V 



iO(> SplncriaceiB, Diefcyosporas, Tcichospora. 



deis, oblnsis. multiseptato-clathratis, 75-150^20-25, flavidis v. pal- 

 lide brunneis- 



flab. in ligno decorticato Betula;, Forestburgh Amer. bor. 

 (Peck). — Perithecia perfecte evoluta videntur occupare centrum 

 disci minuti orbicularis, (fut, opinor, in forma lignicola luleUue 

 Bnxi ». 



ISOTHEA Fr. Summ. Veg. Scand, pag. 421 em. (Etym. isos, aequalis 

 et thea aspectus). — Perithecia pseudostromate phyllogeno, ma- 

 culiformi tecta. Asci oblongi. Sporidia clathrato-septata (hyalina?). 

 Genus Hypospike analogum inter dictyosporas ; mihi iguotum. 



1. Isothea Nyssae B. et C, North Am. Fungi n. 984. — Nitida in ^ih 

 macula bruunea .(pseudostromate) vix latiore-immersa ; ascis Ob- 

 longis; sporidiis breviter fusiformibus, demum fenostrafcis, latifcu- 

 dine sua fere triplo longioribus. 



TTah. m foliis Nyssse aquaticaj in Amer. boreali. 



TEICHOSPORA Fuck. Symb, rayc. p. 100. (Etym. teiehos, murus et 

 spora) Stricheria Korb. Par. p. 100, sec. Relim, sed ibi character 

 essentialis sporidiorum muriformium non habetur. — Perithocia 

 spavsa vol gregaria, superneialia vel basi immersa, sphseroidea ve! 

 ovoidca, osfiolo papiilari vel inconspicuo, coriacea vel carbonauen 

 atra, glabra, subincfe (in subg. Strickeria) collapso-concaviuscula. 

 Asci cylindracei ve! ciavati, fcypice. 8 -spori. Sporidia ellipsoidea vel 

 oblongata, raurali-divisa, fusca, vel subflava, rarius (in subg. Tci* 

 chosporella) hyalina. Paraphyses graciles aut parum notabiies. 

 Fungi minuti, ligni- vel corticobe. 



I. Eu-Teichospora: peritheciis non collabentibus; sporidiis coloratis. 



1. Telchospora taphrina (Fr.) Fuck. Svmb. rayc. App. I, pag. 305. 

 Sphmria taphrina Fr. Syst. myc. II, p. 465. — Sparsa, atra; pt> 

 ritheciis imrnersis, dein emergentibus subcompresso-elliptiois obtu- 

 sis, ostiolo simplici demnm pertusis; ascis cylindraceis, substipita- 

 tis, 8-sporis, 88-12 (p. sporif.): sporidiis oblique raonostichis, ovu- 

 tis vel oblongo-ovat : s, quandoque curvatis, utrinque obtusis, pl?- 

 runque irregulariter 3-septatis muriformibusque, ad septa paruos 

 constrictis, fuscis, 11^ 7-10; paraphysibus filiforraibus, muUiguU 

 tulatis, copiesis. — Status couidiophorus (Stegonospormm iapltri- 

 num Sace.): sporodochiis in macula albescenti, ramulos decor- 

 ticatos saepe totos occupanii. gregariis, ex ligno immersis, ellipti- 



