Sphaeriaeeae imperfecte cognitae. .'-»7] 



ostiolis subunibonatis obtusis griseis prominentibns ; unciaiem dia- 

 metrum s?epe attingit. 



lldb. rarior m lignis corfcice orbatis IBethlehem Amer. bor. — 

 Sph. SHgmati vicina. 

 J5. Sphseria enterexaniha Schw. Syn. Amer. bor. n. 1255. — Kpi- 4t40 

 dermide stellatim fissa cincta, valde elevata, turbinato-difformis, 

 prorumpens pulvinulis subconfluentibus, valde tortis et compressis, 

 extus basin versus nigrescentibus, parte superion intumescento 

 turbinato-fuscescentibus, plicato-rugosis ; ostiolis sparsis raris pun 

 ctiformibus; perifcheciis majusculis obovatis compresso-stipatis, ira- 

 mersis stromate flavo et rubro tincto pulveraceo; cortice proprio 

 peritheciorum aterrimo; gregatim crescit pulvinulis plerumque bi 

 linearibus. 



Hab. ex ramis dejectis Castanearum prorumpens, Bcthle- 

 hem Amer. bor. 



16. Sphceria excavata Sehw. Syn. Amer. bor« n. 1250. — Eliiptico- «m 

 orbiculatata, cortice non stellatim sed quasi rnargine acuio subeie- 

 vato cincta, et cum epidermide protrr.sa; disco excavata concava, 

 nigra, foveolis multis minutis sparsis punctata, in quorurn fundo 

 uidulant ostiola ; ceterum ut Sph. discreta, eortice quodaru proprio 

 nigro pyxidiformi inclusa, ad ipsum lignum penetrans, nec tamcn 

 eadern altitudine, nam vix dimidiam partem excedit, numquam for- 

 mam substipitatam exhibens; cupula pyxidiformis parte inferiori 

 farcta pseudo-stromate lignoso, superiore magis vero stromate; in 

 hac nidulanfc perithecia rariora majuscula pyriformia, in collurn 

 splendens nigrum attenuata, occupantia mediam partem stromatis; 

 nlagnitudine Sph. discretce. 



Rah. rarior in cortice Prunorum, Bethlehem Amer. bor. — 

 Affinis Sph. discreta? sed numquam ex cortice separabilis. 



17. Sphseria consoior Schw. Syn. Amer. bor. n. 1254. — More cre- -m-/ 

 scendi Sph. Siigmati approximatur; multo minor, undulatim effusa. 

 tenuis, y.> lineari crassitie ; superficie quanquam undulata, tamen 

 I.evi, et omuino concolor libro, rufo-brunnea quasi ut tumor i!li 

 innata; interdura cinerascit; seriatim punctata ostiolis rainutis.ni- 

 gris subimpressis ; stromate subpulverulento albescenti ; peritheciis 

 densis nigris ovatis, invicem adpressis, intus nitentibus. 



Bab. in ramis Vaccinii corymbosi sub epidermide, 1'ei.h- 

 lehem Amer. bor. 



18. Spha?ria a'bo pruinosa 8ch\v, Syn. Amer. bor. n. 1238. — Orbi- 4143 

 cularisj primum plana, demura eleYato-convcxa, cortice stellatiui 



