918 SPH^RTACEI. 



2762. Sphaerellarusci. Be. Not. '< Butcher's Broom 



tSphasrella." 



Perithecia very numerous, scattered, pnnctiform, glaucous or 

 bluish-black, rendering the leaf pale, at first covered with the epi- 

 dermis; asci linear- clavate; sporidiabiseriate, oblong, obtuse, 4-5 

 septate, constricted at the septa, yellowish. — De Not. Schema j). 

 63. Erh. Critt. Ital. no. 886. Sferiacei Italtci pi. 95. Sphceria 

 Rusci, Wallr. Fl. Germ. ji. 776. B. ^ Br. Ann. N.H. no. 639*. 

 Fckl.exs. no. 838. Berk. exs. no. 86. Curr. Linn. Trans. xxii.^Z. 

 lix./*. 120. Spha?ria atrovirens, S- Rusci, Eng.Fl. v. p. 272. 

 Desm. exs. no. 1281. Cryptosplia^ria glauco -punctata, Grev. FL 

 Ed. p. 362. Sphceria glauco-punctata, Curr. Linn. Trans. x.yi.\\. pi. 

 \ix.Jig. 144. Cooke Seem. Journ. (1866) t. 50,/. 20. Cooke exs. no. 

 166. 



On dead Ruscus aculeatus. Common. 



Sporidia (-OOOe-'OOlO in.) •015-'025 m.m, long. 



2763. Sphaerella isaariphora. De Not. *' Stellar ia Sphgerella." 



CoNiDiA.— ^Tufts lax, on pallid spots, at length black; stem 

 erect ; conidia apical, ovate. — Stysanus pusillus, Fckl. exs. no. 174. 

 Sym. Myc. t. \.f. 29. 



^VY.'R^iOGOi^iA=Septoria stellarice. West. 



Epiphyllous ; perithecia very small, globose, depressed, scat- 

 tered, black, often concealed beneath the epidermis ; ostiola 

 poriform ; asci elongated, containing the oval or oblong spori- 

 dia, which are almost colourless, uniseriate, and uniseptate. — 

 Schema di Class. Sfer. Ital. j). 63. Cooke Seem. Journ. 1866, t. 

 ^^,f. 11. Cooke exs. no. 167. Sphceria isariphora, Desm. Mem. 

 Soc. Roy. de Lille, 1843 ; exs. no. 1291 ; West. Bull, de Brux. 

 1850, no. 21. 



On dead leaves of Stellaria holostea. Common. 



M. Desmazieres observes that this species often supports a minute para- 

 sitic Isaria, whence its name. I have never been able to find such a para- 

 site, although I have sought for it diligently. M. Westendorp makes a 

 similar observation of want of success in verifying the fact. 



2764. Sphaerella Iieightoni. Be7'k. "Leighton's 



Sphffirella." 



Epiphyllous ; perithecia subglobose, pitch-brown ; ostiola coni- 

 cal ; asci clavate ; sporidia oblong, cymbiform, triseptate. — Cooke 

 Seem. Journ. 1866, t. 50,/. 25. Sphceria Leightoni, B. ^ Br. Ann. 

 N.H.no.6b9, t.xii.Jig. AS. 



