780 



SPH^RTACEl. 



2343. Ooxnyces-carneo-albus. B. ^ Br. "Flesh-coloured 



Oomyces. " 



Scattered, shining, pale flesli-coloured, conical, truncate above 

 and marked with the ostiola; perithecia 3-7, vertical, closely 

 packed in the common, tough, receptacle ; asci elongated, cylin- 

 drical ; sporidia filiform, extremely long, flexuous. — B. ^ Br^ 

 Ann. N.II. no. 590. Sphceria carneo-alha, Lib. exs. no. 241. 



On leaves of Aira ccespifosa. Spye Park. 



About frds of a line high, resembling an Acrosperrmim, though differing 

 in structure, and might easily be mistaken for the eggs of some insect. The 

 ■tructure is not visible until a section be made, except so far as the peri- 

 thecia are indicated by the Httle dimples in the truncate apex. — B. <i;Br. 



(Fig. 373.; 



Gen. 338. 



NECTRXA, Fr. 



Stroma definite ; perithecia free, 

 clustered or scattered, coloured (some- 

 times blackish), fleshy or horny ; asci 

 eight or many spored ; sporidia of 

 two kinds. — Tul. Carp. in. p. 65. 



{Fig. 374.) 



Fig. 374. 



I. C^SPITOS^. 



2344. 



Nectirla pulicaris. Tul. " Blackish Nectria." 



CoNiDiA. — Hemispherical, rather firm, rose-coloured; stroma 

 convex ; conidia fusiform, nearly straight, pallid. — Fusarium ro- 

 seum, Fr S.M. iii. p. 471. Eng. Fl. v. p. 355. Fckl. exs. no. 208- 

 211. Cooke exs. no. 344. 



AscoPHORE. — Caespitose, irregular ; stroma formed from the 

 bark ; perithecia crowded, superficial, opaque, purple, at length 

 collapsing ; sporidia biseriate, colourless, elliptical or pyriform, 

 triseptate or tripartite. — Tul. Carp. iii. p. 68, t. xiii./. 5-9. Gib- 

 ber a pulicar is, Fr. S.M. ii. p. 417. Curr. Linn. Trans, xxii. t. 49, 

 f. 180. Fckl. exs. no. 1^^. Fckl. Sym.Myc. p.1^1. Berk, exs.no. 

 253. 



