Splueriacese imperfecte cognita. • 375 



»tellatirn epidermide cinctis; peritlieciis minutis globosis in stro- 

 mate satis crasso aterrirno, sed noa ad basin immersis; pulvinulis 

 \*/ 2 lin. longis et latis. 



Hab. frequens in ramis junioribus Mori alba? Bethlehem 

 Amer. bor. 

 32. Spnsria annulans Schw. Syn. Amer. bor. n. 1270. — Subpustu- 4157 

 lata, annulatim confluens circum circa ramulum decorticatum, ra- 

 rius solitaria; pulvinulus quisque formam induit subconico-truuca- 

 tam, ceterum lanciformis, concrescens cum fibris ligni, iisque lon- 

 gitudinaliter subtectus ; in timncatura prominent ostiola, crebra, 

 crassa, brevia macrostomata; peritheciis in stromate aibo, collis 

 brevibus in ostiola abientibus; lignum saspe circum circa crusta 

 quadam nigra induit ; invenitur etiair. interdum longitudinaliter con- 

 fiuens, nec annulatim et saepe vestita in superficie pube fuscescen- 

 te; ligna nigra in ligno circumscripta. 



Hab. rarior in ramulis decorticatis v.-r.riis lignis mollioribus, 

 annulatim ramulum cingens, Salera et Bethlehera Araer. bor. 



32. Sphaeria Verrueella Fr. S. M. II, 367. — Minima, epiderraide stel- 415? 

 latim rupta tecta. extus intusque atra; peritheciis paucis iramersis 

 intus albis. 



Hab. in cortice Alni incanae, Petropoli (Weismamn). — Mi- 

 nima in hac tribu ; nudo oculo tantummodo observantur rhnre tran.s- 

 versales v. stellatae, rainimae, quae obtegunt perithecia 2-3 perexi- 

 gua, ftiligineo-nigricantia, confluentia, fere absque substantia pro- 

 pria, osiiolis uullis distinctis; catervatim e cortice erumpens, dif 

 formis, tuberculosa, majuscula, opaca, atra; stroma pulveraceum, 

 fuliginosum; perithecia pauca, ampla. evacuata intus alba; ostiola 

 omnino latent. 



Trib. 5. Concreseentes Fr. 



Effusse, indeterrninatae, connata?. haud circumscripta?, innato-erum- 

 pentes. 



33. Sphaeria systoma Fr. Elench. 11,75. — Effusa, teeta; peritheciis 4 j 39 

 stromati corticali fuscescenti immersis confertis, ostiolis fascicu- 

 latim erumpentibus. 



Hab. ad cortices arborum circa Petropoiim (Wrikmawn). — 

 A reliquis hujus tribus mox recedit, ostiolis plurimis, ceterum vix 

 convergentibus, conjuuctis in tuborcula pcr epidermidem rimosam 

 aut angulatim fissam erumprmtia. quihus obvallatas refert sed pe- 



