Sphseriacese, Allantosporse, Diatrypella. 207 



quadrisulcatis ; ascis fusoideis, longissime pedicellatis, 80-120 ii 10- 

 12 p. sporif. ; sporidiis valde curvatis, dilute fuscescentibus, 8-12 

 ii2-3; paraphysibus parce articulatis, gracilibus. — Stromata co- 

 nidifera obtuse conica, sulcata, perithecigeris haud raro superpo- 

 sita, conidiis auratis, innumeris, filiformi-cylindricis, tenuissirais, 

 maxime curvatis obruta. 



Hab. in ramis corticatis Quercus in tota Europa et Araer. 

 boreali. 



18. Diatrypella opaca Cooke Fungi of Texas 143. — Erumpens, sub- 7^0 

 orbicularis, atro-brunnea ; ostiolis depressis, sulcatis, vix distinctis ; 

 ascis clavatis, longe stipitatis; sporidiis leniter curvulis, numero- 

 sissimis, subluteolis. 



Hab. in ramis Ilicis opacae, Texas, Florida, Amer. bor. — 

 Nonnullis notis cum D. quercina convenit, sed minor, nitidior, etc. 



19. Diatrypella discoidea Cooke et Peck. 28 Rep. on St. Mus., Myc. 76i 

 univ. n. 864. — Stromate suborbiculari vel elliptico, transverse erum- 

 pente, peridermio rupto arcte cincto, vertice nudato, e griseo nigri- 

 cante ; ostiolis parvis, vix exsertis, quadrisulcatis vel fere Isevibus ; 

 peritheciis 6-12, ovatis; ascis parvis, anguste clavatis, longissime 

 pedicellatis, polysporis; sporidiis cylindricis, rectis curvisve; para- 

 physibus filiformibus. 



Hab. in Amer. septentr., Albany, New-York, in cortice emor- 

 tuo Betulae populifolia^, Majo (Ch. H. Peck.). — AfRnis D. 

 quercince. Adest forma stromate rainuto, angusto, aliaque stromate 

 latiore et suborbiculari. — Var. Alni Rav. Fung. Amer. n. 188. 

 In ramis Alni serrulata?, iu Carolina infer. 



20. Diatrypella olivacea C. et E. New Jersey Fungi in Grevill. VI. 762 

 p. 9. — Erumpens, convexa, primum olivacea, demum atra; peri- 

 theciis magnis, paucis; ostiolis obtusis; ascis clavatis, subsessili- 

 bus; sporidiis numerosis, flavis, liaearibus, obtusis, leniter curvu- 



lis 10-12 [x. long. 



Hab. in ramis Nyssse, New Jersey, Amer. bor. — Habitus 

 D. quercince sed initio olivacea, dein atra, levior. 



21. Diatrypella irregularis C. et E. New Jersey Fungi in Grev. VI. 763 

 p. 92. — Erumpens, angulata, convexa, nigrescens, intus subcon- 

 color, ostiolis prominulis, sulcatis ; ascis clavatis, longe stipitatis ; 

 sporidiis numerosissimis, allantoideis, flaveolis, 8 y.. longis. 



Hab. in ramis P y r i c m m u n i s , New Jersey, Araer. bor. — 

 Affinis D. quercince sed stromata raagis angulosa ostiolaque mi- 

 nus distincta. 



