SPH^EIACEI. 919 



On dead leaves of Linncea horealis. Glen Dole, Clova. 



Minute, scattered over the upper surface of the leaves, pitchy brown, shin- 

 ing, narrowed into a short conical ostiolum. Asci clavate, sublanceolate. 

 Sporidia oblong-cymbiform, about four times as long as broad, obtuse, 

 scarcely curved. Endochrome at first retracted to either end ; a septum is 

 then formed between the two masses, which are at length again divided. 



2765. Sphaerella pteridis. Desm. " Bracken Sphcerella." 



Epiphyllous ; spots greyisli or none; perithecia minute, glo- 

 bose, scattered or aggregate, covered with the epidermis ; asci 

 clavate; sporidia elongated-fusiform, straight or curved, uni- 

 septate, hyaline. — Cooke Seem. Journ. t. 50,/. 32. Cooke exs. no. 

 175. SphcEria pteridis, Desm. exs. no. 1295 (not Schm. exs. no. 2, 

 which is Dothiclea). B. <^ Br. Ann. N.H. no. 666. Sphceria litura, 

 Berk. MSS. Sphceria punctiformis, h. Pteridis, Fries exs. 720.86 

 (not Sphcpvella pteridis, De Not. Sfer. Ital. tab. 99). 



On dead fronds of Pteris aquilina. 



Sporidia ("0005 in.) "015 m.m. long. 



2766. Sphserella erysiphina. Bei-k. " Hop-leaf Sphgerella." 



Epiphyllous; perithecia scattered, minute, almost superficial, 

 brown; asci cylindrical; sporidia imiseriate, hyaline, uniseptate. 

 Cooke tSeem. Journ. t. 50,/. 24. Sphceria erysipihina, B. §- Br. Journ. 

 Ilort. Soc. \x. p. 67. 



On living hop leaves. 



Accompanying and mixed with Spkcerotheca Castagnei. 

 Sporidia ('0005 in.) '0125 m.m. long. 



2767. Sphaerella microspila. B. ^ Br. *' Willow herb 



Sphwrella." 



Perithecia scattered, globose, one or more immersed in a 

 minute brown spot arising from the delicate mycelium ; asci 

 cylindrical ; sporidia oblongo-elliptic, uniseptate.- — Cooke Seem. 

 Journ. t. 50,/ 23. Sphceria microspila, B. ^- Br. Ann. N.H.no. 

 984, M7./. 36. 



On leaves of Efilohium montanum. Orton Wood. 



Sporidia (•0002--000o in.) •005.-0127 m.m. long. 



2768. Sphaerella bzassicsecola. De Not. " Cabbage 



Sphaerella." 



Spermogonia. — Perithecia circinating, crowded, in suborbicular 

 pallid spots ; spermatia hyaline, minute. — Asteroma brassicce, 

 Chev. Fl. Par. I, p. 449. Berk. Ann. K.H. no. 204. 



