Pyrfnomycetfe, Sphseriacepe. Phae.nsporfP, Ceratostomft. 489 



300 . diam . ; ostiolis in discum brunneo-nigrum erumpentem 

 conjunctis, subprominentibus, dein 4-fissis; ascis clavatis, 110 « 12, 

 longe stipitatis, polysporis, paraphysatis ; sporidiis confertis, allan- 

 toideis, luteo-hyalinis, curvulis, 6-8 ^ 1 Y^-2. 



Hab. in ramis emortuis Fraxini viridis, Kansas, Amer. bor. 

 (Bartholomew). 

 2. Diatrypella obscurata (Schw.) Ellis Proc. Acad. Pbilad. 1895, 1845 

 p. 27, Sphceiia ohscurala Scbw. in herb. — Stromate subcuticulari, 

 2-6 mm. diam., nigro, extus aspero, intus albido, in li^num pe- 

 netrante, superficiem nigrificante, linea nigra circumscripto ; peri- 

 theciis magnis, Y^ mm., solitariis v. 2-6 consociatis ; ascis clavatis, 

 75-80 ^ 12-15, p. sp. circiter 50 . polysporis; sporidiis irregulariter 

 confertis, in cumulo luteia, solitariis hyalinis, allantoideis, modice 

 curvulis, utrinque nucleo magno prseditis, 5-6 v 1 '/^. 



Hab. in ramis arboris cujusdam, Bethlehem, Pa. Amer. bor. 



Sect. 2. PhsBOspor}». 



CERATOSTOMA (Fr.) Sacc. — Syll. I, p. 215, IX, p. 481, XI, p. 278. 



1. Ceratostoma robusttim Mout. Compt. rend. BuU. Soc. Eoy. Bot. 1346 

 Belg. XXXVI, 1897, 2 part. p. 10, tab. A. fig. 1. — Peritheciis 

 superficialibus, globosis, basi hyphis repentibus fuscis obductis, ce- 

 terura glabris, atris, opacis, Y4 nam. diam., collo rigido, crasso, 400- 

 600 ^ 120, subaequaH, apice retuso ; ascis paraphysatis, teretibus, 80 



V 8, octosporis; sporidiis monostichis, fuscis, reniformibus, pleriim- 

 que biguttatis, 12-15 >f 5-7, aliquando (extra ascos) subtiliter medio 

 septatis. 



Hah. in ligno fagineo adhuc duro pr. Liege Eelgii. 



2. Ceratostoma alho-maculans Ell. et Ev. Proc Acad. Philad. 1895, i847 

 p. 418. — - Peritheciis totis innatis, magnis, 1 mm. diam., mem- 

 branaceo-coriaceis, 1-3-consociatis; ostiolis erumpentibus, maculas 

 albo-luteolas subelUpticas 1-2 mm. diam. formantibus, ovato-conicis, 

 nigris, levibus; ascis cylindraceis, p. sp. 75-80^7, paraphysatis ; 

 sporidiis monostichis, inaequilateraliter ellipticis, obtusis, 1-2-gut- 

 tulatis, olivaceis, 11-14 « 5-6. 



Hah. in ligno putri, Ohio, Amer. bor. (MoaaAN). — C. Avocettce 

 macuHs aibis proximum, sed diifert peritheciis dimidio majoribus 

 et etiam sporidiis majoribus. 



3. Ceratostoma melaspermum Ell. et Ev. Proc. Acad. Philad. 1895, 1948 



