Sphseriaceas, Hyalosporse, Cryptosporella. 469 



bosis, cortici interiori haud mutato insculptis, circinantibus, in col- 

 lum breve, tenue abrupte attenuatis; ostiolis exiguis, parum v. vix 

 incrassatis, discura albido-pulverulentum, deinde cinereum vix su- 

 perantibus; spermogoniis depresse conicis, truncatis, papilla per- 

 tusa, unica, in disco centrali v. duabus instructis; sperraatiis cy- 

 lindricis, curvulis, minutissimis, 4 ^i 1 ; sterigraatibus longis, tenuis- 

 simis, subsimplicibus ; ascis octosporis, sessilibus, nunc anguste cla- 

 vatis V. oblongis, nunc cylindricis, 100:^16; sporidiis late ovatis, 

 rarius subcylindricis, rectis, rarius nonnihil curvatis, monostichis 

 V. saBpius pro parte distichis, unicellularibus, hyalinis, 16 ^ 8, raro 

 usque 28 i; 16. 



Hab. in ramis corticatis Fagi sylvaticse in Gallia et Ger- 

 mania. 



10. Cryptosporella sphaBrostoma (Nits.) Sacc. Mich. I, 30, Valsa sphce- isio 

 rostoma Nits. Pyr. Germ. p. 218. — Stromate e basi ovali coni- 

 co-attenuato, depresso, minuto, in pustulas parum elevatas protu- 

 berante, peridermio arcte adh?erente, disculis tantum lanceolatis v. 

 ellipticis pertuso tecto; peritheciis in singulo stromate 3-12, cor- 

 ticis parenchymati immutato insculptis, circinantibus, globosis, col- 



lis brevibus instructis; ostiolorum disculo minutissimo, peridermii 

 rimas angustas, transversira directas, pleruraque nonnihil superan- 

 te, ex albido cinereo v. fuscescente; ostiolis incrassatis, majuscu- 

 lis, globosis, atris, nitidis, in disci margine erumpentibus, poro mi- 

 nutissimo pertusis; spermogoniis stromatibus perithecigeris facie 

 externa simillimis, papilla atra, pertusa, in disco elliptico v. sub- 

 orbiculari, cinerascenti centrali instructis, multilocularibus, locellis 

 radiatim dispositis ; spermatiis cylindricis, nonnihil curvatis, 5-7 

 i: 1 ; sterigraatibus longiusculis, filiforraibus, parce raraosis ; ascis 

 subclavatis, merabrana apicem versus incrassata textis, deorsura 

 longe attenuatis, octosporis, 60-80-10-12; sporidiis subdistichis, 

 ovatis V. cylindraceis, rectis v. nonnihil curvatis, unicellularibus , 

 hyalinis, 16^^5-6, raro 18-24::: 8. 



Hab. in rarais Pruni Padi prope Miinster Gerraaniae, raro. 



11. Cryptosporella leptasca (P. et C.) Sacc. Valsa leptasca P. et C. isii 

 29 Rep. on the St. Mus. — Subpustulata, nigricans; peritheciis 

 rainutis, nuraerosis, in ostiola papillata v. conoidea desinentibus ; 

 ascis elongato-cylindraceis, tenuibus ; sporidiis monostichis, conti- 

 nuis, oblongis v. elliptico-oblongis, plerumque 2-nucIeatis, 7-8 [x. 

 longis, hyalinis. 



Hab. in ramis Rhois typhina^, Buffalo Am. bor. (Clinton). 



