912 



SPH^EIACEI. 



Gen. 357. SFH^RELLA, De Not. 



Perithecia membranaceous, immersed 

 or semi-immersed, scarcely pajDillate ; 

 sporidia elliptical or oblong, two or 

 more celled, rarely simple, hyaline, pale 

 or colourless. — De Not. Schema, p. 62. 

 Sphceina (jFoliicolceJ, Fr. (in part), Cooke 



— 'f^\'^-- Brit. Fungi, edit. 2, p. 159. 



~"^~-^^^^' (Fig.Sd7.) 



Fig. 397. 



2742. Sphserella xnaculseforznis. " Patchy Sphasrella." 



Spermogoxia. — Spots minute, rounded, whitish with a brown 

 margin ; peiithecia 1-3, yery minute, innato-prominent, black, 

 pierced ; spermatia elongated, very slender, curved. — Sej)toria 

 quercina, Desm. Ann. Sc. Nat. 1847, viii. 25. FcJd. exs. no. 433. 



AscoPHORE. — Perithecia innate, but slightly prominent, puncti- 

 form, globose, black, crowded together into an unequal spot (or 

 scattered) ; asci small, cylindrical ; sporidia uniseriate or bi- 

 seriate, uniseptate, the lower cell narrower than the upper. — 

 CooJce Seem.Journ. 1866, t. 49,/. 7. FcM. exs.no. 817, 1781, 1782, 

 1783. Sphceiia maculceformis, Pers. Syn.p. 90. Fr. Sys. Myc. ii. 

 ;?. 524. Berh.Eng.Fl.Y. p.2,p.21d>. Outl. p. 401. Sow. t. 370, 

 /. 7. Berk. exs. no. 338. Cooke exs. no. 170. Cooke L.F. no. 83. 

 Johnst. Fl. Berw. ii. ^. 129. 



On fallen leaves. Common. 



var. Q. aequalis. Perithecia casspitose ; sporidia having 

 both cells nearly globose and equal. [United States.] 



Sporidia ('0003 in.) '0075 m.m. long. 



2743. Sphaeiella sparsa. A7vd. *' Scattered Spharella." 



Hypophyllous. Perithecia black, innate, more or less densely 

 scattered, or somewhat gregarious, globose ; asci cylindrical ; 

 sporidia biseriate or uniseriate, obovate-oblong, uniseptate, upper 

 cell broadest, constricted, hyaline. — Awd. Gonn. ^' Rahh. \.p. 4, 

 t. 2,/. 27,22. Sphceria sparsa, Wallr. p. 772. Sphceriacorylaria, 



