* 1,5 u.)| 

 legiit; cl. Spegazzini an, ex ipso, species distincta? 



19. Pezizella soleniiformis (B. et C.) Sacc Pez. soleniifonnis B. e|l 

 C. North Am. Fung. n. 749. — Minuta, candida, primum herai-' 

 spha^rica, margine tumido, dein cylindrica, demum ore expansf 

 flexuoso. 



Ilab. in ligno putri Alabama Amer. bor. (Peters). 



20. Pezizelia lactea (Cooke) Sacc. Heloiium lacteum Cookc Grev. 6< 

 Vlll, p. G3. — Sparsa, lactea, sessilis; cupulis concavis, 2-3 rnra, 

 lat., margine flexuoso; ascis cylindraceis; sporidiis uniseriatis, lan- 

 ceolatis, nucleatis, 20-30^4-0; paraphysibus filiformibus. 



Hah. in ligno valde putrido, Maungaroa NovcTQ Zelandiae. — 

 Diaphana, sicca subochracea. 



21. Pezizella albella (With.) Sacc Peziza albclla With. Arr. vol. ei 

 IV, pag. 350, sec Fr. Pcz. vulgaris Fr. Syst. Myc. II, pag. 146. 

 Pczizella Avellancv (Lasch) Fuck. Symb. p. 299, Peziza Avella- 

 ncv Lasch in F. E. n. 28, Hclotium albellum (With.) Karst. M. 

 F. I, pag. IIG, — Conferta, subcaispitosa, raembranacea. sessilis. 

 concaviuscula, albida v, albido-pallens, 1 inm, lat.; ascis cylindra 



