SPH^EIACEI. 917 



throiigli the epidermis ; asci ventricose, attenuated upwards ; 

 sporidia biseriate or crowded, uniseptate, the upper cell subglo- 

 bose, the lower cell twice the length of the upper, slightly yel- 

 lowish. — Cooke Seem. Joiirn. (1866) t. 50, /. 26. Cooke exs. no. 

 173. Cooke. L.F. no. 85. SphcErella cinerascens, Fleisch. Rahh. 

 exs.no. 45 fnot S. cinerascens, Fckl. exs. no. 824). 



On dead leaves of Pyrus aria, ash, hawthorn, pear, apple, &c. 

 Common. 



Sporidia ("0005 in.) "013 m.m. long. 



2759. Sphaerella vaccinii. Cooke. " Bilberry Sphasrella." 



Perithecia minute, innate, black, shining, numerous, crowded 

 together on the under surface in definite cinereous patches, de- 

 termined by the veins of the leaves ; asci subfusiform ; sporidia 

 elongated, narrow, uniseptate, hyaline. — Cooke Seem. Journ. 

 (1866) ^.49,/". 11. Sphcerella myrtilli, Aivd. Gonn. ^' Rahh.Y. t. 

 4, /. 46. Cooke exs. no. 176. 



On semi-putrid leaves of Vacciniummyrtillus. Shere, Surrey. 



Often on the same leaves as Venturia myrtilli. Asci '04 m.m. long. Sporidia 

 (•0007 in.) -013 m.m. long. 



2760. Sphaerella ligustri. Rol?. " Privet Spharella."' 



Epiphyllous, rarely hypophyllous. Perithecia very minute, nu- 

 merous, densely scattered, black, subglobose, then collapsing and 

 umbilicate ; asci clavate ; sporidia oblong, with three or four 

 sporules. — Cooke Seem. Journ. t. 50, /. 22. Spha^ria ligustri, Rob. 

 Desm. exs. ed. l,no. 1296, ed. 2, no. 796. Ann. S.N. (1843) xix. 

 p. 361. Fckl. exs. no. 835. Gonn. ^ Rahh. v. t.l ,f.^l. 



On dead privet leaves. • 



Asci "04 m.m. long. Sporidia ("0003 in.) "01 m.m. long. 



2761. Sphaerella eryngii. Fr. " Sea Holly Sphserella." 



Amphigenous. Perithecia innate, very small, globose, black, 

 crowded together in brownish spots ; asci large, cylindrical, flex- 

 uose; sporidia biseriate, uniseptate, constricted at the sej^tum, 

 attenuated towards each extremity, colourless. — Cooke Seem. 

 Journ. t. 50, /. 21. Fckl. exs. no. 860. Sphceria eryngii, Fr. Duby 

 Bot.u.p. 710. Desm.exs.no. 1300. B. ^.Br.Ann.N.H.no. 657. 



On dead leaves of Eryngium. 



Sporidia ('0008 in.) -02 m.m. long. 



Fackel refers as spermogonia to this species Asteroma reticulata, Chev. 



