Sphceriacese, Hyalophragmise, Zignoella. 215 



— Peritheciis sparsis, subsuperficialibus, rninutissimis, carbonaceis 

 l /r>~ l /i m ^'- diarn. nemisphaerico-conoideis, papillulatis, nigris; ascis 

 clavato-cylindraceis, basi attenuaiis, 75-80^9-12; paraphysibus fi- 

 liformibus obvailatis, 8-sporis; sporidiis distichis, fusoideis, saepe 

 leniter curvulis, 18.-20 s 4, hyalinis, dein 1-4-septatis, loculis 1- 

 2-guttulatis. 



Hab. in Iigno putrescente Carpini, Uimi, Quercus, Ro- 

 binias, Alni, Aceris iu Britannia, Gallia, Italia. — In cortice 

 duriori Popul.i nigrse, Vittorio. iegi formam sporidiis plerumque 

 crassioribus, nempe 20-25^5-6, 4-5-guttuIatis, tandem obsolete 

 3-4-septatis. — In ligno molli quercino in syiva Montello legi 

 formam peritbeciis dispersis, conico-papillatis, ascis 75-80 s 12-14, 

 sporidiis 22 ^5-6, 4-guttulatis dein 3-septatis. — Verisimiliter tota 

 species Z. Pulviscula ad Z. ovoideam (Fr.) reduconda est, sua- 

 dente quoque ci- Karsten. 



3. ZignoeHa punctiformis Sacc. et Th. Mich. II, 320. — Peritheciis 3628 

 dense gregariis, in cortice interiore relaxato subsuperficiahbus. mi- 

 nutissimis, 100-120 ,u. diam., globulosis, papillatis, nigris, gla* 

 bris sed basi hyphis brevibus continuis paliide fuligineis vestitis; 

 ascis fusoideis breve stipitatis, apice obtusiusculis, 80^17, apara- 

 physatis(?) octosporis; sporidiis distichis oblongo-fusoideis, 18-20 



s 8, utrinque obtusiusculis, initio 4-guttulatis, dein 3-septatis, le- 

 niterque ad sepia constrictis, subhyalinis. 



Ilab. h\ cortice in.teriore Popuii putrescentis, Lyon Galliae 

 (Therry). 



4. Zignoella exigua (C. et P.) Sacc, Sph. (denudatse) exigua C. et Peck 3s?9 

 30 Rep. on the St. Mus. N. Y. — Peritheciis subgregariis, minu- 



tis, 300 ix. d., globuiosis, subinde collabascentibus, glabris, nitidu- 

 lis, nigris, papillatisr ascis clavatis vel cyliudraceis; sporidiis ellip- 

 soideis, initro 2-nueleatis, dein 1-3-septatis, 15-1S^7,5, hyalinis. 

 llab. iii ligno putri dejecto, Richfield Springs Amer. boreali 

 (Clinton). 



5. ZignoeSla cariosa (C. et 15.) Sacc, Sphceria (Denudat;e) cariom 3<S3o 

 C. et E. Grev. VI, 94, t. 100, f. 28. — Peritheciis atris, subglo- 

 bosis, papillatis, opacis, subgregariis, vel sparsis; ascis cylindra- 

 ceo-clavatis ; sporidiis biseriatis, lanceolatis, obtusis, leniter 3-sep- 

 tatis, hyalinis, 20-22^5,5, 



Hab. in iigno putri quercino, New Jersey Amer. boreali 

 (Ellis). 



6. Zlgnoella conica (Fuck.) Sacc, ATelafiomma comca l ; uck. Syrab. ^ 631 



