Sphaeriaee<e imperfeete cognitce. 393 



posita, erumpentia, raajuscula, juniora fuscescentia. An ad Sira- 

 plices ableganda? 



110. Sphaena aeinosa Fr. S. M. II, pag. 422 (nec Batsch). — Effu- 42.36 

 sa, interrupte erumpens. atra; peritheciis globosis in crustam sca- 

 brosam irregularem aterrimarn confluentibus, ostiolis latentibus. 



Hab. in cortice crassiore Tiliae in Vogesir (Mougrot). — Pro 

 typo tribus facile haberem. Latissime effusa, sed interrupta, stro- 

 mate innato, sub epidermide latente, fusco-atro, cui primo iraraer- 

 sa perithecia globosa, deiri erumpenti-prominula, confiuentia in val- 

 de difformes plagas, saepius inter se epidermide, stipante discretas ; 

 intus primo albo-farcta, dein nucieus ater, tandernque evacuatus. 



111. Sphaeria exusta Fr. Bl. II, pag. 88. Spli. cc-rrugata Schw. nec 4W7 

 Chev. — Innata, stromate crustaceo effuso atro ab epidermide 

 rupta determinato; peritheciis corneis sparsis sublatentibus. 



Hab. ad cortices emortuos in Araer. bor. (ScnwEijrrrz). — Ma- 

 culam adustam, inter fissuras corticis late hiantes effusara, crusta- 

 ceam, rugosarn, aterriraarn et opacam, ceterum Opegraphcs ma- 

 cularis indoie sistit notabilis hsec species, cujus vero perithecia 

 prorsus evoluta videre non licuit. Facies ceterum quodainraodo 

 Sph. Stigmaiis, at structura diversissima est. 



112. Sphaeria sigrsans Wallr. Fl. crypt. n. 3944. — Peritheciis par- 4238 

 vis sparsis nigris hemisphairicis, poro pertenui pertusis, nucleo al- 

 bido farctis, stromate tenuissimo fusco-grumoso, primum hypo- 

 phloeode, dein summa epidermidis pellicula secedente nudo cinctis, 

 maculas transversas oblongas stygias raentientibus. 



IJab. ad truncos Salicura et Populorum juniores in Ger- 

 mania. 



113. Sphaersa propuiSuIans Schw. Syn. Amer. bor. n. 1447. — Atra; ^m 

 caespitulo in libro corticali affixo, propullulans per epidermidem, ar- 



cte ab ea cincto, satis eievato, forma subrotunda, basi contracta stro- 

 mate parco insidente, subturbinato; peritheciis majusculis atroiar- 

 ctis, prominulis in superficie subdepressa, coronatis ostiolis papil- 

 laribus centralibus; caespitulis superne quasi punctato-rugosis; ce- 

 terum in quoque ramulo multi aggregati sunt ca^spituli. 



Hab. frequeus in corruptissimis surculis Celastri, Bethlehera 

 Amer. bor. 



114. Sphaeria subconnata Schw. Syn. Araer. bor. n. 1443. — Caespi- 4240 

 tose confluens, elliptice prorumpens ex tenera epidermide. vix li- 

 nea longa, aterrima; peritheeiis difformibus paucis, pro ratione ma- 

 jusculis, apice applanatis aut irregulariter subcollapsis, papillaio 



