106 
Didymosphaeria Kunzei Nies. — Myc. univ. no. 762. 
D. amphigena; peritheciis sparsis, 200—240 mm. diam,, tectis, 
globosis, atris, coriaceo-membranaceis, ostiolo papillaeforıni ; 
ascis clavatis, stipite brevi, 80—120 mm. long., 16—20 mm, crass.; 
sporis 8, plerumque mono-distichis, ovoideo-oblongis, inaequali- 
lateralibus, obovatisve, utrinque obtusis, medio septatis velde 
constrictisque (parte superiore plus minus inflato), hyalinis, 
2—4 guttulatis; paraphyses pauces, simplices. 
Saxonia boruss.: Eisleben ad Carieis acutse Lin. folia va- 
ginaque arida. Julio 1875. leg. Dr. Winter, 
Venturia orbicula Cooke et Peck in XXV. Rep. of New-York 
State Museum p. 105. — Myc. univ. no. 855. 
V. hypophylla; peritheciis minutis, globosis, superficialibus, 
nigris, ad maculas orbiculares aggregatis, cum setis nigris, his- 
pidis; ascis brevibus, subelavatis; sporidiis confertis, uniseptatis, 
0:0004 unc. long., cellulis ingequalibus. 
America septentr.: Albany — New-York — ad folie arida 
Quercus montanae Willd. Vere 1876, leg. Ch. H. Peck. 
Lepiosphaeria Tritici Pass. = Pleospora Tritiei Garovagl. — 
Myc. univ. no. 859, 
Diatrypella discoidea Cooke et Peck. — Mye. univ. no. 864. 
D. stromate suborbiculare vel elliptico, transverse erum- 
pente, peridermio rupto arete eincto, vertice nudato, e griseo 
nigricante; ostiolis parvis, vix exsertis, quadrisulcatis vel fere 
laevibus; peritheciis 6—12, ovatis; aseis parvis, anguste clavatis, 
longissime pedicellatis, polysporis; sporis eylindrieis, rectis cur- 
visve, 0'0002 unc. long.; paraphysibus filiformibus, 
America septentr.: Albany —. New-York — in cortice 
emortua Betulae populifoliae Ait. Majo 1877. 
leg. Ch. H. Peck., 
Diaporthe Raveneliana Thüm. et Rehm. — Myc. univ. no. ‚865. 
D. stromate tenui, subeffuso; peritheciis gregariis, medis, 
primo tectis demum epidermide perforantibus einefisve, orbi- 
culato vel elliptico prominentibus, in stromate nidulantibus, 
globosis, ostiolis subpappillatis, nucleo sordido-albescente; ascis 
fusiformibus vel longe elliptieis, tenerrimis, subeurvatis, utrinque 
acutatis, basi angustatis, hyalinis, octisporis, 60 mm. long. 8-9 
mm. crass.; sporis distichis, plerumque bicellularibus, ad septas 
non constrietis, cellulis aequalibus, longe ellipsoideis, utrinque 
obtusis, quadrinucleatis, nucleis parvulis, hpalinis, 12 mm. long., 
4 mm. crass,; paraphysibus numerosissimis, brevibus, flexuosis, 
septatis, apice obtusis, simplicibus, hyalinis. 
