Sphseriacese, AUaatosporae, Eutypella. 155 



ta; peritheciis globoso-ovoideis erectis circinantibus stromate cor- 

 ticali nigro tectis, ostiolis in disco miDuto pulveruleato approxi- 

 matis subtetragoais ; ascis cjliadraceo-clavatis, 100 =: 10, sporidiis 

 linearibus, curvulis, 10 u.. long. 



Hab. in cortice Anagyridis fsetidse, Alger (Durieu). 



27. Eutypella microspora (C. et E.) Sacc. Valsa microspora Cooke 589 

 et Pl. in Grev. VII. 82 (nec Crouan). — Disco erumpente orbicu- 

 lari, furfuraceo, brunneo, ostiolis circinantibus sulcatis punctula- 



to; peritheciis 12-20; ascis subclavatis 30-40 fx. long. ; sporidiis 

 minutissimis, hyalinis, allantoideis, circ. 5 u.. loag- 



Hab. in ramis Betulse ia Britannia (Plowright). — Asci et 

 sporidia e minoribus geaeris. 



28. Eutypella Myricae (C. et C.) Sacc. Valsa Myricce C. et E. New 590 

 Jersey Fuagi, in Grev. VII. p. 8. — Peritheciis globosis, linea ni- 

 gra varia circumscriptis, ostiolis cyliiidricis, in disco plano atro 

 subjunctis; ascis cylindrico-clavatis ; sporidiis minutis, allantoideis, 

 10-12 p.. longis. 



Hab. in ramis Myricae in Amer. bor., New Jersey — Habi- 

 tus potius Diairypes. 



29. Eutypeila monticulosa (B. et C.) Sacc. Valsa monticulosa B. et 59i 

 C, Cooke Valsei of Ua. St. 112. — Peritheciis valseis, collis ab- 

 breviatis, ostiolis sulcatis; ascis octosporis; sporidiis allaatoideis 

 8-10 ^. long. 



Hab. in ramis Magaolise glaucae, Carol. Am. bor. (Curtis). 



30. Eutypella Platani (Schw.) Sacc V. Platani (Schw.) Cooke Vals. 592 

 U. S. 113. Sph. (circumscript.) Platani Schw. Sya. Am. bor. n. 1372. 



— Pustulata in plagas maximas aggregata sub epidermide, sed pu- 

 stulis singulis multo miaoribus quam ia prioribus, non revera con- 

 fluentibus; arcte tecta epidermide circum ostiola stellatim fissa ; 

 ostiolis sulcatis ia fuscescenti disco, primum punctiformibus, demum 

 subprominulis, tum disco obliterato; stromate albescente multo 

 crassiori quam in prioribus et interdum in disco prorumpente; pe- 

 ritheciis aterrimis splendentibus per stroma quidem assurgentibus 

 sed subtus in ipso cortice, absque stromate aidulantibus, vix ni- 

 gro-circumscriptis ; ascis octosporis ; sporidiis allantoideis 10-12 2; 

 3, subhyalinis. 



Hab. frequentissima erumpens ex epidermide Platani , Bethle- 

 hem (Americse borealis). 



31. Eutypella tumidula (C. et P.) Sacc. Valsa tumidula C. et Peck. 593 

 in New. York Museura Rep. Cooke Valsei of Un. St. 113. — Erum- 



