792 Discomyceteae, Patellariese, Phragraosporae, Durella. 



p. 373, Pragmopora macrospora Bagl. et Carest. in Comm. crit- 

 tog. ital. II, p. 84 (1864), Peziza macrospora Nyl. Obs. pag. 66, 

 Karst. Monogr. Pez. p. 168, Patel/aria msirsi.M. F. I, p. 235, nec 

 Durella raacrospora Fuck. — Subsparsa, proininula, plana, raar- 

 ginata, margine insequali (in juvenilibus occludente vel contracto), 

 crassulo, atra, 0,5 mra. lat. ; ascis oblongatis vel saccatis, 90-135 

 ::; 18-34, 4-8-sporis; sporidiis incoloribus (vel subincoloribus aot 

 vetustate dilute nigrescentibus) ellipsoideo-oblongatis vel oblonga- 

 tis, 5-septatis, 32-36:^10-15; paraphysibus mediocribus, adsper- 

 sis (non semper bene discretis). 



Hab. ad corticem Populi, in Fennia et Italia. — Ascomata sepe 

 macula mycelica alba insidentia; sed haec macula vaga nullura cha- 

 racterem thallinum ofifert. Ascomata circiter 0,25 mm. alt. Discus 

 nigricans, (thalamii pars proxime subjacens nonnihil coerulescens), 

 hypoihecium tenue, nigricans. Sporidia vetustate leviter nigrescunt; 

 sed vegeta incoloria conspiciuntur. 



7. Durella melanochlora (Somm.) Rehm Ascom, Alp. n. 27, Pez. 7ne- 

 lanochlora (Somra.) Karst. M. F. I, p. 233, Peziza oculinpora Karst. 

 Monogr. Pez. p. 167, P. suboenulata Nyl. Obs. p. 64, Paiella- 

 ria ovulispora Karst. Symb. p. 251, Peziza melanochlora Somrn. 

 Suppl. p. 297. — Conferta vel gregaria, sessilis, superficialis, coO' 

 caviuscula vel planiuscula, margine elevato crenulato vel rugulo- 

 so, virescens, sicca nigra vel nigricaus discoque humectato palle- 

 scenti-sordido, 0,2-0,4 mm. !at.; ascis clavatis, obtusis, 60-90 s 

 8-12, 8-sporis; sporidiis distichis, ovoideis vel suboblongatis, ple- 

 rumque spurie 3-septatis, incoloribus, 6-16 =; 4-6; paraphysibus fi- 

 liformibus, gracilibus. 



Hab. supra lignum vetustum Pini, Betulae (et Alni?) in 

 Lapponia et Fennia. — In ligno canescente betulino obvenit prope 

 Mustiala varietas hujus, sporidiis minoribus, 6-10^:2, siraplicibuij|", 

 cupulisque olivaceo-pallidis, siccis uigricantibus, margine subinte-' 

 gro, rninoribus. — *D. glacialis Rehm Ascom. Alp. n. 27: mini- 

 ma, solitaria vel gregaria, nigra, margine fere integro, vix per- 

 spicuo cincta, fusca parenchymatico-contexta ; ascis clavatis, 8-.spo- 

 ris, 36-9; sporidiis oblongis, 1-4-cellularibus, hyalinis, distichis, 

 10-12=; 3; paraphysibus filiforraibus, clava viridula, 4-5 a. cr. in- 

 structis. Ad ramulos siccos R h o d o d e n d r i f e r r u g i n e i in alpibus 

 tyrolensibus prope Kiihtai (Ootz) et juxta Taschach-Gletscher in 

 vaih3 Piz, c. 2000 m. alt. (Dr. Rehm). — "D. amplior Sacc. Micli. 

 II p. 013, F. it. n. 1218; ascomatibus majusculis, 1-1,3 mni. hit. 



